diff --git a/CHANGES.md b/CHANGES.md index 0efe5519f8..12e003dbc4 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -1,15 +1,151 @@ # Release Notes -## 2.6.2 +## 2.7.0 +环境要求：需要Java 8及以上版本支持 -1. Hessian-lite serialization: revert locale serialization for compatibility, #1413 -2. Asset transfer to ASF, includeing pom, license, DISCLAIMER and so on, #1491 -3. Introduce of new dispatcher policy: EagerThreadpool, #1568 -4. Separate monitor data with group and version, #1407 -5. Spring Boot Enhancement, #1611 -6. Graceful shutdown enhancement - - Remove exporter destroy logic in AnnotationBean. - - Waiting for registry notification on consumer side by checking channel state. -7. Simplify consumer/provider side check in RpcContext, #1444. +请在[这里]()了解关于升级2.7.x版本的注意事项和兼容性问题 -Issues and Pull Requests, check [milestone-2.6.2](https://github.com/apache/incubator-dubbo/milestone/15). +## New Features + +- 服务治理规则增强。 + - 更丰富的服务治理规则，新增应用级别条件路由、Tag路由等 + - 治理规则与注册中心解耦，增加对Apollo等第三方专业配置中心的支持，更易于扩展 + - 新增应用级别的动态配置规则 + - 规则体使用更易读、易用YAML格式 + +- 外部化配置。支持读取托管在远程的集中式配置中心的dubbo.properties，实现应用配置的集中式管控。 + +- 更精炼的注册中心URL，进一步减轻注册中心存储和同步压力，初步实现地址和配置的职责分离。 + +- 新增服务元数据中心，负责存储包括服务静态化配置、服务定义（如方法签名）等数据，默认提供Zookeeper, Redis支持。此功能也是OPS实现服务测试、Mock等治理能力的基础。 + +- 异步编程模式增强（限定于Dubbo协议） + - 原生CompletableFuture签名接口支持 + - 服务端异步支持 + - 异步Filter链 + +- 新增Protobuf序列化协议扩展 + +- 新增ExpiringCache缓存策略扩展 + +## Enhancements / Bugfixes + +- 负载均衡策略优化，包括ConsitentHash(#2190) 、LeastActive(#2171)、Random(#2597) 、RoundRobin(#2586) (#2650) + +- 升级第三方依赖：默认通信框架为netty 4、默认ZK客户端为Curator、Jetty 9k + +- 增加地址读取时对IPV6的支持(#2079) + +- 性能优化，链接关闭的情况下使得Consumer快速返回 (#2185) + +- 修复Jdk原生类型在kryo中的序列化问题 (#2178) + +- 修复Provider端反序列化失败后，没有及早通知Consumer端的问题 (#1903) + + +## 升级与兼容性 + +此次版本发布我们遵循了保持和老版本兼容的原则，尤其是在一些可能会破坏2.7版本与低版本互操作性的问题上，我们增加了一些兼容性代码，典型如服务治理规则、Package重命名、注册URL简化等。 + +1. Package重命名 + +com.alibaba.dubbo -> org.apache.dubbo + +2. 注册URL简化 + +3. 服务治理规则 + +4. 配置 + + +## 2.6.5 + +Enhancements / Features： + +- Reactor the generation rule for @Service Bean name [#2235](https://github.com/apache/incubator-dubbo/issues/2235) +- Introduce a new Spring ApplicationEvent for ServiceBean exporting [#2251](https://github.com/apache/incubator-dubbo/issues/2251) +- [Enhancement] the algorithm of load issue on Windows. [#1641](https://github.com/apache/incubator-dubbo/issues/1641) +- add javadoc to dubbo-all module good first issue. [#2600](https://github.com/apache/incubator-dubbo/issues/2600) +- [Enhancement] Reactor the generation rule for @Service Bean name type/enhancement [#2235](https://github.com/apache/incubator-dubbo/issues/2235) +- Optimize LeastActiveLoadBalance and add weight test case. [#2540](https://github.com/apache/incubator-dubbo/issues/2540) +- Smooth Round Robin selection. [#2578](https://github.com/apache/incubator-dubbo/issues/2578) [#2647](https://github.com/apache/incubator-dubbo/pull/2647) +- [Enhancement] Resolve the placeholders for sub-properties. [#2297](https://github.com/apache/incubator-dubbo/issues/2297) +- Add ability to turn off SPI auto injection, special support for generic Object type injection. [#2681](https://github.com/apache/incubator-dubbo/pull/2681) + + +Bugfixes： + +- @Service(register=false) is not work. [#2063](https://github.com/apache/incubator-dubbo/issues/2063) +- Our customized serialization id exceeds the maximum limit, now it cannot work on 2.6.2 anymore. [#1903](https://github.com/apache/incubator-dubbo/issues/1903) +- Consumer throws RpcException after RegistryDirectory notify in high QPS. [#2016](https://github.com/apache/incubator-dubbo/issues/2016) +- Annotation @Reference can't support to export a service with a sync one and an async one . [#2194](https://github.com/apache/incubator-dubbo/issues/2194) +- `org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor#generateReferenceBeanCacheKey` has a bug. [#2522](https://github.com/apache/incubator-dubbo/issues/2522) +- 2.6.x Spring Event & Bugfix. [#2256](https://github.com/apache/incubator-dubbo/issues/2256) +- Fix incorrect descriptions for dubbo-serialization module. [#2665](https://github.com/apache/incubator-dubbo/issues/2665) +- A empty directory dubbo-config/dubbo-config-spring/src/test/resources/work after package source tgz. [#2560](https://github.com/apache/incubator-dubbo/issues/2560) +- Fixed 2.6.x branch a minor issue with doConnect not using getConnectTimeout() in NettyClient. (*No issue*). [#2622](https://github.com/apache/incubator-dubbo/pull/2622) +- Bean name of @service annotated class does not resolve placeholder. [#1755](https://github.com/apache/incubator-dubbo/issues/1755) + + + +Issues and Pull Requests, check [milestone-2.6.5](https://github.com/apache/incubator-dubbo/milestone/21). + +## 2.6.4 + +Enhancements / Features + +- Support access Redis with password, [#2146](https://github.com/apache/incubator-dubbo/pull/2146) +- Support char array for GenericService, [#2137](https://github.com/apache/incubator-dubbo/pull/2137) +- Direct return when the server goes down abnormally, [#2451](https://github.com/apache/incubator-dubbo/pull/2451) +- Add log for trouble-shooting when qos start failed, [#2455](https://github.com/apache/incubator-dubbo/pull/2455) +- PojoUtil support subclasses of java.util.Date, [#2502](https://github.com/apache/incubator-dubbo/pull/2502) +- Add ip and application name for MonitorService, [#2166](https://github.com/apache/incubator-dubbo/pull/2166) +- New ASCII logo, [#2402](https://github.com/apache/incubator-dubbo/pull/2402) + +Bugfixes + +- Change consumer retries default value from 0 to 2, [#2303](https://github.com/apache/incubator-dubbo/pull/2303) +- Fix the problem that attachment is lost when retry, [#2024](https://github.com/apache/incubator-dubbo/pull/2024) +- Fix NPE when telnet get a null parameter, [#2453](https://github.com/apache/incubator-dubbo/pull/2453) + +UT stability + +- Improve the stability by changing different port, setting timeout to 3000ms, [#2501](https://github.com/apache/incubator-dubbo/pull/2501) + +Issues and Pull Requests, check [milestone-2.6.4](https://github.com/apache/incubator-dubbo/milestone/19). + +## 2.6.3 + +Enhancements / Features + +- Support implicit delivery of attachments from provider to consumer, #889 +- Support inject Spring bean to SPI by bean type, #1837 +- Add generic invoke and attachments support for http&hessian protocol, #1827 +- Get the real methodname to support consistenthash for generic invoke, #1872 +- Remove validation key from provider url on Consumer side, config depedently, #1386 +- Introducing the Bootstrap module as a unified entry for Dubbo startup and resource destruction, #1820 +- Open TCP_NODELAY on Netty 3, #1746 +- Support specify proxy type on provider side, #1873 +- Support dbindex in redis, #1831 +- Upgrade tomcat to 8.5.31, #1781 + +Bugfixes + +- ExecutionDispatcher meet with user docs, #1089 +- Remove side effects of Dubbo custom loggers on Netty logger, #1717 +- Fix isShutdown() judge of Dubbo biz threadpool always return true, #1426 +- Selection of invoker node under the critical condition of only two nodes, #1759 +- Listener cann't be removed during unsubscribe when use ZK as registry, #1792 +- URL parsing problem when user filed contains '@', #1808 +- Check null in CacheFilter to avoid NPE, #1828 +- Fix potential deadlock in DubboProtocol, #1836 +- Restore the bug that attachment has not been updated in the RpcContext when the Dubbo built-in retry mechanism is triggered, #1453 +- Some other small bugfixes + +Performance Tuning + +- ChannelState branch prediction optimization. #1643 +- Optimize AtomicPositiveInteger, less memory and compute cost, #348 +- Introduce embedded Threadlocal to replace the JDK implementation, #1745 + +Hessian-lite