# Change Log
---

- [feat: support lossless register and deregister at #977](https://github.com/Tencent/spring-cloud-tencent/pull/1242)
- [feat: PolarisServiceRegistry#deregister support idempotency.](https://github.com/Tencent/spring-cloud-tencent/pull/1243)
- [feat: SCT元数据管理能力与polaris-java元数据管理能力进行下沉及整合](https://github.com/Tencent/spring-cloud-tencent/pull/1249)
- [feat: support lane router](https://github.com/Tencent/spring-cloud-tencent/pull/1250)
- [feat: lane router rule support caller ip](https://github.com/Tencent/spring-cloud-tencent/pull/1253)
- [feat:add polaris ThreadLocal plugin.](https://github.com/Tencent/spring-cloud-tencent/pull/1255)
- [feat:upgrade jackson version.](https://github.com/Tencent/spring-cloud-tencent/pull/1257)
- [fix:fix wrong report when using Zuul with instance not found exception.](https://github.com/Tencent/spring-cloud-tencent/pull/1283)
- [feat: merge lane router and lossless features from 2023](https://github.com/Tencent/spring-cloud-tencent/pull/1288)
- [fix: fix npe when add circuitbreak module without feign.hystrix.enable=true](https://github.com/Tencent/spring-cloud-tencent/pull/1292)
- [fix:fix ApplicationContextAwareUtils NPE bug.](https://github.com/Tencent/spring-cloud-tencent/pull/1295)
- [fix:fix the ratelimit bug for hoxton](https://github.com/Tencent/spring-cloud-tencent/pull/1301)
- [feat:upgrade jacoco version.](https://github.com/Tencent/spring-cloud-tencent/pull/1306)
- [fix:fix no registry when lossless is disabled.](https://github.com/Tencent/spring-cloud-tencent/pull/1313)
- [fix: memory not released while using wildcard api call with circuitbreaker enabled](https://github.com/Tencent/spring-cloud-tencent/pull/1335)
- [feat: support 2.0.0](https://github.com/Tencent/spring-cloud-tencent/pull/1458)
- [feat: support 2.0.0 config](https://github.com/Tencent/spring-cloud-tencent/pull/1463)
- [feat:upgrade trace plugin.](https://github.com/Tencent/spring-cloud-tencent/pull/1467)
- [feat:upgrade 2.0.0 service.](https://github.com/Tencent/spring-cloud-tencent/pull/1471)
- [fix:fix zuul delay circuit breaker.](https://github.com/Tencent/spring-cloud-tencent/pull/1519)
- [fix:fix watch tsf config, fix bean refresh with RefreshScope and ConfigurationProperties.](https://github.com/Tencent/spring-cloud-tencent/pull/1520)
- [docs:update circuit breaker examples.](https://github.com/Tencent/spring-cloud-tencent/pull/1521)