I've confirmed the problem won't be reproduced after applying https://bitbucket.org/arakiken/mlterm/commits/a6e36763fc52cb27886c61facdee2014aca1aa3d on my Ubuntu environment. Thanks!
I've confirmed the problem is gone after applying https://bitbucket.org/arakiken/mlterm/commits/a6e36763fc52cb27886c61facdee2014aca1aa3d on my Ubuntu environment. Thanks!
sixel output corruption with longcat