# Change Log --- - [Bugfix: optimize ratelimit actuator](https://github.com/Tencent/spring-cloud-tencent/pull/419) - [Feature: add rate limit filter debug log](https://github.com/Tencent/spring-cloud-tencent/pull/436) - [Optimize: add EncodeTransferMedataRestTemplateInterceptor to RestTemplate](https://github.com/Tencent/spring-cloud-tencent/pull/439) - [Add configurable heartbeat interval support](https://github.com/Tencent/spring-cloud-tencent/pull/443) - [feat:enhance Feign and RestTemplate and support Polaris monitor.](https://github.com/Tencent/spring-cloud-tencent/pull/446) - [Optimize feign & rest-template circuit-breaker logic](https://github.com/Tencent/spring-cloud-tencent/pull/453) - [Bugfix: Removed unused class for circuit-breaker module](https://github.com/Tencent/spring-cloud-tencent/pull/456) - [Feature: Add disposable metadata transfer support](https://github.com/Tencent/spring-cloud-tencent/pull/458)