The Apache Maven team is pleased to announce the release of the Apache
Maven Checkstyle Plugin, version 3.1.0

The Checkstyle Plugin generates a report regarding the code style used by
the developers. For more information about Checkstyle, see

This version of the plugin uses Checkstyle 8 by default, requires
Java 8 and it does not support Checkstyle 6 anymore.

You should specify the version in your project's plugin configuration:


You can download the appropriate sources etc. from the download page:

Release Notes - Maven Checkstyle Plugin - Version 3.1.0

** Bug
    * [MCHECKSTYLE-323] - usage of checkstyle 7.0 (jdk8 is required)
    * [MCHECKSTYLE-344] - StringIndexOutOfBoundsException in RuleUtil
    * [MCHECKSTYLE-347] - StringIndexOutOfBoundsException when
checkstyle.violation.ignore set to empty value
    * [MCHECKSTYLE-365] - Site Report, Rules: Violation count incorrect for
duplicate rules when one uses default severity

** Improvement
    * [MCHECKSTYLE-326] - Running mvn install works first time second it
does not
    * [MCHECKSTYLE-350] - Lock version of animal-sniffer-maven-plugin
    * [MCHECKSTYLE-353] - Don't resolve any dependencies
    * [MCHECKSTYLE-374] - Replace deprecated methods in Checkstyle
    * [MCHECKSTYLE-375] - Upgrade all test XML doctypes

** Dependency upgrade
    * [MCHECKSTYLE-349] - Upgrade to parent pom 31
    * [MCHECKSTYLE-359] - Upgrade maven-plugins parent to version 32
    * [MCHECKSTYLE-360] - Upgrade maven-site-plugin to 3.7.1 for
integration tests
    * [MCHECKSTYLE-366] - Upgrade checkstyle to a more recent version


-The Apache Maven team

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