diff --git a/coderules/languages/jetbrains.mps.lang.coderules/jetbrains.mps.lang.coderules.mpl b/coderules/languages/jetbrains.mps.lang.coderules/jetbrains.mps.lang.coderules.mpl
index 03cc10ca..251653de 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/jetbrains.mps.lang.coderules.mpl
+++ b/coderules/languages/jetbrains.mps.lang.coderules/jetbrains.mps.lang.coderules.mpl
@@ -77,7 +77,6 @@
         <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
         <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
         <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
@@ -145,7 +144,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:90746344-04fd-4286-97d5-b46ae6a81709:jetbrains.mps.lang.migration" version="2" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
@@ -190,7 +188,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="528ff3b9-5fc4-40dd-931f-c6ce3650640e(jetbrains.mps.lang.migration.runtime)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
diff --git a/coderules/languages/jetbrains.mps.lang.coderules/runtime/jetbrains.mps.lang.coderules.runtime.msd b/coderules/languages/jetbrains.mps.lang.coderules/runtime/jetbrains.mps.lang.coderules.runtime.msd
index c198c27a..70214064 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/runtime/jetbrains.mps.lang.coderules.runtime.msd
+++ b/coderules/languages/jetbrains.mps.lang.coderules/runtime/jetbrains.mps.lang.coderules.runtime.msd
@@ -46,7 +46,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
diff --git a/coderules/languages/jetbrains.mps.lang.controlflow/jetbrains.mps.lang.controlflow.mpl b/coderules/languages/jetbrains.mps.lang.controlflow/jetbrains.mps.lang.controlflow.mpl
index 91d58aac..58585467 100644
--- a/coderules/languages/jetbrains.mps.lang.controlflow/jetbrains.mps.lang.controlflow.mpl
+++ b/coderules/languages/jetbrains.mps.lang.controlflow/jetbrains.mps.lang.controlflow.mpl
@@ -80,7 +80,6 @@
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
         <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
         <module reference="3ac18869-0828-4401-abad-822a47bf83f1(jetbrains.mps.lang.descriptor#9020561928507175817)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="86ef8290-12bb-4ca7-947f-093788f263a9(jetbrains.mps.lang.project)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
@@ -136,7 +135,6 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
     <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:28f9e497-3b42-4291-aeba-0a1039153ab1:jetbrains.mps.lang.plugin" version="5" />
@@ -144,7 +142,6 @@
     <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="2" />
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
-    <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
     <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
@@ -170,7 +167,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/languages/jetbrains.mps.lang.typechecking/jetbrains.mps.lang.typechecking.mpl b/coderules/languages/jetbrains.mps.lang.typechecking/jetbrains.mps.lang.typechecking.mpl
index 8bd9cf80..10a36c61 100644
--- a/coderules/languages/jetbrains.mps.lang.typechecking/jetbrains.mps.lang.typechecking.mpl
+++ b/coderules/languages/jetbrains.mps.lang.typechecking/jetbrains.mps.lang.typechecking.mpl
@@ -85,7 +85,6 @@
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
         <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
         <module reference="3ac18869-0828-4401-abad-822a47bf83f1(jetbrains.mps.lang.descriptor#9020561928507175817)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="86ef8290-12bb-4ca7-947f-093788f263a9(jetbrains.mps.lang.project)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
@@ -143,7 +142,6 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
     <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:28f9e497-3b42-4291-aeba-0a1039153ab1:jetbrains.mps.lang.plugin" version="5" />
@@ -151,7 +149,6 @@
     <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="2" />
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
-    <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
     <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
@@ -176,7 +173,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl b/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
index cc46c355..ae52e1cb 100644
--- a/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
+++ b/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
@@ -63,7 +63,6 @@
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
         <module reference="85f64970-3326-4ea7-966e-1ac904686424(jetbrains.mps.logic#6626732309150416985)" version="0" />
@@ -130,7 +129,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:90746344-04fd-4286-97d5-b46ae6a81709:jetbrains.mps.lang.migration" version="2" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
@@ -163,7 +161,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="528ff3b9-5fc4-40dd-931f-c6ce3650640e(jetbrains.mps.lang.migration.runtime)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
diff --git a/coderules/languages/jetbrains.mps.logic/runtime/jetbrains.mps.logic.runtime.msd b/coderules/languages/jetbrains.mps.logic/runtime/jetbrains.mps.logic.runtime.msd
index 3f5cac26..d2659d50 100644
--- a/coderules/languages/jetbrains.mps.logic/runtime/jetbrains.mps.logic.runtime.msd
+++ b/coderules/languages/jetbrains.mps.logic/runtime/jetbrains.mps.logic.runtime.msd
@@ -44,7 +44,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="9a4afe51-f114-4595-b5df-048ce3c596be(jetbrains.mps.runtime)" version="0" />
diff --git a/coderules/languages/jetbrains.mps.typechecking.annotation/jetbrains.mps.typechecking.annotation.mpl b/coderules/languages/jetbrains.mps.typechecking.annotation/jetbrains.mps.typechecking.annotation.mpl
index b0ff5577..6b7a0f39 100644
--- a/coderules/languages/jetbrains.mps.typechecking.annotation/jetbrains.mps.typechecking.annotation.mpl
+++ b/coderules/languages/jetbrains.mps.typechecking.annotation/jetbrains.mps.typechecking.annotation.mpl
@@ -41,14 +41,12 @@
     <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
     <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
     <language slang="l:982eb8df-2c96-4bd7-9963-11712ea622e5:jetbrains.mps.lang.resources" version="2" />
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
-    <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
     <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
@@ -72,7 +70,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
     <module reference="18bc6592-03a6-4e29-a83a-7ff23bde13ba(jetbrains.mps.lang.editor)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/languages/jetbrains.mps.typechecking.testlang/jetbrains.mps.typechecking.testlang.mpl b/coderules/languages/jetbrains.mps.typechecking.testlang/jetbrains.mps.typechecking.testlang.mpl
index 54c13708..405e9955 100644
--- a/coderules/languages/jetbrains.mps.typechecking.testlang/jetbrains.mps.typechecking.testlang.mpl
+++ b/coderules/languages/jetbrains.mps.typechecking.testlang/jetbrains.mps.typechecking.testlang.mpl
@@ -48,7 +48,6 @@
         <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
         <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="3a1f0f04-b5e0-43be-884e-b856bfdeca21(jetbrains.mps.typechecking.testlang)" version="0" />
         <module reference="1f130d77-1d29-44cb-bef3-bde05978c2c7(jetbrains.mps.typechecking.testlang#3575255234175341581)" version="0" />
       </dependencyVersions>
@@ -92,7 +91,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -125,7 +123,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd b/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
index 6847c45e..e3cb4d66 100644
--- a/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.runtime/jetbrains.mps.coderules.runtime.msd
@@ -29,7 +29,6 @@
     <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
     <module reference="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
   </dependencyVersions>
 </solution>
 
diff --git a/coderules/solutions/jetbrains.mps.coderules.test/jetbrains.mps.coderules.test.msd b/coderules/solutions/jetbrains.mps.coderules.test/jetbrains.mps.coderules.test.msd
index 9f316e09..95b38f8b 100644
--- a/coderules/solutions/jetbrains.mps.coderules.test/jetbrains.mps.coderules.test.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.test/jetbrains.mps.coderules.test.msd
@@ -66,7 +66,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="8585453e-6bfb-4d80-98de-b16074f1d86c(jetbrains.mps.lang.test)" version="0" />
     <module reference="707c4fde-f79a-44b5-b3d7-b5cef8844ccf(jetbrains.mps.lang.test.runtime)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.testhelper/jetbrains.mps.coderules.testhelper.msd b/coderules/solutions/jetbrains.mps.coderules.testhelper/jetbrains.mps.coderules.testhelper.msd
index 54490af7..56068517 100644
--- a/coderules/solutions/jetbrains.mps.coderules.testhelper/jetbrains.mps.coderules.testhelper.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.testhelper/jetbrains.mps.coderules.testhelper.msd
@@ -64,7 +64,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
index c06aa3b0..1c94b649 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.test/jetbrains.mps.coderules.typechecking.test.msd
@@ -38,7 +38,6 @@
     <language slang="l:443f4c36-fcf5-4eb6-9500-8d06ed259e3e:jetbrains.mps.baseLanguage.classifiers" version="0" />
     <language slang="l:fd392034-7849-419d-9071-12563d152375:jetbrains.mps.baseLanguage.closures" version="0" />
     <language slang="l:83888646-71ce-4f1c-9c53-c54016f6ad4f:jetbrains.mps.baseLanguage.collections" version="1" />
-    <language slang="l:f2801650-65d5-424e-bb1b-463a8781b786:jetbrains.mps.baseLanguage.javadoc" version="2" />
     <language slang="l:760a0a8c-eabb-4521-8bfd-65db761a9ba3:jetbrains.mps.baseLanguage.logging" version="0" />
     <language slang="l:a247e09e-2435-45ba-b8d2-07e93feba96a:jetbrains.mps.baseLanguage.tuples" version="0" />
     <language slang="l:f61473f9-130f-42f6-b98d-6c438812c2f6:jetbrains.mps.baseLanguage.unitTest" version="1" />
@@ -84,7 +83,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking.ui/jetbrains.mps.coderules.typechecking.ui.msd b/coderules/solutions/jetbrains.mps.coderules.typechecking.ui/jetbrains.mps.coderules.typechecking.ui.msd
index 0c4a6f0e..5e50c6c0 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking.ui/jetbrains.mps.coderules.typechecking.ui.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking.ui/jetbrains.mps.coderules.typechecking.ui.msd
@@ -65,7 +65,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.typechecking/jetbrains.mps.coderules.typechecking.msd b/coderules/solutions/jetbrains.mps.coderules.typechecking/jetbrains.mps.coderules.typechecking.msd
index a19215b8..0cd415bc 100644
--- a/coderules/solutions/jetbrains.mps.coderules.typechecking/jetbrains.mps.coderules.typechecking.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.typechecking/jetbrains.mps.coderules.typechecking.msd
@@ -72,7 +72,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/coderules/solutions/jetbrains.mps.coderules.ui/jetbrains.mps.coderules.ui.msd b/coderules/solutions/jetbrains.mps.coderules.ui/jetbrains.mps.coderules.ui.msd
index 4dd68a2d..eb08128a 100644
--- a/coderules/solutions/jetbrains.mps.coderules.ui/jetbrains.mps.coderules.ui.msd
+++ b/coderules/solutions/jetbrains.mps.coderules.ui/jetbrains.mps.coderules.ui.msd
@@ -52,7 +52,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.coderules/jetbrains.mps.coderules.msd b/coderules/solutions/jetbrains.mps.coderules/jetbrains.mps.coderules.msd
index d177235f..54d1fcb9 100644
--- a/coderules/solutions/jetbrains.mps.coderules/jetbrains.mps.coderules.msd
+++ b/coderules/solutions/jetbrains.mps.coderules/jetbrains.mps.coderules.msd
@@ -62,7 +62,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.controlflow.ui/jetbrains.mps.controlflow.ui.msd b/coderules/solutions/jetbrains.mps.controlflow.ui/jetbrains.mps.controlflow.ui.msd
index a73361d6..23bd4a60 100644
--- a/coderules/solutions/jetbrains.mps.controlflow.ui/jetbrains.mps.controlflow.ui.msd
+++ b/coderules/solutions/jetbrains.mps.controlflow.ui/jetbrains.mps.controlflow.ui.msd
@@ -56,7 +56,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ffcd9ef5-e931-4da9-a8d1-eb9bf80d19b4(jetbrains.mps.lang.controlflow.runtime)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="a1250a4d-c090-42c3-ad7c-d298a3357dd4(jetbrains.mps.make.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.controlflow/jetbrains.mps.controlflow.msd b/coderules/solutions/jetbrains.mps.controlflow/jetbrains.mps.controlflow.msd
index 805304fb..72fc0c7f 100644
--- a/coderules/solutions/jetbrains.mps.controlflow/jetbrains.mps.controlflow.msd
+++ b/coderules/solutions/jetbrains.mps.controlflow/jetbrains.mps.controlflow.msd
@@ -38,7 +38,6 @@
     <module reference="517911e5-605f-4310-831b-10d44e0f5237(jetbrains.mps.controlflow)" version="0" />
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.lang.coderules.template/jetbrains.mps.lang.coderules.template.msd b/coderules/solutions/jetbrains.mps.lang.coderules.template/jetbrains.mps.lang.coderules.template.msd
index 86800da6..74238a94 100644
--- a/coderules/solutions/jetbrains.mps.lang.coderules.template/jetbrains.mps.lang.coderules.template.msd
+++ b/coderules/solutions/jetbrains.mps.lang.coderules.template/jetbrains.mps.lang.coderules.template.msd
@@ -43,7 +43,6 @@
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
     <module reference="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="9a4afe51-f114-4595-b5df-048ce3c596be(jetbrains.mps.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.lang.controlflow.runtime/jetbrains.mps.lang.controlflow.runtime.msd b/coderules/solutions/jetbrains.mps.lang.controlflow.runtime/jetbrains.mps.lang.controlflow.runtime.msd
index dd7b7885..7d1e52f7 100644
--- a/coderules/solutions/jetbrains.mps.lang.controlflow.runtime/jetbrains.mps.lang.controlflow.runtime.msd
+++ b/coderules/solutions/jetbrains.mps.lang.controlflow.runtime/jetbrains.mps.lang.controlflow.runtime.msd
@@ -34,7 +34,6 @@
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ffcd9ef5-e931-4da9-a8d1-eb9bf80d19b4(jetbrains.mps.lang.controlflow.runtime)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.lang.typechecking.runtime/jetbrains.mps.lang.typechecking.runtime.msd b/coderules/solutions/jetbrains.mps.lang.typechecking.runtime/jetbrains.mps.lang.typechecking.runtime.msd
index 9bc51c10..700068ca 100644
--- a/coderules/solutions/jetbrains.mps.lang.typechecking.runtime/jetbrains.mps.lang.typechecking.runtime.msd
+++ b/coderules/solutions/jetbrains.mps.lang.typechecking.runtime/jetbrains.mps.lang.typechecking.runtime.msd
@@ -31,7 +31,6 @@
     <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/coderules/solutions/jetbrains.mps.logic.reactor/jetbrains.mps.logic.reactor.msd b/coderules/solutions/jetbrains.mps.logic.reactor/jetbrains.mps.logic.reactor.msd
index 6b0ed95b..105fed74 100644
--- a/coderules/solutions/jetbrains.mps.logic.reactor/jetbrains.mps.logic.reactor.msd
+++ b/coderules/solutions/jetbrains.mps.logic.reactor/jetbrains.mps.logic.reactor.msd
@@ -34,7 +34,6 @@
     <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
     <module reference="498d89d2-c2e9-11e2-ad49-6cf049e62fe5(MPS.IDEA)" version="0" />
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
   </dependencyVersions>
 </solution>
diff --git a/coderules/solutions/jetbrains.mps.logic.test/jetbrains.mps.logic.test.msd b/coderules/solutions/jetbrains.mps.logic.test/jetbrains.mps.logic.test.msd
index 51c92362..f1288f6c 100644
--- a/coderules/solutions/jetbrains.mps.logic.test/jetbrains.mps.logic.test.msd
+++ b/coderules/solutions/jetbrains.mps.logic.test/jetbrains.mps.logic.test.msd
@@ -45,7 +45,6 @@
     <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
     <module reference="b189d6c6-9397-4d64-88af-1ac73760a4f5(jetbrains.mps.logic.test)" version="0" />
diff --git a/samples/controlflow/jetbrains.mps.baseLanguageExt2/jetbrains.mps.baseLanguageExt2.mpl b/samples/controlflow/jetbrains.mps.baseLanguageExt2/jetbrains.mps.baseLanguageExt2.mpl
index a5f2178b..92f8bc2e 100644
--- a/samples/controlflow/jetbrains.mps.baseLanguageExt2/jetbrains.mps.baseLanguageExt2.mpl
+++ b/samples/controlflow/jetbrains.mps.baseLanguageExt2/jetbrains.mps.baseLanguageExt2.mpl
@@ -50,7 +50,6 @@
         <module reference="ab8c0ef6-2ef2-4c24-a396-becda37b156c(jetbrains.mps.baseLanguageExt2)" version="0" />
         <module reference="b3783cf1-952f-4d80-99c7-df82c8c15899(jetbrains.mps.baseLanguageExt2.generator)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
       </dependencyVersions>
       <mapping-priorities />
     </generator>
@@ -113,7 +112,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl b/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl
index 9489bf33..b7dac006 100644
--- a/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl
@@ -48,7 +48,6 @@
         <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
         <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="06b7c5c7-e359-4f4b-a581-5d0c9323af39(samples.fitch)" version="1" />
         <module reference="ddb01c98-e78e-4c79-b11a-aeba193668d4(samples.fitch.firstOrderLogic)" version="0" />
         <module reference="467b3222-f5a8-48be-9fe1-6c009ed73049(samples.fitch.firstOrderLogic#4035326440039985569)" version="0" />
@@ -94,7 +93,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -132,7 +130,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl b/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl
index 3f71fbbe..f9985e27 100644
--- a/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl
@@ -48,7 +48,6 @@
         <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
         <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="06b7c5c7-e359-4f4b-a581-5d0c9323af39(samples.fitch)" version="1" />
         <module reference="748b3ba1-2791-4ee8-b985-a5598baa7112(samples.fitch.herbrandLogic)" version="0" />
         <module reference="8efed383-9c82-409e-81c8-4bd2a012c164(samples.fitch.herbrandLogic#3059457401298723545)" version="0" />
@@ -95,7 +94,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -134,7 +132,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl b/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl
index 730102db..499ab232 100644
--- a/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl
@@ -48,7 +48,6 @@
         <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
         <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="06b7c5c7-e359-4f4b-a581-5d0c9323af39(samples.fitch)" version="1" />
         <module reference="ec79e64d-4cbb-4f6c-b7b7-108dd125aba6(samples.fitch.propositionalLogic)" version="0" />
         <module reference="53b8ab24-cc4a-4fe2-b461-11a91d798670(samples.fitch.propositionalLogic#5505606474790531941)" version="0" />
@@ -93,7 +92,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -132,7 +130,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/fitch/languages/samples.fitch/samples.fitch.mpl b/samples/fitch/languages/samples.fitch/samples.fitch.mpl
index 7ce395dd..b02a65dd 100644
--- a/samples/fitch/languages/samples.fitch/samples.fitch.mpl
+++ b/samples/fitch/languages/samples.fitch/samples.fitch.mpl
@@ -48,7 +48,6 @@
         <module reference="6ed54515-acc8-4d1e-a16c-9fd6cfe951ea(MPS.Core)" version="0" />
         <module reference="8865b7a8-5271-43d3-884c-6fd1d9cfdd34(MPS.OpenAPI)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="06b7c5c7-e359-4f4b-a581-5d0c9323af39(samples.fitch)" version="1" />
         <module reference="65b2d9d2-5a92-4dd0-abf5-f3a1bd399bec(samples.fitch#4322786184247805322)" version="0" />
       </dependencyVersions>
@@ -94,7 +93,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:90746344-04fd-4286-97d5-b46ae6a81709:jetbrains.mps.lang.migration" version="2" />
     <language slang="l:9882f4ad-1955-46fe-8269-94189e5dbbf2:jetbrains.mps.lang.migration.util" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
@@ -107,7 +105,6 @@
     <language slang="l:0eddeefa-c2d6-4437-bc2c-de50fd4ce470:jetbrains.mps.lang.script" version="1" />
     <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
     <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
-    <language slang="l:1a8554c4-eb84-43ba-8c34-6f0d90c6e75a:jetbrains.mps.lang.smodel.query" version="3" />
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
     <language slang="l:b83431fe-5c8f-40bc-8a36-65e25f4dd253:jetbrains.mps.lang.textGen" version="1" />
@@ -135,7 +132,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/fitch/solutions/samples.fitch.demo/samples.fitch.demo.msd b/samples/fitch/solutions/samples.fitch.demo/samples.fitch.demo.msd
index 108ce9e6..3ca187d9 100644
--- a/samples/fitch/solutions/samples.fitch.demo/samples.fitch.demo.msd
+++ b/samples/fitch/solutions/samples.fitch.demo/samples.fitch.demo.msd
@@ -46,7 +46,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl b/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
index fa7436cb..f6d2225c 100644
--- a/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
+++ b/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
@@ -55,7 +55,6 @@
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
     <language slang="l:d7706f63-9be2-479c-a3da-ae92af1e64d5:jetbrains.mps.lang.generator.generationContext" version="2" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -89,7 +88,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/lambdacalc/solutions/samples.lambdacalc.demo/samples.lambdacalc.demo.msd b/samples/lambdacalc/solutions/samples.lambdacalc.demo/samples.lambdacalc.demo.msd
index edd128e4..5ebbe7d6 100644
--- a/samples/lambdacalc/solutions/samples.lambdacalc.demo/samples.lambdacalc.demo.msd
+++ b/samples/lambdacalc/solutions/samples.lambdacalc.demo/samples.lambdacalc.demo.msd
@@ -48,7 +48,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl
index 2943e711..f1e328c5 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/jetbrains.mps.baseLanguage.blTypesExt.mpl
@@ -51,7 +51,6 @@
         <module reference="a43bf4aa-fe3f-45e1-94ea-7af1070e5b83(jetbrains.mps.baseLanguage.blTypesExt)" version="0" />
         <module reference="31b0f8ff-ca62-4b12-8f30-d88d351a9c52(jetbrains.mps.baseLanguage.blTypesExt#01)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
       </dependencyVersions>
       <mapping-priorities />
     </generator>
@@ -103,7 +102,6 @@
     <module reference="a43bf4aa-fe3f-45e1-94ea-7af1070e5b83(jetbrains.mps.baseLanguage.blTypesExt)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
   </dependencyVersions>
   <extendedLanguages>
     <extendedLanguage>ed6d7656-532c-4bc2-81d1-af945aeb8280(jetbrains.mps.baseLanguage.blTypes)</extendedLanguage>
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl
index 0435fd98..dcfbe0ce 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/jetbrains.mps.baseLanguage.closuresExt.mpl
@@ -59,7 +59,6 @@
         <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
         <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
@@ -125,7 +124,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl
index 0c367b3f..da965c9f 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/jetbrains.mps.baseLanguage.collectionsExt.mpl
@@ -120,14 +120,9 @@
     <module reference="88dcbb14-19c3-4776-8f81-33611ca4d87c(jetbrains.mps.baseLanguage.sequence)" version="0" />
     <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
-    <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
-    <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
-    <module reference="c72da2b9-7cce-4447-8389-f407dc1158b7(jetbrains.mps.lang.structure)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
-    <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
   </dependencyVersions>
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl
index e9b67949..c575b705 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/jetbrains.mps.baseLanguage.function.mpl
@@ -55,7 +55,6 @@
         <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
         <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
@@ -116,7 +115,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl
index 6b7994ee..0b46d855 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/jetbrains.mps.baseLanguage.javadocExt.mpl
@@ -55,7 +55,6 @@
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
     <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
-    <language slang="l:4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462:jetbrains.mps.lang.typechecking" version="0" />
     <language slang="l:7a5dda62-9140-4668-ab76-d5ed1746f2b2:jetbrains.mps.lang.typesystem" version="5" />
     <language slang="l:35320f26-77cb-4c55-be9f-a97a27770af1:jetbrains.mps.logic" version="13" />
   </languageVersions>
@@ -71,8 +70,6 @@
     <module reference="f2801650-65d5-424e-bb1b-463a8781b786(jetbrains.mps.baseLanguage.javadoc)" version="0" />
     <module reference="42d031fd-ccb3-45db-91ef-f9621eb0549e(jetbrains.mps.baseLanguage.javadocExt)" version="0" />
     <module reference="e39e4a59-8cb6-498e-860e-8fa8361c0d90(jetbrains.mps.baseLanguage.scopes)" version="0" />
-    <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
-    <module reference="517911e5-605f-4310-831b-10d44e0f5237(jetbrains.mps.controlflow)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="c4803b19-6d89-4a3b-bf82-390769514add(jetbrains.mps.lang.coderules)" version="0" />
@@ -81,7 +78,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl
index 737db8ff..b8b718ce 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/jetbrains.mps.baseLanguage.sequence.mpl
@@ -55,7 +55,6 @@
         <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
         <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
@@ -121,7 +120,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl
index a289da79..b6303f3d 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/jetbrains.mps.baseLanguage.tuplesExt.mpl
@@ -57,7 +57,6 @@
         <module reference="0fda14cc-a416-4c81-869a-2175d8b3325d(jetbrains.mps.baseLanguageExt)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
         <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
@@ -122,7 +121,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl
index 6e46202f..a7b0facd 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl
@@ -43,11 +43,9 @@
     <language slang="l:134c38d4-e3af-4d9e-b069-1c7df0a4005d:jetbrains.mps.lang.constraints.rules.skeleton" version="0" />
     <language slang="l:3ad5badc-1d9c-461c-b7b1-fa2fcd0a0ae7:jetbrains.mps.lang.context" version="0" />
     <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" version="0" />
-    <language slang="l:2e120f68-abfb-4980-bb1c-bc70159b1f95:jetbrains.mps.lang.controlflow" version="0" />
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:f4ad079d-bc71-4ffb-9600-9328705cf998:jetbrains.mps.lang.descriptor" version="0" />
     <language slang="l:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="14" />
-    <language slang="l:ad93155d-79b2-4759-b10c-55123e763903:jetbrains.mps.lang.messages" version="0" />
     <language slang="l:446c26eb-2b7b-4bf0-9b35-f83fa582753e:jetbrains.mps.lang.modelapi" version="0" />
     <language slang="l:d4615e3b-d671-4ba9-af01-2b78369b0ba7:jetbrains.mps.lang.pattern" version="2" />
     <language slang="l:3a13115c-633c-4c5c-bbcc-75c4219e9555:jetbrains.mps.lang.quotation" version="5" />
@@ -55,12 +53,10 @@
     <language slang="l:b3551702-269c-4f05-ba61-58060cef4292:jetbrains.mps.lang.rulesAndMessages" version="0" />
     <language slang="l:d8f591ec-4d86-4af2-9f92-a9e93c803ffa:jetbrains.mps.lang.scopes" version="0" />
     <language slang="l:0eddeefa-c2d6-4437-bc2c-de50fd4ce470:jetbrains.mps.lang.script" version="1" />
-    <language slang="l:13744753-c81f-424a-9c1b-cf8943bf4e86:jetbrains.mps.lang.sharedConcepts" version="0" />
     <language slang="l:7866978e-a0f0-4cc7-81bc-4d213d9375e1:jetbrains.mps.lang.smodel" version="18" />
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
     <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
-    <language slang="l:4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462:jetbrains.mps.lang.typechecking" version="0" />
     <language slang="l:7a5dda62-9140-4668-ab76-d5ed1746f2b2:jetbrains.mps.lang.typesystem" version="5" />
     <language slang="l:35320f26-77cb-4c55-be9f-a97a27770af1:jetbrains.mps.logic" version="13" />
   </languageVersions>
@@ -80,7 +76,6 @@
     <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
     <module reference="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" version="0" />
     <module reference="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" version="0" />
-    <module reference="517911e5-605f-4310-831b-10d44e0f5237(jetbrains.mps.controlflow)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="c4803b19-6d89-4a3b-bf82-390769514add(jetbrains.mps.lang.coderules)" version="0" />
@@ -89,7 +84,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl
index a394b775..d7e90d7a 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl
@@ -56,7 +56,6 @@
         <module reference="4058311d-5be8-432b-8b76-9c0f6558b8b5(jetbrains.mps.baseLanguageInternalExt#01)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
         <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
@@ -115,7 +114,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/jetbrains.mps.lang.coderulesExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/jetbrains.mps.lang.coderulesExt.mpl
index 7020f186..6663fa9c 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/jetbrains.mps.lang.coderulesExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/jetbrains.mps.lang.coderulesExt.mpl
@@ -65,7 +65,6 @@
         <module reference="3d598314-84de-4985-8c2f-ce6664af759f(jetbrains.mps.lang.coderulesExt#01)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
         <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
         <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
@@ -121,7 +120,6 @@
     <language slang="l:c72da2b9-7cce-4447-8389-f407dc1158b7:jetbrains.mps.lang.structure" version="9" />
     <language slang="l:c7fb639f-be78-4307-89b0-b5959c3fa8c8:jetbrains.mps.lang.text" version="0" />
     <language slang="l:9ded098b-ad6a-4657-bfd9-48636cfe8bc3:jetbrains.mps.lang.traceable" version="0" />
-    <language slang="l:4b5b4f8d-d30a-4ef8-9bf4-dfd26af9d462:jetbrains.mps.lang.typechecking" version="0" />
     <language slang="l:7a5dda62-9140-4668-ab76-d5ed1746f2b2:jetbrains.mps.lang.typesystem" version="5" />
     <language slang="l:35320f26-77cb-4c55-be9f-a97a27770af1:jetbrains.mps.logic" version="13" />
   </languageVersions>
@@ -143,7 +141,6 @@
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl
index ea4c4a7e..00062aaa 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/jetbrains.mps.lang.constraintsExt.mpl
@@ -60,7 +60,6 @@
         <module reference="585629d4-6ae6-4b06-948b-da2f7bfd9250(jetbrains.mps.lang.constraintsExt)" version="0" />
         <module reference="169d2221-3b4b-4779-ab69-5f32e51d11b9(jetbrains.mps.lang.constraintsExt#01)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="528ff3b9-5fc4-40dd-931f-c6ce3650640e(jetbrains.mps.lang.migration.runtime)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
         <module reference="c72da2b9-7cce-4447-8389-f407dc1158b7(jetbrains.mps.lang.structure)" version="0" />
@@ -131,7 +130,6 @@
     <module reference="585629d4-6ae6-4b06-948b-da2f7bfd9250(jetbrains.mps.lang.constraintsExt)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="528ff3b9-5fc4-40dd-931f-c6ce3650640e(jetbrains.mps.lang.migration.runtime)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl
index 341ecb7c..686282d1 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/jetbrains.mps.lang.generator.generationContextExt.mpl
@@ -57,7 +57,6 @@
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="b401a680-8325-4110-8fd3-84331ff25bef(jetbrains.mps.lang.generator)" version="0" />
         <module reference="d7706f63-9be2-479c-a3da-ae92af1e64d5(jetbrains.mps.lang.generator.generationContext)" version="0" />
         <module reference="5aff1ad8-d60e-49e5-a795-244ca7b4b701(jetbrains.mps.lang.generator.generationContextExt)" version="0" />
@@ -127,7 +126,6 @@
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="b401a680-8325-4110-8fd3-84331ff25bef(jetbrains.mps.lang.generator)" version="0" />
     <module reference="d7706f63-9be2-479c-a3da-ae92af1e64d5(jetbrains.mps.lang.generator.generationContext)" version="0" />
     <module reference="5aff1ad8-d60e-49e5-a795-244ca7b4b701(jetbrains.mps.lang.generator.generationContextExt)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl
index f1b99a32..455729f7 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/jetbrains.mps.lang.generatorExt.mpl
@@ -57,7 +57,6 @@
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="b401a680-8325-4110-8fd3-84331ff25bef(jetbrains.mps.lang.generator)" version="0" />
         <module reference="41615dcc-e029-4d25-b7d4-f1e30a69110a(jetbrains.mps.lang.generatorExt)" version="0" />
         <module reference="6b6037b6-867b-43f5-b48e-1c1b8e75f6da(jetbrains.mps.lang.generatorExt#01)" version="0" />
@@ -129,7 +128,6 @@
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="b401a680-8325-4110-8fd3-84331ff25bef(jetbrains.mps.lang.generator)" version="0" />
     <module reference="41615dcc-e029-4d25-b7d4-f1e30a69110a(jetbrains.mps.lang.generatorExt)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl
index de64b12b..1b57f158 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/jetbrains.mps.lang.quotationExt.mpl
@@ -57,7 +57,6 @@
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="3a13115c-633c-4c5c-bbcc-75c4219e9555(jetbrains.mps.lang.quotation)" version="0" />
         <module reference="92b6e23c-5bc0-40ce-ad68-6222c2664122(jetbrains.mps.lang.quotationExt)" version="0" />
         <module reference="13a29af7-cc9b-4878-93b7-2fd8fa179c47(jetbrains.mps.lang.quotationExt#01)" version="0" />
@@ -133,7 +132,6 @@
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="3a13115c-633c-4c5c-bbcc-75c4219e9555(jetbrains.mps.lang.quotation)" version="0" />
     <module reference="92b6e23c-5bc0-40ce-ad68-6222c2664122(jetbrains.mps.lang.quotationExt)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl
index 5d5f7ac9..456c23ba 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.mpl
@@ -59,7 +59,6 @@
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
         <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
@@ -146,7 +145,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="86ef8290-12bb-4ca7-947f-093788f263a9(jetbrains.mps.lang.project)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl
index 14fce5e7..bf06a935 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/jetbrains.mps.lang.typesystemExt.mpl
@@ -59,7 +59,6 @@
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
         <module reference="d936855b-48da-4812-a8a0-2bfddd633ac4(jetbrains.mps.lang.behavior.runtime)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
         <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
         <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
@@ -138,7 +137,6 @@
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d4615e3b-d671-4ba9-af01-2b78369b0ba7(jetbrains.mps.lang.pattern)" version="0" />
     <module reference="3a13115c-633c-4c5c-bbcc-75c4219e9555(jetbrains.mps.lang.quotation)" version="0" />
diff --git a/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl b/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl
index d24e25d5..1d56121d 100644
--- a/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl
@@ -52,7 +52,6 @@
         <module reference="e39e4a59-8cb6-498e-860e-8fa8361c0d90(jetbrains.mps.baseLanguage.scopes)" version="0" />
         <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
         <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-        <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
         <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
         <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
         <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
@@ -117,7 +116,6 @@
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="a9e4c532-c5f5-4bb7-99ef-42abb73bbb70(jetbrains.mps.lang.descriptor.aspects)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="35320f26-77cb-4c55-be9f-a97a27770af1(jetbrains.mps.logic)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd
index 1c94cfb2..048db504 100644
--- a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd
+++ b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.closuresExt.test/jetbrains.mps.baseLanguage.closuresExt.test.msd
@@ -62,7 +62,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd
index 8473fbc5..940b5d03 100644
--- a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd
+++ b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.collectionsExt.test/jetbrains.mps.baseLanguage.collectionsExt.test.msd
@@ -63,12 +63,10 @@
     <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
     <module reference="02473356-2f59-4de1-ba87-e88f9d606180(jetbrains.mps.coderules.testhelper)" version="0" />
     <module reference="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" version="0" />
-    <module reference="c9670c16-a215-41fb-8784-04b14329799d(jetbrains.mps.coderules.typechecking.test)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd
index b2676110..bf77515e 100644
--- a/samples/mpscore/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd
+++ b/samples/mpscore/solutions/jetbrains.mps.baseLanguage.tuplesExt.test/jetbrains.mps.baseLanguage.tuplesExt.test.msd
@@ -55,7 +55,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="9ded098b-ad6a-4657-bfd9-48636cfe8bc3(jetbrains.mps.lang.traceable)" version="0" />
     <module reference="f486b8aa-5b2d-4ec0-8ef5-8f45d773fb84(jetbrains.mps.lang.typechecking.runtime)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
diff --git a/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd b/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd
index 237ca9db..ac67f1b7 100644
--- a/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd
+++ b/samples/mpscore/solutions/jetbrains.mps.baseLanguageExt.test/jetbrains.mps.baseLanguageExt.test.msd
@@ -72,13 +72,11 @@
     <module reference="f113d56b-63e3-4120-a89c-2f5dcb8c6290(jetbrains.mps.coderules.runtime)" version="0" />
     <module reference="02473356-2f59-4de1-ba87-e88f9d606180(jetbrains.mps.coderules.testhelper)" version="0" />
     <module reference="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" version="0" />
-    <module reference="c9670c16-a215-41fb-8784-04b14329799d(jetbrains.mps.coderules.typechecking.test)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
@@ -88,7 +86,6 @@
     <module reference="7a5dda62-9140-4668-ab76-d5ed1746f2b2(jetbrains.mps.lang.typesystem)" version="0" />
     <module reference="bbf5c548-7111-4a53-a117-cdefc664cf34(jetbrains.mps.logic.reactor)" version="0" />
     <module reference="a5478664-6b44-4c62-a9f7-434f8aa57eee(jetbrains.mps.logic.runtime)" version="0" />
-    <module reference="b189d6c6-9397-4d64-88af-1ac73760a4f5(jetbrains.mps.logic.test)" version="0" />
     <module reference="da80355b-a098-4248-9ec8-70d10dd7e9af(jetbrains.mps.reporting.runtime)" version="0" />
     <module reference="3ddddf69-9ff0-426b-9365-51ae7356fb82(typechecking.samples.baseLanguage)" version="0" />
   </dependencyVersions>
diff --git a/samples/mpscore/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd b/samples/mpscore/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd
index 613a9eda..39d8c989 100644
--- a/samples/mpscore/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd
+++ b/samples/mpscore/solutions/jetbrains.mps.lang.smodelExt/jetbrains.mps.lang.smodelExt.test.msd
@@ -63,7 +63,6 @@
     <module reference="26e8f4ce-2a35-4f44-8065-e5ba154b18e9(jetbrains.mps.lang.coderules.runtime)" version="0" />
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />
diff --git a/samples/mpscore/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd b/samples/mpscore/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd
index d94dc8ae..951552d6 100644
--- a/samples/mpscore/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd
+++ b/samples/mpscore/solutions/typechecking.samples.baseLanguage/typechecking.samples.baseLanguage.msd
@@ -58,7 +58,6 @@
     <module reference="e44e7802-2e40-482b-9b1c-6d42660a6a11(jetbrains.mps.baseLanguageExt.test)" version="0" />
     <module reference="f97d84b2-8bad-4fdd-8ede-da17b3eacf4c(jetbrains.mps.coderules)" version="0" />
     <module reference="6998f568-f0e9-473b-b4a8-9efb6499fc8d(jetbrains.mps.coderules.typechecking)" version="0" />
-    <module reference="c9670c16-a215-41fb-8784-04b14329799d(jetbrains.mps.coderules.typechecking.test)" version="0" />
     <module reference="2d3c70e9-aab2-4870-8d8d-6036800e4103(jetbrains.mps.kernel)" version="0" />
     <module reference="d936855b-48da-4812-a8a0-2bfddd633ac5(jetbrains.mps.lang.behavior.api)" version="0" />
     <module reference="c4803b19-6d89-4a3b-bf82-390769514add(jetbrains.mps.lang.coderules)" version="0" />
@@ -66,7 +65,6 @@
     <module reference="ff6372a2-2f45-4ec3-952b-02581666015f(jetbrains.mps.lang.coderules.template)" version="0" />
     <module reference="ceab5195-25ea-4f22-9b92-103b95ca8c0c(jetbrains.mps.lang.core)" version="0" />
     <module reference="f4ad079d-bc71-4ffb-9600-9328705cf998(jetbrains.mps.lang.descriptor)" version="0" />
-    <module reference="9e98f4e2-decf-4e97-bf80-9109e8b759aa(jetbrains.mps.lang.feedback.context)" version="0" />
     <module reference="446c26eb-2b7b-4bf0-9b35-f83fa582753e(jetbrains.mps.lang.modelapi)" version="0" />
     <module reference="d7eb0a2a-bd50-4576-beae-e4a89db35f20(jetbrains.mps.lang.scopes.runtime)" version="0" />
     <module reference="7866978e-a0f0-4cc7-81bc-4d213d9375e1(jetbrains.mps.lang.smodel)" version="1" />