Upgrade to PMD 6.17.0
Current version is 6.11.0.
We should be consistent with newer version. We are having issues with older version in Gearset regarding the ApexDoc rule.
The issue was described and discussed with Valerio in the chat.
We upgraded to 6.21.0 today. Thanks for the suggestion.
Kris Goncalves commented
They updated to 6.21 today.