# 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)