Found out the Smart Indent and Smart Tab plugin were the culprits. I'll leave this up for reference for anyone else who might run across this problem.
-- Gedit resets tabwidth on save https://bugs.launchpad.net/bugs/551347 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gedit in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs