Interestingly the amount of the enlargement depends upon the amount of resizing done beforehand.
Every tab switch adds the amount of rows and columns that the window has more than the default (80x24 for me). So if you resize to 81x25 every tab switch enlarges the window by one row and one column... -- Terminal resizes when changing tab https://launchpad.net/bugs/53157 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs