New Features

• Add Address notification batch mode
• Add dubbo-gen stream support
• Add Change verify to Makefile
• Add more automatic components
• Add grpc max message size config

Enhancement

• when it need local ip, it will get it every time. We can get local ip once, and reused it
• enhance client's connectivity
• Imp: get local ip once and reused it
• Remove unmeaning logic

Bugfixes

• Fix: nacos registry can not get namespaceId @peaman
• Fix: url encode
• Fix: try to fix too many files open error
• Fix: refact heartbeat
• Fix: router_config add &url to url
• Fix: Router chain can not build immediately when started
• Fix: client block until timeout when provider return with PackageResponse_Exception
• Fix: URL.String() data race panic
• Fix: generic "encode hessian.Object"

Dependencies

• Bump github.com/mitchellh/mapstructure from 1.2.3 to 1.3.3
• Bump github.com/go-resty/resty/v2 from 2.1.0 to 2.3.0
• Bump github.com/opentracing/opentracing-go from 1.1.0 to 1.2.0
• Bump github.com/creasty/defaults from 1.3.0 to 1.5.1
• Bump github.com/dubbogo/gost from 1.9.1 to 1.9.2
• Bump github.com/zouyx/agollo/v3 from 3.4.4 to 3.4.5
• Bump github.com/golang/mock from 1.3.1 to 1.4.4
• Bump github.com/nacos-group/nacos-sdk-go from 1.0.0 to 1.0.1
• Bump github.com/magiconair/properties from 1.8.1 to 1.8.4
• Bump github.com/prometheus/client_golang from 1.1.0 to 1.8.0
• Bump go.uber.org/atomic from 1.6.0 to 1.7.0
• Bump github.com/nacos-group/nacos-sdk-go from 1.0.0 to 1.0.1

Milestone: https://github.com/apache/dubbo-go/milestone/5