# Change Log
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- [Feature: Support parse ratelimit rule expression labels.](https://github.com/Tencent/spring-cloud-tencent/pull/183)
- [Feature: Router support request label.](https://github.com/Tencent/spring-cloud-tencent/pull/165)
- [Feature: Support router expression label](https://github.com/Tencent/spring-cloud-tencent/pull/190)
- [Add metadata transfer example.](https://github.com/Tencent/spring-cloud-tencent/pull/184)
- [Feature: Support metadata router.](https://github.com/Tencent/spring-cloud-tencent/pull/191)
- [Feature: Misc optimize metadata router.](https://github.com/Tencent/spring-cloud-tencent/pull/192)
- [Feature:Support near by router.](https://github.com/Tencent/spring-cloud-tencent/pull/196)
- [Feature: Load application.yml and application-${profile}.yml from polaris server.](https://github.com/Tencent/spring-cloud-tencent/pull/199)
- [feat:add rate limit of unirate.](https://github.com/Tencent/spring-cloud-tencent/pull/197)
- [test:add junit test to polaris-circuitbreaker.](https://github.com/Tencent/spring-cloud-tencent/pull/202)
- [test:add junit test to polaris-discovery.](https://github.com/Tencent/spring-cloud-tencent/pull/205)
- [Example:set example polaris address to demo environment.](https://github.com/Tencent/spring-cloud-tencent/pull/206)