src/site/_release-notes/_2.x.x.adoc

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[#release-notes-2-x-x]
== 2.x.x



This releases contains ...


[#release-notes-2-x-x-added]
=== Added

* Add a faster `ThreadContextMap` for web app users: `org.apache.logging.log4j.internal.map.StringArrayThreadContextMap`. (https://github.com/apache/logging-log4j2/pull/2330[2330])
* Add _"Plugin Reference"_ to the website. It is a Javadoc-on-steroids focusing on Log4j plugins. (https://github.com/apache/logging-log4j2/issues/1954[1954])

[#release-notes-2-x-x-changed]
=== Changed

* Fix usage of `log4j-api` in GraalVM without additional reachability data. (https://github.com/apache/logging-log4j2/pull/1539[1539])
* Add logging to `PropertiesUtil` and fix `Duration` parser. (https://github.com/apache/logging-log4j2/pull/1936[1936])
* Centralize initialization in the `Provider` class and deprecate `log4j2.loggerContextFactory` property. (https://github.com/apache/logging-log4j2/pull/2374[2374])
* Remove `log4j-kubernetes` lookup. User should migrate to https://github.com/fabric8io/kubernetes-client/blob/main/doc/KubernetesLog4j.md[`kubernetes-log4j`] (https://github.com/apache/logging-log4j2/pull/2412[2412])
* Deprecate `org.apache.logging.log4j.core.appender.rolling.action.Duration` class for removal.

[#release-notes-2-x-x-fixed]
=== Fixed

* Fix that parameterized message formatting throws an exception when there are insufficient number of parameters. It previously simply didn't replace the '{}' sequence. The behavior changed in 2.21.0 and should be restored for backward compatibility. (https://github.com/apache/logging-log4j2/pull/2380[2380])

[#release-notes-2-x-x-updated]
=== Updated

* Update `actions/checkout` to version `4.1.2` (https://github.com/apache/logging-log4j2/pull/2370[2370])
* Update `co.elastic.clients:elasticsearch-java` to version `8.13.1` (https://github.com/apache/logging-log4j2/pull/2437[2437])
* Update `com.fasterxml.jackson:jackson-bom` to version `2.17.0` (https://github.com/apache/logging-log4j2/pull/2372[2372])
* Update `com.github.luben:zstd-jni` to version `1.5.6-1` (https://github.com/apache/logging-log4j2/pull/2422[2422])
* Update `com.google.guava:guava` to version `33.1.0-jre` (https://github.com/apache/logging-log4j2/pull/2377[2377])
* Update `commons-io:commons-io` to version `2.16.0` (https://github.com/apache/logging-log4j2/pull/2430[2430])
* Update `commons-logging:commons-logging` to version `1.3.1` (https://github.com/apache/logging-log4j2/pull/2402[2402])
* Update `github/codeql-action` to version `3.24.9` (https://github.com/apache/logging-log4j2/pull/2403[2403])
* Update `io.netty:netty-bom` to version `4.1.108.Final` (https://github.com/apache/logging-log4j2/pull/2397[2397])
* Update `org.apache.activemq:activemq-broker` to version `6.1.0` (https://github.com/apache/logging-log4j2/pull/2387[2387])
* Update `org.apache.commons:commons-compress` to version `1.26.1` (https://github.com/apache/logging-log4j2/pull/2361[2361])
* Update `org.awaitility:awaitility` to version `4.2.1` (https://github.com/apache/logging-log4j2/pull/2386[2386])
* Update `org.mongodb:bson` to version `3.12.14` (https://github.com/apache/logging-log4j2/pull/2409[2409])
* Update `org.springframework:spring-framework-bom` to version `5.3.33` (https://github.com/apache/logging-log4j2/pull/2378[2378])