Changes by Version

Release Notes.

9.4.0

Upgrade nats plugin to support 2.16.5
Add agent self-observability.
Fix intermittent ClassCircularityError by preloading ThreadLocalRandom since ByteBuddy 1.12.11
Add witness class/method for resteasy-server plugin(v3/v4/v6)
Add async-profiler feature for performance analysis
Support db.instance tag,db.collection tag and AggregateOperation span for mongodb plugin(3.x/4.x)
Improve CustomizeConfiguration by avoiding repeatedly resolve file config
Add empty judgment for constructorInterceptPoint
Bump up gRPC to 1.68.1
Bump up netty to 4.1.115.Final
Fix the CreateAopProxyInterceptor in the Spring core-patch to prevent it from changing the implementation of the Spring AOP proxy
Support Tracing for GlobalFilter and GatewayFilter in Spring Gateway
[doc] Enhance Custom Trace Ignoring Plugin document about conflicts with the plugin of sampler plugin with CPU policy
[doc] Add Spring Gateway Plugin document
[doc] Add 4 menu items guiding users to find important notices for Spring Annotation Plugin, Custom Trace Ignoring Plugin, Kotlin Coroutine Plugin, and Spring Gateway Plugin
Change context and parent entry span propagation mechanism from gRPC ThreadLocal context to SkyWalking native dynamic field as new propagation mechanism, to better support async scenarios.
Add Caffeine plugin as optional.
Add Undertow 2.1.7.final+ worker thread pool metrics.
Support for tracking in spring gateway versions 4.1.2 and above.
Fix ConsumeDriver running status concurrency issues.

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