The plugin contains tabular markup on some form elements and will probably present issues with the tables-to-divs changes in https://issues.jenkins-ci.org/browse/JENKINS-62437

At least the following files may be affected:

• https://github.com/jenkinsci/warnings-ng-plugin/blob/master/plugin/src/main/resources/issues/publish-parameters.jelly
   

• https://github.com/jenkinsci/warnings-ng-plugin/blob/e07b7ad4254f3b703ef212bb523e493c609b4e18/plugin/src/main/resources/io/jenkins/plugins/analysis/warnings/tasks/OpenTasks/config.jelly#L13
• https://github.com/jenkinsci/warnings-ng-plugin/blob/master/plugin/src/main/resources/issues/select-tools.jelly

Some migration recipes can be found on https://www.jenkins.io/doc/developer/views/table-to-div-migration/