Drops ENSIME.
Fewer symbol overlays.
Highlight current symbol and easily navigate to surrounding occurrences.
Enable flycheck globally.
Tweaks to gtags setup to use ctags as a source.
Don't set LC_ALL to utf-8, seems to slow down compile-mode significantly.
Less automatic disabling of god-mode.
Different colors for highlighting mode switches.
Trying C-; for jumping.
Try . and / for jumping to surrounding occurrences in isearch without modifiers.