| --- |
| title: 2.4.2 |
| sidebar_position: 5 |
| keywords: ["release-notes"] |
| description: release-notes |
| --- |
| |
| # 2.4.2 |
| |
| ### New Features |
| |
| 1. Add Mqtt plugin |
| 2. Add Shenyu-Agent module support observability |
| 3. Add opentelemetry plugin on Shenyu-Agent module |
| 4. Add jaeger plugin on Shenyu-Agent module |
| 5. Add zipkin plugin on Shenyu-Agent module |
| 6. Support Shenyu instance register by zookeeper |
| 7. Support Shenyu response data custom format |
| 8. Support https for upstream check |
| 9. Add RpcContextPlugin to transmit header to rpc context |
| 10. Support cluster model for dubbo plugin |
| 11. Support Shenyu instance register by ETCD |
| |
| ### API Changes |
| |
| 1. Add configuration properties for HTTP synchronization data |
| 2. Remove'/shenyu-client/**','/configs/**','/plugin'interface from the whitelist interface of Shenyu admin |
| |
| ### Enhancement |
| |
| 1. Optimize global error handler for flexible processing |
| 2. Optimized the database access in the loop |
| 3. Optimize result media type and reset response header |
| 4. Enhancement crossfilter filter the same headers |
| 5. Optimize shenyu context module data |
| 6. Optimize dubbo plugin |
| 7. Optimize admin db operation |
| 8. Refactor Response and Cryptor plugin |
| 9. Optimize Admin Resource Permission loader |
| 10. Add authentication on shenyu admin when register by http |
| 11. Optimize netty config. |
| 12. Optimize SQL files for resource,permission |
| 13. Add ExcludeOperatorJudge for selector and rule |
| 14. Add docker-compose on Shenyu-dist |
| 15. Enhance the ability of jwt plugin |
| |
| ### Refactor |
| |
| 1. Remove SpEL and Groovy plugins |
| 2. Optimization prompt of ExtensionLoader |
| 3. Add http client strategy property |
| 4. Refactor shenyu client |
| |
| ### Bug Fix |
| |
| 1. Fix sentinel Plugin-exception number is not effective |
| 2. Fix HttpClientProperties.javaresponseTimeout can not config in yaml |
| 3. Fix Connection reset by peer Exception on webclient |
| 4. Fix register metadata and uri order |
| 5. Fix Admin when press the Add button |
| 6. Fix Spi config |
| 7. Support Dubbo Plugin Single Parameter Primitive Type |
| 8. Fix using etcd cluster to sync data init failed |
| 9. Fix Shiro get white list is null bug |
| 10. Fix zookeeper sync error handling event bug |
| 11. Fix modify-response-plugin and cryptor-response-plugin are used in combination, and no information is returned |
| 12. Fix the bug of missing some field in cryptor rule handler using h2 |