v5.3.1-release

Version Changes (5.3.0-5.3.1)

【App Store】Support Helm application warehouse docking;
【Application Management】Support Helm application installation and configuration;
[Microservice Governance] Supports two ways to access Helm-installed applications through gateways or internal component dependencies;
[Microservice governance] Added the service governance capability of the GRPC protocol;
[Microservice governance] Added control over the startup sequence of containers under components, enabling mesh containers to start before business containers;
[Component management] Added a third-party component based on the kubernetes service service discovery type;
[Source code construction] Go language adds support for Go 1.14, 1.15, and 1.16 versions of Runtime;
[Source code construction] The Go language adds new configuration for building modules and startup commands;
[Source code build] Added support for shell hooks during pre_build and post_build builds in Java, Go, PHP and other languages;
[Enterprise management] Added batch management capabilities for user teams and roles in user management;
[Enterprise management] A new function entry for opening a cluster has been added to the team management;
[Cluster installation] Support RKE cluster configuration to realize flexible adjustment of cluster node configuration;

[Performance] The application upgrade system is optimized, supporting batch upgrade of 100+ components;
[Performance] Optimize the installation of components from the app store, and support batch installation of 100+ components;
[Performance] Improve the topology map loading logic to speed up the topology map loading speed in large applications;
[Performance] Optimized the performance of the application-level lifecycle operation API in the case of a large number of components;
[Stability] The application gateway is optimized to solve the failure of the gateway memory leak caused by abnormal application access;
【Component Management】Environment variables and configuration group variables that support null values;
【Monitoring Alarm】Remove the wrong node health detection alarm policy;
[Component management] Refactor the implementation of the local storage type of components, and support the use of local storage components to reuse the scheduling strategy of the cluster;
[Internal component library] Added application model version management, which supports displaying version introductions on the release page;
[Component management] Support component setting custom host name resolution record;

[Source code construction] Fixed the failure that the .netcore source code construction task could not be completed;
[Console] Fixed the failure of gateway policy search function being unavailable;
[Source code build] Fix the fault that the source code build cannot be executed after the Maven configuration is deleted;
【Stability】Fixed gateway failure caused by incorrect gateway policy parameters;
【Component Management】Fix the failure of inconsistent number of component instances;
【Stability】Fixed the failure of rbd-worker system components restarting abnormally due to unstable etcd;
【Application Management】Fixed the failure of application backup unavailable when connecting to a non-HTTPS mirror repository;
[Cluster installation] Fix the fault that the certificate of the cluster mirror warehouse is inconsistent;

Support upgrade from version 5.3.0,upgrade reference documentation