Hello,
with 11.2 and now with 11.3 (using KDE4) i got two issues with emacs:
- The emacs window doesn’t properly snap to other windows. There is mostly a small gap inbetween.
- When switching between buffers with C-x b the emacs window shrinks vertically from below!
This latter problem, does it occur when you have a tool bar? (Option “Options - Show/Hide - Tool-Bar” checked)
Try and hide the tool bar, and see if the problem persists.