Release v2.2.2

📈 Improvements

• Improve the performance while select Nacos as configuration center. Issue #1769
• Support ignore the classes loaded by specific ClassLoaders in bytecode enhancement. Issue #1772

🙇 Thank you

This release thanks the following contributors for their pull requests:

@lilai23
@provenceee
@SunJiFengPlus

Release v2.2.1

📈 Improvements

• Add feign client tag transmission plugin. Issue #1737
• Support dubbo3.x rateLimiting/circuitBreaker. Issue #1746

🐞 Fixes

• Fix classes can not be loaded correctly when ContextClassLoader does not exist. Issue #1732
• Fix the support for Okhttp2 v2.2.0 in xDS flow control. #1742
• Fix retry time is incorrect with HttpUrlConnection in xDS flow control. #1742
• Fix the support for millisecond-level time in xDS flow control. #1742
• Fix some retry conditions are inconsistent with Istio in xDS flow control. #1742
• Fix the support for RocketMq retry-topic SQL filtering messages in message gray plugin. #1748
• Fix the routing metric collection flag is not set in xds router. #1754
• Update netty handler version. #1763

🙇 Thank you

This release thanks the following contributors for their pull requests:

@chengyouling
@daizhenyu
@hanbingleixue
@lilai23
@provenceee
@SunJiFengPlus

Release v2.2.0

⭐ Feature

• Support obtaining flow control configuration issued through Istio CRD configuration based on the xDS protocol. Issue #1604
  (1) Support obtaining the flow control configuration of the Istio control plane based on the xDS protocol.
  (2) Support flow control using xDS flow control configuration.
• Support installing external Agent . Issue #1705
  (1) Support for installing external agents, including compatibility support for opentelemetry.
  (2) Support static mounting of external agents through the -javaagent command or Sermant Injector.
  (3) Support dynamic mounting of external Agents through script or Sermant Backend.
• Support Nacos registry center in SpringBoot registry plugin. Issue #1714
• Support Prometheus monitoring on the Sermant.
  (1) Support providing metrics collection API interface. Issue #1445
  (2) Support providing default metric Tag. Issue #1707
  (3) Support collecting routing metrics in router plugins. Issue #1655

📈 Improvements

• Supports custom installation path when dynamically mounting plugins. Issue #1703
• Optimize the dynamic mounting script and add the dynamic mounting script to the Sermant Release package. Issue #1695
• Optimize xDS-based routing capability, achieving over 90% reduction in additional CPU resource consumption and call latency compared to Envoy. Issue #1680
• Optimize code and improve readability. Issue #1672
• Support for SpringBoot 3 in router plugin. Issue #1669

🐞 Fixes

• Fix the issue that the flow control plugin will throw an exception when calling downstream services with an uninitialized service name in microservices. Issue #1727
• Fix the issue that the tag transmission plugin fails to transmit tags in a cross-thread scenario in HikariDataSource. Issue #1718
• Fix Open-Source Software Vulnerabilities. Issue #1716
• Fix the issue the interception point of the mq grayscale plugin in RocketMQ client version 5.1 is invalid. Issue #1710
• Fix the issue that multiple dynamic mounts of Agent do not support different Agent paths. Issue #1687
• Fix the issue that the ClassLoader o Sermant loads the SPI implementation class of the parent class loader. Issue #1685
• Fix the issue that the tag transmission plugin may add the request header more than once. Issue #1674
• Fixed the issue that DefaultAdviser logs are output to the application console. Issue #1666
• Fix the issue that the tag transmission plugin will remove the current thread's traffic tag in Dubbo consumer side. Issue #1654
• Fix the issue that xds routing fails when okhttp2.2.0 is used. Issue #1647
• Fix the issue that HttpServletRequest cannot obtain InputStream in the router plugin. Issue #1646

🙇 Thank you

This release thanks the following contributors for their pull requests:

@chengyouling
@daizhenyu
@hanbingleixue
@hezhangjian
@lilai23
@provenceee
@rztao
@SunJiFengPlus
@xzhaoxz
@zwmagic

Release v2.1.2

📈 Improvements

• Optimize performance in xds routing scenarios and reduce additional CPU usage and call delays. Issue #1680

🐞 Fixes

• Fixed the issue where DefaultAdviser logs are output to the application console. Issue #1666
• Fixed the issue where the sermant-tag-transmission plugin repeatedly adds request headers. Issue #1674
• Fixed the issue where Sermant class loader loading implementation of SPI interface from parent class loader. Issue #1685
• Fixed the issue where multiple dynamic mounts do not support different agent directories. Issue #1687

Release v2.1.1

🐞 Fixes

• Fix the issue that xds routing fails when okhttp2.2.0 is used. Issue #1647
• Fix the issue that traffic label cannot be obtained from ThreadLocal when the traffic tag used for traffic route later. Issue #1654

Release v2.1.0

⭐ Feature

• Support Prometheus monitoring on the Sermant(beta). Issue #1445
  (1)Support collection of Sermant indicators.
  (2)Support providing API collection plugin indicators.
• Support rocketMq grayscale message. Issue #1539
• Support obtaining Istio routing and load balancing configurations based on the xDS protocol. Issue #1604
  (1)Support obtaining the routing and load balancing configuration of the Istio control plane based on the xDS protocol.
  (2)Support routing using xDS routing rule configuration.
• Supports hot plugging services on the Backend. Issue #1606
  (1)Support dynamic installation, uninstallation and update of plugins through Sermant Backend.
  (2)Support viewing hot plugging events of specified instances in Sermant Backend.

📈 Improvements

• Optimize configuration management services. Issue #1622
  (1)Supports rendering of configuration management page and configuration details page through plugin ui template.
• Upgrading open-source software versions. Issue #1637

🐞 Fixes

• Fix the issue of Nacos dynamic configuration. Issue #1584
• Fix the issue of failed parsing of Sermant empty collection configuration. Issue #1591
• Fix the issue of the service loading order is inconsistent with the SPI file definition order. Issue #1602
• Fix the issue of using the wrong time unit when the backend uses Redis to store heartbeats. Issue #1610
• Fix the issue of OutOfMemoryError when Backend uses Nacos as the configuration center。Issue #1613
• Fix the issue of backend sending webhook error when using redis to store events. Issue #1616
• Fix the issue of the consumer may send requests to the wrong instance in the graceful shutdown plugin. Issue #1589

Release v2.0.0

⭐ Feature

• Support xDS protocol to communicate with the Control Plane of Service Mesh. Issue #1515
  (1)Implements communication based on the xDS protocol and Istio data plane.
  (2)Implements the service discovery capability in the K8S scenario based on the CDS and EDS protocols.
  (3)In the Kubernetes scenario, the Sermant framework implements the service discovery capability based on the CDS and EDS protocols and provides an interface for the Sermant plugin to obtain service instances.
• Support configuration management on the sermant-backend. Issue #1528
  (1)Support configuration management on the sermant-backend page.
  (2)Support Zookeeper, Nacos, and Kie configuration centers.

📈 Improvements

• Refactor all packages to io.sermant to keep a consistent directory structure. Issue #1505
• Reconstruct the dynamic configuration service and provide services for the sermant-backend through a unified interface. Issue #1523
• Reduce startup time of sermant-agent. Issue #1541
• Support user-defined parameters on the attach command. Issue #1552
• Support English version for sermant-backend. Issue #1553
• Support the Redis cluster on the sermant-backend. Issue #1555

🐞 Fixes

• Fix the issue that the unit test of the springboot-registry plugin fails to be executed. Issue #1501
• Fix the issue that the plugin configuration fails to be dynamically loaded for the second time. Issue #1520
• Fix the issue that the ConfigSubscriber mode not support Map. Issue #1536
• Fix Open-Source Software Vulnerabilities. Issue #1558

📔 Documentation

• Translate code comments and documents into English. Issue #1466
• Add Licenses for project dependencies. Issue #1499

Release v1.4.1

🐞 Fixes

• Fixed issue of plugin config reload dynamically failure. Issue #1520

Release v1.4.0

⭐ Feature

• Supports data-layer middleware write prohibition. This capability can be enabled in multi-cloud and multi-active scenarios to ensure database data consistency Issue #1422
  (1) Support write operation prohibition on Mysql (JDBC: org.mariadb.jdbc:mariadb-java-client versions 2.4.2-2.7.x and 3.0.x-3.3.x)
  (2) Support write operation prohibition on PostgreSQL (JDBC: org.postgresql:postgresql 9.4.x and 42.0.x-42.11.x)
  (3) Support write operation prohibition on OpenGaussDB (JDBC:org.opengauss:opengauss-jdbc 3.0.x-3.1.x)
  (4) Support write operation prohibition on MongoDB (JDBC: org.mongodb:mongodb-driver-sync 3.7.x-3.11.x and 4.0.x-4.11.x)

📈 Improvements

• The routing plugin supports dubbo3.x Issue #1452

🐞 Fixes

• Fixed the issue that the dynamic configuration zone of the message queue consumption prohibition plugin does not take effect Issue #1409
• Fixed a stack overflow issue when using snakeyaml to convert dynamic configuration content to an object of the config class Issue #1464
• Fixed the Open Source Component Vulnerability of Sermant Issue #1479

E2E-Test

• Added the integration test of the message queue consumption prohibition plugin Issue #1461
• Added the integration test of the write prohibition plugin of the data layer middleware Issue #1400

Release v-cooperate-with-gala-gopher-beta

📈 Improvements

• Enhance the capability of the metric collection plugin.
  (1)The metric collection plugin supports SpringCloud metric collection. Issue #1402
  (2)The metric collection plugin supports MySQL metric collection. Issue #1420