PMD Release Notes

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??-?????-2021 - 6.34.0-SNAPSHOT

The PMD team is pleased to announce PMD 6.34.0-SNAPSHOT.

This is a minor release.

New and noteworthy

New rules

• The new Java rule UseStandardCharsets finds usages of Charset.forName, where StandardCharsets can be used instead.

  This rule is also part of the Quickstart Ruleset (rulesets/java/quickstart.xml) for Java.

• The new Java rule UnnecessaryImport replaces the rules UnusedImports, DuplicateImports, ImportFromSamePackage, and DontImportJavaLang.

  This rule is also part of the Quickstart Ruleset (rulesets/java/quickstart.xml) for Java.

Deprecated rules

• java-bestpractices
  • UnusedImports: use the rule UnnecessaryImport instead
• java-codestyle
  • DuplicateImports: use the rule UnnecessaryImport instead
  • DontImportJavaLang: use the rule UnnecessaryImport instead
• java-errorprone
  • ImportFromSamePackage: use the rule UnnecessaryImport instead

Fixed Issues

• apex-performance
  • #3198: [apex] OperationWithLimitsInLoopRule: Support more limit consuming static method invocations
• java-bestpractices
  • #3190: [java] Use StandardCharsets instead of Charset.forName
  • #3224: [java] UnusedAssignment crashes with nested records
• java-codestyle
  • #3128: [java] New rule UnnecessaryImport, deprecate DuplicateImports, ImportFromSamePackage, UnusedImports
• java-errorprone
  • #2757: [java] CloseResource: support Lombok’s @Cleanup annotation
  • #3169: [java] CheckSkipResult: NPE when using pattern bindings

API Changes

External Contributions

• #3193: [java] New rule: UseStandardCharsets - Andrea Aime
• #3198: [apex] OperationWithLimitsInLoopRule: Support more limit consuming static method invocations - Jonathan Wiesel