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Bump log4j.version from 2.25.4 to 2.26.0#1480

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May 12, 2026
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Bump log4j.version from 2.25.4 to 2.26.0#1480
rowleya merged 1 commit into
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dependabot/maven/log4j.version-2.26.0

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@dependabot dependabot Bot commented on behalf of github May 11, 2026

Bumps log4j.version from 2.25.4 to 2.26.0.
Updates org.apache.logging.log4j:log4j-bom from 2.25.4 to 2.26.0

Release notes

Sourced from org.apache.logging.log4j:log4j-bom's releases.

2.26.0

This minor release delivers all the fixes in the [2.25.0, 2.25.4] version range, plus some new fixes, and several other improvements and features.

Added

  • Add a new ConfigurationFactory::getConfiguration method accepting multiple URIs (#3775, #3921)
  • Add and export org.apache.logging.log4j.core.pattern.NamedInstantPattern enabling users to programmatically access named date & time patterns supported by Pattern Layout (#3789)
  • Add log4j.plugin.processor.minAllowedMessageKind annotation processor option to PluginProcessor to filter diagnostic messages by severity. This allows builds that treat compiler notes as errors (e.g. Maven with -Werror) to suppress informational notes emitted during normal plugin processing. (apache/logging-log4j2#3380, #4063)
  • Add missing setters to Rfc5424LayoutBuilder

Changed

  • Ensure scripts in the global Scripts element have explicit names by throwing a ConfigurationException for unnamed ones. (#3176)
  • Simplify file manager registry factory methods (#3968)

Deprecated

  • Deprecated withers in builder classes in favor of setters. This change improves API consistency with Log4j Core 3 and helps users adapt to the upcoming changes. (#3750)

Fixed

  • Fix script resolution failure when the Scripts element is placed after a ScriptRef in the configuration. (#3336)
  • Fix ArrayIndexOutOfBoundsException thrown by ThrowableStackTraceRenderer when the stack trace is modified concurrently (#3940, #3955)
  • Fix SLF4JLogger.atFatal() returning atLevel(Level.TRACE) instead of atLevel(Level.FATAL). This was causing FATAL-level log events to be silently discarded when using the fluent API through the log4j-to-slf4j bridge. (#4068, #4089)
  • Fix Javadoc references across module boundaries (i.e., cross-references) (#4099, #4100)
  • Fix header write in RollingRandomAccessFileManager that was being incorrectly skipped if append=true and the file didn't exist before
  • Fix a properties file configuration regression caused by not referenced loggers, appenders, and filters (#4036, #4069)

Removed

  • Remove the jvmrunargs lookup. (#3874)

Updated

  • Update org.junit:junit-bom to version 5.13.4 (#3850)
  • Update org.mongodb:bson to version 5.6.1 (#3961)
  • Update org.xerial.snappy:snappy-java to version 1.1.10.8 (#3841)
Commits
  • c1ad2a6 Update the project.build.outputTimestamp property
  • 8b3a799 Set version to 2.26.0
  • 96486eb Merge remote-tracking branch 'origin/2.x' into release/2.26.0
  • 8243257 Add documentation for MessageRewritePolicy (#4042)
  • 2a15414 Add documentation pointer to the Async HTTP Appender of more-log4j2 (#4062)
  • b178cb1 Switch CI to gha/v0 and remove Develocity (#4108)
  • 23321de Remove changelog entries for already released changes
  • def55fc Add .release.xml and .release-notes.adoc.ftl
  • 0e019f2 Move changelog entries
  • a487a5d Tidy up changelog
  • Additional commits viewable in compare view

Updates org.apache.logging.log4j:log4j-api from 2.25.4 to 2.26.0

Updates org.apache.logging.log4j:log4j-slf4j2-impl from 2.25.4 to 2.26.0

Updates org.apache.logging.log4j:log4j-core from 2.25.4 to 2.26.0

Updates org.apache.logging.log4j:log4j-jul from 2.25.4 to 2.26.0

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Bumps `log4j.version` from 2.25.4 to 2.26.0.

Updates `org.apache.logging.log4j:log4j-bom` from 2.25.4 to 2.26.0
- [Release notes](https://github.com/apache/logging-log4j2/releases)
- [Changelog](https://github.com/apache/logging-log4j2/blob/2.x/RELEASE-NOTES.adoc)
- [Commits](apache/logging-log4j2@rel/2.25.4...rel/2.26.0)

Updates `org.apache.logging.log4j:log4j-api` from 2.25.4 to 2.26.0

Updates `org.apache.logging.log4j:log4j-slf4j2-impl` from 2.25.4 to 2.26.0

Updates `org.apache.logging.log4j:log4j-core` from 2.25.4 to 2.26.0

Updates `org.apache.logging.log4j:log4j-jul` from 2.25.4 to 2.26.0

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-bom
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j2-impl
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-jul
  dependency-version: 2.26.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added bug Something isn't working dependabot Automatic PR by dependabot minor Low priority labels May 11, 2026
@dependabot dependabot Bot requested review from Christian-B and rowleya as code owners May 11, 2026 21:30
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coverage: 36.3% (-0.01%) from 36.313% — dependabot/maven/log4j.version-2.26.0 into master

@rowleya rowleya added this pull request to the merge queue May 12, 2026
Merged via the queue into master with commit cc33c28 May 12, 2026
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@dependabot dependabot Bot deleted the dependabot/maven/log4j.version-2.26.0 branch May 12, 2026 06:50
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