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checkstyle-13.4.1-all.jar 2026-04-27 17.3 MB
checkstyle-13.4.1 source code.tar.gz 2026-04-27 8.1 MB
checkstyle-13.4.1 source code.zip 2026-04-27 14.6 MB
README.md 2026-04-27 2.5 kB
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Checkstyle 13.4.1 - https://checkstyle.org/releasenotes.html#Release_13.4.1

Bug fixes:

[#5460] - ImportOrder: option=under; doesn't allow empty line between 'import' and 'import static'. [#19641] - Add checks for OpenJDK Style §3.10 - Variable Declarations. [#19620] - Add checks for OpenJDK Style §3.14 - Literals. [#19619] - Add checks for OpenJDK Style §3.7 - Indentation. [#19617] - Add checks for OpenJDK Style §2 - Java Source Files. [#19662] - Add checks for OpenJDK Style §3.12 - Lambda Expressions. [#19559] - AnnotationLocation allows same-line parameterless annotation on class declarations (violates Google Style §4.8.5.2). [#19608] - False negative: VariableDeclarationUsageDistance does not flag variable usage inside try blocks. [#19682] - Add RECORD_DEF and COMPACT_CTOR_DEF to AtclauseOrder target in google_checks.xml.

Other Changes:
Conver test from XpathFilterElementTest to SuppressionXpathSingleFilterTest to use inlined config in Input files.
Remove '//ok' comments from it Input files.
Updating properties in Input files to mention all default properties.
Enforce file size on Java inputs.
Update documentation for new abstract methods in AbstractCheck.
Input files under `it` are not tested against `config/checkstyle-input-checks.xml`.
SarifLoggerTest.java to use verifyWithInlineConfigParserAndLogger.
Resolve CheckerFramework violations.
No documentation on how to write TreeWalkerFilter.
update tables in option page to have link to exact line of table.
Semaphore failure.
Fix PMD 7.1.0 Violations.
convert all wget to curls.
job no-error-pmd is failing with likely memory problem.
Resolve Suppressed SpotBugs False Positives.
Migrate Codenarc from currently compatible version v2.2.0 to latest release.
doc: wrap long lines in release notes.
Remove from whitelist file odd words that came from test imput files.
Define violation messages for all violations.
Move Intputs to non-compiled folders to let Idea to run test without compilation error.
Enable IntellijIdea inspection: 'throw' inside 'finally' block.
Improve examples of IndentationCheck.
validation.sh versions "xmlstarlet: command not found".
fix pitest in SuppressionsLoader.
Upgrade all scripts to groovy 3.0.17 or 5.x.
Source: README.md, updated 2026-04-27