docs: add v3.3.0 release note #2802
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| # Release Notes | ||
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| ## 3.3.0 | ||
| ## Summary | ||
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| This release brings multiple bug fixes, new features, and code enhancements to improve the stability and functionality of Apache Dubbo-Go. Key improvements include fixing various service discovery and registry-related issues, addressing memory leaks, imporving error handling and stability of underlying communication library. Additionally, new features such as script-based routing, enhanced compatibility with Java, triple protocal keepalive and support for Protobuf-based MetadataService have been introduced. | ||
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| ### Bug Fixes | ||
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| - Fixed initialization of the correct OTEL-GRPC exporter. [#2666](https://github.com/apache/dubbo-go/pull/2666) [#2679](https://github.com/apache/dubbo-go/pull/2679) | ||
| - Fixed test case inconsistencies. [#2660](https://github.com/apache/dubbo-go/pull/2660) | ||
| - Resolved makezero bug. [#2682](https://github.com/apache/dubbo-go/pull/2682) | ||
| - Fixed nacos service discovery issues. [#2691](https://github.com/apache/dubbo-go/pull/2691) [#2694](https://github.com/apache/dubbo-go/pull/2694) | ||
| - Corrected protoc-gen-go-triple path. [#2690](https://github.com/apache/dubbo-go/pull/2690) | ||
| - Fixed segmentation fault due to a nil backupCodec. [#2698](https://github.com/apache/dubbo-go/pull/2698) | ||
| - Resolved zookeeper mapping key issues. [#2711](https://github.com/apache/dubbo-go/pull/2711) | ||
| - Fixed issues with nacos registry '*' subscription. [#2713](https://github.com/apache/dubbo-go/pull/2713) | ||
| - Resolved nacos service discovery not retrieving all service names. [#2715](https://github.com/apache/dubbo-go/pull/2715) | ||
| - Fixed deadlock occurrences. [#2716](https://github.com/apache/dubbo-go/pull/2716) | ||
| - Addressed service disconnection and configuration invalidation issues. [#2717](https://github.com/apache/dubbo-go/pull/2717) | ||
| - Implemented error handling for triple handler using codeUnimplemented. [#2719](https://github.com/apache/dubbo-go/pull/2719) | ||
| - Fixed router rule parsing log errors. [#2720](https://github.com/apache/dubbo-go/pull/2720) | ||
| - Addressed memory leaks by setting baseinvoker's URL to nil. [#2726](https://github.com/apache/dubbo-go/pull/2726) | ||
| - Fixed incorrect CallClientStream result handling. [#2732](https://github.com/apache/dubbo-go/pull/2732) | ||
| - Resolved slice initialization length issue. [#2734](https://github.com/apache/dubbo-go/pull/2734) | ||
| - Improved logging of file names, function names, and line numbers. [#2744](https://github.com/apache/dubbo-go/pull/2744) | ||
| - Fixed automatic camel case conversion in HTTP proxy requests. [#2746](https://github.com/apache/dubbo-go/pull/2746) | ||
| - Addressed issues in golangci-lint. [#2754](https://github.com/apache/dubbo-go/pull/2754) | ||
| - Fixed incorrect metric type for dubbo_registry_directory. [#2766](https://github.com/apache/dubbo-go/pull/2766) | ||
| - Resolved panic in findMappedServices. [#2768](https://github.com/apache/dubbo-go/pull/2768) | ||
| - Ensured CacheListener uses thread-safe ListenerSet. [#2769](https://github.com/apache/dubbo-go/pull/2769) | ||
| - Improved subscription behavior to wait for register completion or timeout. [#2775](https://github.com/apache/dubbo-go/pull/2775) | ||
| - Fixed rc.id being always nil. [#2778](https://github.com/apache/dubbo-go/pull/2778) | ||
| - Resolved issue where the same address could not distinguish different registry centers. [#2784](https://github.com/apache/dubbo-go/pull/2784) | ||
| - Removed unnecessary setdeadline usage. [#2785](https://github.com/apache/dubbo-go/pull/2785) | ||
| - Fixed various problematic error returns. [#2791](https://github.com/apache/dubbo-go/pull/2791) | ||
| - Addressed additional memory leak issues. [#2792](https://github.com/apache/dubbo-go/pull/2792) | ||
| - Fixed some inaccurate comments. [#2793](https://github.com/apache/dubbo-go/pull/2793) | ||
| - Fixed data race in ReadMessage(). [getty#123](https://github.com/apache/dubbo-getty/pull/123) | ||
| - Fixed memory leak issue caused by slice interception. [#hessian2/374](https://github.com/apache/dubbo-go-hessian2/pull/374) | ||
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| ### New Features | ||
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| - Added script-based routing functionality. [#2669](https://github.com/apache/dubbo-go/pull/2669) | ||
| - Introduced support for conditional routing with multiple destinations. [#2685](https://github.com/apache/dubbo-go/pull/2685) | ||
| - Implemented new conditional rules. [#2686](https://github.com/apache/dubbo-go/pull/2686) | ||
| - Enhanced Java interoperability. [#2687](https://github.com/apache/dubbo-go/pull/2687) | ||
| - Added Protobuf-based MetadataService support. [#2723](https://github.com/apache/dubbo-go/pull/2723) | ||
| - Introduced keepalive configuration for triple protocol. [#2757](https://github.com/apache/dubbo-go/pull/2757) | ||
| - Enhanced nacos registry with multi-category subscription support. [#2783](https://github.com/apache/dubbo-go/pull/2783) | ||
| - Added triple protocol keepalive config.[#triple87](https://github.com/dubbogo/triple/pull/87) | ||
| - Added triple protocol connection pool.[#triple91](https://github.com/dubbogo/triple/pull/91) | ||
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| ### Code Enhancements | ||
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| - Added unit tests for metadata. [#2665](https://github.com/apache/dubbo-go/pull/2665) | ||
| - Improved various code comments. [#2668](https://github.com/apache/dubbo-go/pull/2668) | ||
| - Changed method WithClientCheck to WithClientNoCheck. [#2680](https://github.com/apache/dubbo-go/pull/2680) | ||
| - Optimized Nacos endpoint handling. [#2692](https://github.com/apache/dubbo-go/pull/2692) | ||
| - Updated UseAsMetaReport and UseAsConfigCenter to string values to prevent overrides. [#2693](https://github.com/apache/dubbo-go/pull/2693) | ||
| - Updated condition rule sorting logic. [#2688](https://github.com/apache/dubbo-go/pull/2688) | ||
| - Differentiated business errors from RPC wire errors. [#2712](https://github.com/apache/dubbo-go/pull/2712) | ||
| - Standardized timeout unit to milliseconds in Dubbo protocol. [#2737](https://github.com/apache/dubbo-go/pull/2737) | ||
| - Limit the reconnect times or duration. [getty#117](https://github.com/apache/dubbo-getty/pull/123) | ||
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| ### Contributors | ||
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| Special thanks to all contributors for their efforts in improving Apache Dubbo-Go: | ||
| @1kasa | ||
| @AlbumenJ | ||
| @AlexStocks | ||
| @alingse | ||
| @ALLen442 | ||
| @baerwang | ||
| @chickenlj | ||
| @cuishuang | ||
| @FinalT | ||
| @FoghostCn | ||
| @gexincoding | ||
| @knowmost | ||
| @linfeip | ||
| @marsevilspirit | ||
| @No-SilverBullet | ||
| @SHA-4096 | ||
| @ShawnJeffersonWang | ||
| @snowLeopard331 | ||
| @solisamicus | ||
| @wcy666103 | ||
| @YarBor | ||
| @yumosx | ||
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| ## 3.1.0 | ||
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This release introduces multiple bug fixes, new features, and code enhancements to improve the stability and functionality of Apache Dubbo-Go. Key improvements include resolving various service discovery and registry-related issues, addressing memory leaks, and enhancing the error handling and stability of the underlying communication library. Additionally, new features such as script-based routing, improved Java compatibility, Triple protocol keepalive, and support for Protobuf-based MetadataService have been implemented.