As the link of comment 3 is no longer available, I searched for e new workaround. For me deactivating "Apply colours to non-QT applications" in System settings -> Colour -> Options fixes the issue in KDE plasma 5.7.5. Maybe this should be deactivated by default?
-- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to gimp in Ubuntu. https://bugs.launchpad.net/bugs/1515829 Title: Gimp tooltip text color is white on white To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1515829/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp