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 Ubuntu Desktop Bugs, 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 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
