SUMMARY Selections don't work vertically. STEPS TO REPRODUCE 1. Make a selection mask with any tool. 2. Transform it > Expand it OBSERVED RESULT Doesn't get expanded vertically. EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: 10 ADDITIONAL INFORMATION It also occurs with similar working tools like the Bucket.
You can download Krita Plus version to get it working again. *** This bug has been marked as a duplicate of bug 414647 ***