PMD Release Notes

Table of Contents

31-October-2025 - 7.18.0-SNAPSHOT

The PMD team is pleased to announce PMD 7.18.0-SNAPSHOT.

This is a minor release.

🚀 New and noteworthy

Build Requirement is Java 17

From now on, Java 17 or newer is required to build PMD. PMD itself still remains compatible with Java 8, so that it still can be used in a pure Java 8 environment. This allows us to use the latest checkstyle version during the build.

🐛 Fixed Issues

core
- #4714: [core] Allow trailing commas in multivalued properties
apex
- #5935: [apex] @SuppressWarnings - allow whitespace around comma when suppressing multiple rules
apex-design
- #6022: [apex] ExcessiveClassLength/ExcessiveParameterList include the metric in the message
java-codestyle
- #5919: [java] ClassNamingConventions: Include integration tests in testClassPattern by default
- #6029: [java] Fix UnnecessaryCast false-negative in method calls
java-design
- #5569: [java] ExcessivePublicCount should report number of public “things”
java-documentation
- #6058: [java] DanglingJavadoc FP in module-info files
java-errorprone
- #5878: [java] DontUseFloatTypeForLoopIndices false-negative if variable is declared before loop
- #6075: [java] AssignmentInOperand false positive with lambda expressions
java-multithreading
- #5880: [java] DoubleCheckedLocking is not detected if more than 1 assignment or more than 2 if statements
misc
- #6012: [pmd-rulesets] Rulesets should be in alphabetical order

🚨 API Changes

Deprecations

java
- The following methods have been deprecated. Due to refactoring of the internal base class, these methods are not used anymore and are not required to be implemented anymore:

✨ Merged pull requests

#6021: [java] Fix #5569: ExcessiveImports/ExcessiveParameterList/ExcessivePublicCount include the metric in the message - UncleOwen (@UncleOwen)
#6022: [apex] ExcessiveClassLength/ExcessiveParameterList include the metric in the message - UncleOwen (@UncleOwen)
#6023: [test] Fix #6012: Alphabetically sort all default rules - Zbynek Konecny (@zbynek)
#6024: [java] Fix #5878: DontUseFloatTypeForLoopIndices now checks the UpdateStatement as well - UncleOwen (@UncleOwen)
#6029: [java] Fix UnnecessaryCast false-negative in method calls - Zbynek Konecny (@zbynek)
#6031: [java] Fix #5880: False Negatives in DoubleCheckedLocking - Lukas Gräf (@lukasgraef)
#6039: [core] Fix #4714: trim token before feeding it to the extractor - UncleOwen (@UncleOwen)
#6040: [java,apex,plsql,velocity] Change description of “minimum” parameter - UncleOwen (@UncleOwen)
#6043: [java] Reactivate deactivated test in LocalVariableCouldBeFinal - UncleOwen (@UncleOwen)
#6059: [java] Fix #6058: DanglingJavadoc FP in module-info files - Lukas Gräf (@lukasgraef)
#6061: [core] chore: Bump minimum Java version required for building to 17 - Andreas Dangel (@adangel)
#6071: [java] Fix #5919: Add integration tests to ClassNamingConventions testClassRegex - Anton Bobov (@abobov)
#6074: [apex] Fix @SuppressWarnings with whitespace around comma - Juan Martín Sotuyo Dodero (@jsotuyod)
#6078: [java] Fix #6075: Fix FP in AssignmentInOperandRule - UncleOwen (@UncleOwen)