- Support for optional display of line numbers in the buffer
- Emacs now uses double buffering to reduce flicker on the X Window
System
- Flymake has been completely redesigned
- TRAMP has a new connection method for Google Drive
- New single-line horizontal scrolling mode
- A systemd user unit file is provided
- Support for 24-bit colors on capable text terminals
There are many more changes; for a summary see the etc/NEWS file,
which you can view from Emacs with `C-h n'.
For the complete list of changes and the people who made them, see the
various ChangeLog files in the source distribution. For a summary
of all the people who have contributed to Emacs, see the etc/AUTHORS
file.