We are preparing an update for jv16 PowerTools and the translation interface has changed. There might still be more changes before the release, but for now, the updated translation files are here:
https://jv16powertools.com/downloads/TranslationHelper.zip
If you wish your updated translation files to be included to the official release, please send the updated translation files to me jouni.flemming@macecraft.com or via https://macecraft.zendesk.com/hc/en-us/
Thank you!