v1.5.7-rc1

Enhancement

• Ftr: enable filter and cluster when client consumer provider directly
• change client_pool
• nacos for service_discovery support namespace
• feat: format use gofumpt
• Feature: Add some log when the router.Route return empty invokers

Bugfixes

• modify map use in nacos service_discovery; Fix issue-1165
• fix: issue #1151 - router from CONF_ROUTER_FILE_PATH doesn't take affect
• Fix: delete a service provider when using k8s hpa
• fix panic: sync: negative WaitGroup counter

Dependencies

• upgrade nacos version

Milestone:

• https://github.com/apache/dubbo-go/milestone/11