diff --git a/.mps/migration.xml b/.mps/migration.xml
index e3b70f5e..e5a56131 100644
--- a/.mps/migration.xml
+++ b/.mps/migration.xml
@@ -23,6 +23,7 @@
     <entry key="jetbrains.mps.ide.mpsmigration.v_2023_1.DataFlowStubsToRegularNodes" value="executed" />
     <entry key="jetbrains.mps.ide.mpsmigration.v_2023_1.JavaModuleSettingsToFacet" value="executed" />
     <entry key="jetbrains.mps.ide.mpsmigration.v_2023_3.CleanStubForeignMethodIds" value="executed" />
+    <entry key="jetbrains.mps.ide.mpsmigration.v_2024_3.LangResourceImport4Migration" value="executed" />
     <entry key="jetbrains.mps.javaVersionMigration_JDKDefault" value="executed" />
     <entry key="jetbrains.mps.mps33.resaveModules" value="executed" />
     <entry key="jetbrains.mps.name2id_gen" value="executed" />
@@ -31,6 +32,6 @@
     <entry key="jetbrains.mps.projectJavaVersionMigration" value="executed" />
     <entry key="jetbrains.mps.resaveModules" value="executed" />
     <entry key="jetbrains.mps.v8_elimination" value="executed" />
-    <entry key="project.migrated.version" value="243" />
+    <entry key="project.migrated.version" value="251" />
   </component>
 </project>
\ No newline at end of file
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 bd4dde7c..5b17fffb 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
@@ -121,7 +121,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.lang.coderules/languageModels/editor.mps b/coderules/languages/jetbrains.mps.lang.coderules/languageModels/editor.mps
index f57fc45b..fd9fc9e0 100644
--- a/coderules/languages/jetbrains.mps.lang.coderules/languageModels/editor.mps
+++ b/coderules/languages/jetbrains.mps.lang.coderules/languageModels/editor.mps
@@ -3,7 +3,7 @@
   <persistence version="9" />
   <languages>
     <use id="f2801650-65d5-424e-bb1b-463a8781b786" name="jetbrains.mps.baseLanguage.javadoc" version="-1" />
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="-1" />
     <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="12" />
     <use id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel" version="19" />
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 018477f0..6daa4439 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
@@ -130,7 +130,7 @@
     <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" 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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.lang.typechecking/models/editor.mps b/coderules/languages/jetbrains.mps.lang.typechecking/models/editor.mps
index 96a7be7f..f5e248b9 100644
--- a/coderules/languages/jetbrains.mps.lang.typechecking/models/editor.mps
+++ b/coderules/languages/jetbrains.mps.lang.typechecking/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:2e850586-b012-4b1a-9080-68602bc3e8c1(jetbrains.mps.lang.typechecking.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports>
diff --git a/coderules/languages/jetbrains.mps.lang.types/jetbrains.mps.lang.types.mpl b/coderules/languages/jetbrains.mps.lang.types/jetbrains.mps.lang.types.mpl
index bae47ffa..677d549d 100644
--- a/coderules/languages/jetbrains.mps.lang.types/jetbrains.mps.lang.types.mpl
+++ b/coderules/languages/jetbrains.mps.lang.types/jetbrains.mps.lang.types.mpl
@@ -122,7 +122,7 @@
     <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" 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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.lang.types/models/jetbrains.mps.lang.types.editor.mps b/coderules/languages/jetbrains.mps.lang.types/models/jetbrains.mps.lang.types.editor.mps
index eb479933..03db8a09 100644
--- a/coderules/languages/jetbrains.mps.lang.types/models/jetbrains.mps.lang.types.editor.mps
+++ b/coderules/languages/jetbrains.mps.lang.types/models/jetbrains.mps.lang.types.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:27f5649e-cbb8-4abd-a071-db1b9c3be547(jetbrains.mps.lang.types.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
diff --git a/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl b/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
index 9c291a1c..0cb87bbd 100644
--- a/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
+++ b/coderules/languages/jetbrains.mps.logic/jetbrains.mps.logic.mpl
@@ -120,7 +120,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.logic/languageModels/editor.mps b/coderules/languages/jetbrains.mps.logic/languageModels/editor.mps
index 5392f440..b5e2557b 100644
--- a/coderules/languages/jetbrains.mps.logic/languageModels/editor.mps
+++ b/coderules/languages/jetbrains.mps.logic/languageModels/editor.mps
@@ -3,7 +3,7 @@
   <persistence version="9" />
   <languages>
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="12" />
     <use id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel" version="19" />
     <use id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections" version="2" />
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 f7fcefd5..e59d9a6d 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
@@ -38,7 +38,7 @@
     <language slang="l:ea3159bf-f48e-4720-bde2-86dba75f0d34:jetbrains.mps.lang.context.defs" 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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:d7a92d38-f7db-40d0-8431-763b0c3c9f20:jetbrains.mps.lang.intentions" version="1" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.typechecking.annotation/languageModels/editor.mps b/coderules/languages/jetbrains.mps.typechecking.annotation/languageModels/editor.mps
index b09fe0c8..e488fb08 100644
--- a/coderules/languages/jetbrains.mps.typechecking.annotation/languageModels/editor.mps
+++ b/coderules/languages/jetbrains.mps.typechecking.annotation/languageModels/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:26262999-7049-47d1-a8fc-8e4617b9cd2d(jetbrains.mps.typechecking.annotation.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports>
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 b9ee72bd..82bc39ed 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
@@ -85,7 +85,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/coderules/languages/jetbrains.mps.typechecking.testlang/models/editor.mps b/coderules/languages/jetbrains.mps.typechecking.testlang/models/editor.mps
index 71254d4d..92cb1086 100644
--- a/coderules/languages/jetbrains.mps.typechecking.testlang/models/editor.mps
+++ b/coderules/languages/jetbrains.mps.typechecking.testlang/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:5e4e4f29-5632-41c5-a47c-40ca5e101249(jetbrains.mps.typechecking.testlang.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="daafa647-f1f7-4b0b-b096-69cd7c8408c0" name="jetbrains.mps.baseLanguage.regexp" version="0" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
   </languages>
diff --git a/samples/fitch/languages/samples.fitch.firstOrderLogic/models/editor.mps b/samples/fitch/languages/samples.fitch.firstOrderLogic/models/editor.mps
index 63486517..5553e9f4 100644
--- a/samples/fitch/languages/samples.fitch.firstOrderLogic/models/editor.mps
+++ b/samples/fitch/languages/samples.fitch.firstOrderLogic/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:c18170ff-96aa-486a-aea5-01ae6cdbba3f(samples.fitch.firstOrderLogic.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
   </languages>
   <imports>
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 e8e7088e..0d3c7aa7 100644
--- a/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.firstOrderLogic/samples.fitch.firstOrderLogic.mpl
@@ -87,7 +87,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/fitch/languages/samples.fitch.herbrandLogic/models/editor.mps b/samples/fitch/languages/samples.fitch.herbrandLogic/models/editor.mps
index ee682643..ebae970d 100644
--- a/samples/fitch/languages/samples.fitch.herbrandLogic/models/editor.mps
+++ b/samples/fitch/languages/samples.fitch.herbrandLogic/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:0b1f15f7-167a-449c-aaf4-e2a3be522c90(samples.fitch.herbrandLogic.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="daafa647-f1f7-4b0b-b096-69cd7c8408c0" name="jetbrains.mps.baseLanguage.regexp" version="0" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
   </languages>
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 35c9e99f..f0c9a2ae 100644
--- a/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.herbrandLogic/samples.fitch.herbrandLogic.mpl
@@ -88,7 +88,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/fitch/languages/samples.fitch.propositionalLogic/models/editor.mps b/samples/fitch/languages/samples.fitch.propositionalLogic/models/editor.mps
index 456ff0ba..15eb34e7 100644
--- a/samples/fitch/languages/samples.fitch.propositionalLogic/models/editor.mps
+++ b/samples/fitch/languages/samples.fitch.propositionalLogic/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:2ca623f4-8f74-473f-b3b6-e9b637018c0b(samples.fitch.propositionalLogic.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="f3061a53-9226-4cc5-a443-f952ceaf5816" name="jetbrains.mps.baseLanguage" version="12" />
     <use id="7866978e-a0f0-4cc7-81bc-4d213d9375e1" name="jetbrains.mps.lang.smodel" version="19" />
     <use id="83888646-71ce-4f1c-9c53-c54016f6ad4f" name="jetbrains.mps.baseLanguage.collections" version="2" />
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 c5b2b5b2..397e4317 100644
--- a/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl
+++ b/samples/fitch/languages/samples.fitch.propositionalLogic/samples.fitch.propositionalLogic.mpl
@@ -86,7 +86,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/fitch/languages/samples.fitch/models/editor.mps b/samples/fitch/languages/samples.fitch/models/editor.mps
index a15127ff..2eecaa80 100644
--- a/samples/fitch/languages/samples.fitch/models/editor.mps
+++ b/samples/fitch/languages/samples.fitch/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:873e37f0-b045-47b9-ae9e-db79c2628975(samples.fitch.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="daafa647-f1f7-4b0b-b096-69cd7c8408c0" name="jetbrains.mps.baseLanguage.regexp" version="0" />
     <use id="0272d3b4-4cc8-481e-9e2f-07793fbfcb41" name="jetbrains.mps.lang.editor.table" version="0" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
diff --git a/samples/fitch/languages/samples.fitch/samples.fitch.mpl b/samples/fitch/languages/samples.fitch/samples.fitch.mpl
index fbaba7d0..f8c42227 100644
--- a/samples/fitch/languages/samples.fitch/samples.fitch.mpl
+++ b/samples/fitch/languages/samples.fitch/samples.fitch.mpl
@@ -85,7 +85,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:0272d3b4-4cc8-481e-9e2f-07793fbfcb41:jetbrains.mps.lang.editor.table" version="0" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <language slang="l:b401a680-8325-4110-8fd3-84331ff25bef:jetbrains.mps.lang.generator" version="4" />
diff --git a/samples/lambdacalc/languages/samples.lambdacalc/models/editor.mps b/samples/lambdacalc/languages/samples.lambdacalc/models/editor.mps
index 859f0ddc..22e3173c 100644
--- a/samples/lambdacalc/languages/samples.lambdacalc/models/editor.mps
+++ b/samples/lambdacalc/languages/samples.lambdacalc/models/editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:a4cbccba-ea60-4d22-9e76-4b461414bf5b(samples.lambdacalc.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="2677cb18-f558-4e33-bc38-a5139cee06dc(jetbrains.mps.devkit.language-design)" />
   </languages>
   <imports>
diff --git a/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl b/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
index 71593021..05f30443 100644
--- a/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
+++ b/samples/lambdacalc/languages/samples.lambdacalc/samples.lambdacalc.mpl
@@ -46,7 +46,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
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 8b501303..575041df 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
@@ -79,7 +79,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/models/jetbrains.mps.baseLanguage.blTypesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/models/jetbrains.mps.baseLanguage.blTypesExt.editor.mps
index ecaffdf2..581585e9 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/models/jetbrains.mps.baseLanguage.blTypesExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.blTypesExt/models/jetbrains.mps.baseLanguage.blTypesExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:3794a62c-76bc-46d0-8b06-601c671cb4f9(jetbrains.mps.baseLanguage.blTypesExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl
index e11410e7..5652cb32 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/jetbrains.mps.baseLanguage.classifiersExt.mpl
@@ -88,7 +88,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/models/jetbrains.mps.baseLanguage.classifiersExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/models/jetbrains.mps.baseLanguage.classifiersExt.editor.mps
index 0c669997..5b5fb5cb 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/models/jetbrains.mps.baseLanguage.classifiersExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.classifiersExt/models/jetbrains.mps.baseLanguage.classifiersExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:e9601a4a-ac74-404b-a736-da84681b347c(jetbrains.mps.baseLanguage.classifiersExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 7664d649..e7f8cbf9 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
@@ -90,7 +90,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/models/jetbrains.mps.baseLanguage.closuresExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/models/jetbrains.mps.baseLanguage.closuresExt.editor.mps
index c3b2cf4a..01b80efe 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/models/jetbrains.mps.baseLanguage.closuresExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.closuresExt/models/jetbrains.mps.baseLanguage.closuresExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:a1354000-e4e5-49b1-8dc7-b41e2779a73c(jetbrains.mps.baseLanguage.closuresExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 38063e81..747ad435 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
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/models/jetbrains.mps.baseLanguage.collectionsExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/models/jetbrains.mps.baseLanguage.collectionsExt.editor.mps
index d54f0034..2f4a55dc 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/models/jetbrains.mps.baseLanguage.collectionsExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.collectionsExt/models/jetbrains.mps.baseLanguage.collectionsExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:3a429c96-97ec-46b4-87a1-8f31ce852384(jetbrains.mps.baseLanguage.collectionsExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 1fb3fd38..7c68dd49 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
@@ -87,7 +87,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/models/jetbrains.mps.baseLanguage.function.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/models/jetbrains.mps.baseLanguage.function.editor.mps
index c98a3c1f..ad1ccfa3 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/models/jetbrains.mps.baseLanguage.function.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.function/models/jetbrains.mps.baseLanguage.function.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:bd955bd9-e5de-4e09-917a-0f95b40a02ff(jetbrains.mps.baseLanguage.function.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 2044760f..268b6f31 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
@@ -35,7 +35,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/models/jetbrains.mps.baseLanguage.javadocExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/models/jetbrains.mps.baseLanguage.javadocExt.editor.mps
index 874959c5..186a7053 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/models/jetbrains.mps.baseLanguage.javadocExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.javadocExt/models/jetbrains.mps.baseLanguage.javadocExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:6fa01963-69c8-44cf-8939-5d66ac8dea72(jetbrains.mps.baseLanguage.javadocExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/jetbrains.mps.baseLanguage.kotlinRefsExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/jetbrains.mps.baseLanguage.kotlinRefsExt.mpl
index d519d9e3..fbbebd9c 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/jetbrains.mps.baseLanguage.kotlinRefsExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/jetbrains.mps.baseLanguage.kotlinRefsExt.mpl
@@ -90,7 +90,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/models/jetbrains.mps.baseLanguage.kotlinRefsExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/models/jetbrains.mps.baseLanguage.kotlinRefsExt.editor.mps
index 9611789a..be31a2d6 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/models/jetbrains.mps.baseLanguage.kotlinRefsExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.kotlinRefsExt/models/jetbrains.mps.baseLanguage.kotlinRefsExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:68ecb121-0196-4ac4-b7d8-c6a0df4de825(jetbrains.mps.baseLanguage.kotlinRefsExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/jetbrains.mps.baseLanguage.methodReferencesExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/jetbrains.mps.baseLanguage.methodReferencesExt.mpl
index 0a2aab6f..05b72131 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/jetbrains.mps.baseLanguage.methodReferencesExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/jetbrains.mps.baseLanguage.methodReferencesExt.mpl
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/models/jetbrains.mps.baseLanguage.methodReferencesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/models/jetbrains.mps.baseLanguage.methodReferencesExt.editor.mps
index a9dddfda..4463699d 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/models/jetbrains.mps.baseLanguage.methodReferencesExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.methodReferencesExt/models/jetbrains.mps.baseLanguage.methodReferencesExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:152e65de-a65c-4800-9e6f-07806e1b63f5(jetbrains.mps.baseLanguage.methodReferencesExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 9c5f22d0..7c26fa69 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
@@ -86,7 +86,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/models/jetbrains.mps.baseLanguage.sequence.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/models/jetbrains.mps.baseLanguage.sequence.editor.mps
index a9dc3b61..bd0693d0 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/models/jetbrains.mps.baseLanguage.sequence.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.sequence/models/jetbrains.mps.baseLanguage.sequence.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:8dc090e1-80c7-4085-8bf6-c5fe1fa68259(jetbrains.mps.baseLanguage.sequence.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 1989527e..d8b23d65 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
@@ -90,7 +90,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/models/jetbrains.mps.baseLanguage.tuplesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/models/jetbrains.mps.baseLanguage.tuplesExt.editor.mps
index 8e593888..d4838ec2 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/models/jetbrains.mps.baseLanguage.tuplesExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.tuplesExt/models/jetbrains.mps.baseLanguage.tuplesExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:0553e83e-016b-4700-a207-3093505b4e82(jetbrains.mps.baseLanguage.tuplesExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/jetbrains.mps.baseLanguage.varVariableExt.mpl b/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/jetbrains.mps.baseLanguage.varVariableExt.mpl
index 5f865917..d680815f 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/jetbrains.mps.baseLanguage.varVariableExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/jetbrains.mps.baseLanguage.varVariableExt.mpl
@@ -87,7 +87,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/models/jetbrains.mps.baseLanguage.varVariableExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/models/jetbrains.mps.baseLanguage.varVariableExt.editor.mps
index 81b70b9b..613bee4d 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/models/jetbrains.mps.baseLanguage.varVariableExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguage.varVariableExt/models/jetbrains.mps.baseLanguage.varVariableExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:f99a5cc9-a513-45a5-ab9d-1987f1a043c8(jetbrains.mps.baseLanguage.varVariableExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 2c96a1bf..5d971793 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/jetbrains.mps.baseLanguageExt.mpl
@@ -47,7 +47,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.editor.mps
index ee268366..67c25829 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageExt/models/jetbrains.mps.baseLanguageExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:e5022488-eabe-41a9-8cb7-295cff00cbac(jetbrains.mps.baseLanguageExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 9a9a8f4d..2cd36249 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/jetbrains.mps.baseLanguageInternalExt.mpl
@@ -88,7 +88,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/models/jetbrains.mps.baseLanguageInternalExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/models/jetbrains.mps.baseLanguageInternalExt.editor.mps
index 22c98089..4da666dc 100644
--- a/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/models/jetbrains.mps.baseLanguageInternalExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.baseLanguageInternalExt/models/jetbrains.mps.baseLanguageInternalExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:39994134-fb68-44a6-a252-f3937cd36786(jetbrains.mps.baseLanguageInternalExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl
index b14398f5..20a9d46e 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/jetbrains.mps.lang.behaviorExt.mpl
@@ -87,7 +87,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/models/jetbrains.mps.lang.behaviorExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/models/jetbrains.mps.lang.behaviorExt.editor.mps
index 442d20e5..bdae0acb 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/models/jetbrains.mps.lang.behaviorExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.behaviorExt/models/jetbrains.mps.lang.behaviorExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:b7f435fa-0da1-415c-92ba-6c13be508894(jetbrains.mps.lang.behaviorExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 35aaa9b1..5124090c 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
@@ -103,7 +103,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/models/jetbrains.mps.lang.coderulesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/models/jetbrains.mps.lang.coderulesExt.editor.mps
index 194e72a6..40e306fe 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/models/jetbrains.mps.lang.coderulesExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.coderulesExt/models/jetbrains.mps.lang.coderulesExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:a860231f-ae68-4c30-a3db-fe07410c62f4(jetbrains.mps.lang.coderulesExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 1e8ab524..250a358f 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
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/models/jetbrains.mps.lang.constraintsExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/models/jetbrains.mps.lang.constraintsExt.editor.mps
index a4653cdf..c7b2af61 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/models/jetbrains.mps.lang.constraintsExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.constraintsExt/models/jetbrains.mps.lang.constraintsExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:56caf082-9c01-4195-af52-e5ed40b0939a(jetbrains.mps.lang.constraintsExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 eac3ac97..f1a7a1af 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
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/models/jetbrains.mps.lang.generator.generationContextExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/models/jetbrains.mps.lang.generator.generationContextExt.editor.mps
index 936d3b4f..fb11ecb8 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/models/jetbrains.mps.lang.generator.generationContextExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.generator.generationContextExt/models/jetbrains.mps.lang.generator.generationContextExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:dfc9506f-8d2c-4114-958c-20b49f7d88e1(jetbrains.mps.lang.generator.generationContextExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 00343cc3..ced4a369 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
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/models/jetbrains.mps.lang.generatorExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/models/jetbrains.mps.lang.generatorExt.editor.mps
index 0a866f21..ddcdfe1c 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/models/jetbrains.mps.lang.generatorExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.generatorExt/models/jetbrains.mps.lang.generatorExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:ab60ef99-b905-49a6-995d-916ac76a5d20(jetbrains.mps.lang.generatorExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl
index f160b487..b30b4781 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/jetbrains.mps.lang.patternExt.mpl
@@ -94,7 +94,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps
index 01d59065..13205870 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.patternExt/models/jetbrains.mps.lang.patternExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:6c30045b-af27-4b64-8c54-0a97a95f2a50(jetbrains.mps.lang.patternExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 79d422ed..4bd648d6 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
@@ -93,7 +93,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/models/jetbrains.mps.lang.quotationExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/models/jetbrains.mps.lang.quotationExt.editor.mps
index 58168100..7871b2b1 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/models/jetbrains.mps.lang.quotationExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.quotationExt/models/jetbrains.mps.lang.quotationExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:e0c0bf91-6c85-48df-9c56-1d1582c10f92(jetbrains.mps.lang.quotationExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
index 4ace9b33..b37c4e38 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/jetbrains.mps.lang.scopesExt.mpl
@@ -85,7 +85,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
index 30508050..00edddf2 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scopesExt/models/jetbrains.mps.lang.scopesExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:8982c6d3-2ba2-4ea6-9cd6-64284fcc3a90(jetbrains.mps.lang.scopesExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl
index 77f71b31..d2206a9f 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/jetbrains.mps.lang.scriptExt.mpl
@@ -89,7 +89,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/models/jetbrains.mps.lang.scriptExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/models/jetbrains.mps.lang.scriptExt.editor.mps
index 5179079e..01c20d05 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/models/jetbrains.mps.lang.scriptExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.scriptExt/models/jetbrains.mps.lang.scriptExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:d384a73b-720e-48aa-8cb3-db8f78bf2db5(jetbrains.mps.lang.scriptExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl
index b15f3f94..375c60f6 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/jetbrains.mps.lang.smodel.queryExt.mpl
@@ -93,7 +93,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/models/jetbrains.mps.lang.smodel.queryExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/models/jetbrains.mps.lang.smodel.queryExt.editor.mps
index 623c8e40..63ebf40d 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/models/jetbrains.mps.lang.smodel.queryExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.smodel.queryExt/models/jetbrains.mps.lang.smodel.queryExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:9bfbf6d8-3a82-4a27-8d28-9f698056da81(jetbrains.mps.lang.smodel.queryExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 bb354412..6929f318 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
@@ -101,7 +101,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/models/jetbrains.mps.lang.smodelExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/models/jetbrains.mps.lang.smodelExt.editor.mps
index 84d56f4b..12e6e0a9 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/models/jetbrains.mps.lang.smodelExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.smodelExt/models/jetbrains.mps.lang.smodelExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:a80b4ea8-560f-4c24-ba8d-37389e862f8d(jetbrains.mps.lang.smodelExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl
index e5ebd110..00c2f758 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.testExt/jetbrains.mps.lang.testExt.mpl
@@ -92,7 +92,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.testExt/models/jetbrains.mps.lang.testExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.testExt/models/jetbrains.mps.lang.testExt.editor.mps
index 0e18dba1..e57e0d67 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.testExt/models/jetbrains.mps.lang.testExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.testExt/models/jetbrains.mps.lang.testExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:2a451265-00a0-402c-859f-a241c807765d(jetbrains.mps.lang.testExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/jetbrains.mps.lang.typecheckingExt.mpl b/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/jetbrains.mps.lang.typecheckingExt.mpl
index 1a4766f5..76db30ce 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/jetbrains.mps.lang.typecheckingExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/jetbrains.mps.lang.typecheckingExt.mpl
@@ -103,7 +103,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/models/jetbrains.mps.lang.typecheckingExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/models/jetbrains.mps.lang.typecheckingExt.editor.mps
index fe77b852..7d348d4d 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/models/jetbrains.mps.lang.typecheckingExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.typecheckingExt/models/jetbrains.mps.lang.typecheckingExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:1ac3067e-b662-4c23-ab85-0e67112fed63(jetbrains.mps.lang.typecheckingExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <use id="aee9cad2-acd4-4608-aef2-0004f6a1cdbd" name="jetbrains.mps.lang.actions" version="4" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
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 72b56058..3674c721 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
@@ -100,7 +100,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/models/jetbrains.mps.lang.typesystemExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/models/jetbrains.mps.lang.typesystemExt.editor.mps
index f3aa8cc0..18dd037c 100644
--- a/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/models/jetbrains.mps.lang.typesystemExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.lang.typesystemExt/models/jetbrains.mps.lang.typesystemExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:c06dca51-b2e5-4ce0-9978-1e17a1bea908(jetbrains.mps.lang.typesystemExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />
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 36b0561a..19de4d27 100644
--- a/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl
+++ b/samples/mpscore/languages/jetbrains.mps.logicExt/jetbrains.mps.logicExt.mpl
@@ -91,7 +91,7 @@
     <language slang="l:ceab5195-25ea-4f22-9b92-103b95ca8c0c:jetbrains.mps.lang.core" version="2" />
     <language slang="l:7fa12e9c-b949-4976-b4fa-19accbc320b4:jetbrains.mps.lang.dataFlow" version="1" />
     <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:18bc6592-03a6-4e29-a83a-7ff23bde13ba:jetbrains.mps.lang.editor" version="15" />
     <language slang="l:64d34fcd-ad02-4e73-aff8-a581124c2e30:jetbrains.mps.lang.findUsages" version="0" />
     <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" />
diff --git a/samples/mpscore/languages/jetbrains.mps.logicExt/models/jetbrains.mps.logicExt.editor.mps b/samples/mpscore/languages/jetbrains.mps.logicExt/models/jetbrains.mps.logicExt.editor.mps
index 9df64c77..e3f08322 100644
--- a/samples/mpscore/languages/jetbrains.mps.logicExt/models/jetbrains.mps.logicExt.editor.mps
+++ b/samples/mpscore/languages/jetbrains.mps.logicExt/models/jetbrains.mps.logicExt.editor.mps
@@ -2,7 +2,7 @@
 <model ref="r:9231592d-5b41-4a5d-867a-b3d88ad354db(jetbrains.mps.logicExt.editor)">
   <persistence version="9" />
   <languages>
-    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="14" />
+    <use id="18bc6592-03a6-4e29-a83a-7ff23bde13ba" name="jetbrains.mps.lang.editor" version="15" />
     <devkit ref="fbc25dd2-5da4-483a-8b19-70928e1b62d7(jetbrains.mps.devkit.general-purpose)" />
   </languages>
   <imports />