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checkstyle-13.7.0-all.jar 2026-06-28 17.4 MB
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Checkstyle 13.7.0 - https://checkstyle.org/releasenotes.html#Release_13.7.0

New:

[#20357] - UnusedLocalVariable: new property jdkVersion to allow unused named pattern matching variables for pre-Java 22 code. [#19148] - update MissingJavadocMethodCheck to use AST of javadoc. [#19144] - update JavadocMethod to use AST of javadoc. [#19889] - OverloadMethodsDeclarationOrder: new property required to order overloaded methods according to increasing parameter count.

Bug fixes:

[#20395] - Javadoc parse error on @link label containing Java array initializer braces. [#20452] - Add checks for OpenJDK style §4.6 - Constants. [#20462] - Fix default property validation in InlineConfigParser. [#20437] - Add checks for Openjdk style §3.8.3 - Wrapping Expressions. [#19629] - Add checks for OpenJDK Style §3.5 - Modifiers. [#20428] - Add checks for OpenJDK §3.4 - Class structure. [#19623] - Add checks for OpenJDK Style §3.3 - Import statements. [#20271] - UnnecessarySemicolonAfterTypeMemberDeclarationCheck: trailing semicolon after nested type not flagged in compact source files (JEP 512). [#20223] - DeclarationOrderCheck: declaration order not enforced on top-level members in compact source files (JEP 512). [#20219] - AnnotationLocationCheck: annotation on top-level variable not flagged in compact source files (JEP 512). [#19805] - Add checks for OpenJDK Style §3.4.1 - Order of Constructors and Overloaded Methods. [#20269] - UnnecessarySemicolonAfterOuterTypeDeclarationCheck reports false positive on JEP 512 compact source files. [#20391] - Javadoc parse error while parsing formatted @value. [#19915] - Documentation Comments Style Guide - Required Tags. [#19972] - RequireThisCheck: NullPointerException on compact source files (JEP 512). [#20385] - Add checks for OpenJDK Style §4.2 - Class, Interface and Enum Names. [#20217] - InvalidJavadocPositionCheck: false positive on correctly-placed Javadoc in compact source files (JEP 512). [#20093] - Add checks for OpenJDK Style §3.13 - Redundant Paranthesis. [#20268] - OuterTypeNumberCheck reports false positive on JEP 512 compact source files. [#20283] - Javadoc parse error for generic outer class inner-class link. [#19835] - Documentation Comments Style Guide - First Sentence.

Other Changes:
Updating properties in Input files to mention all default properties.
Remove CirrusCI since it has shut down.
Move violation comments out of Javadoc for all input files.
Enforce file size on Java inputs.
Fix xdocs Examples AST Consistency Test (Reduce suppressions list).
Use violation message pattern 'first line'.
Xdocs examples should reject violation comments between annotations and declarations.
Add client-side search functionality to Checkstyle documentation website.
Move violation comments above of annotated methods.
Update XdocsPagesTest for sun_checks.xml to use chapterwise testing.
doc: removed contribution guidelines in CONTRIBUTING.md and fixed build instructions hyperlink in README.md.
Add 'first line' and 'last line' violation hint patterns to InlineConfigParser.
Organize openrewrite staticanalysis composite recipes by groups as it is done on openrewrite website.
Source: README.md, updated 2026-06-28