GNU Emacs NEWS -- history of user-visible changes.

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This file is about changes in Emacs version 31.

See file HISTORY for a list of GNU Emacs versions and release dates.
See files NEWS.30, NEWS.29, ..., NEWS.18, and NEWS.1-17 for changes
in older Emacs versions.

You can narrow news to a specific version by calling 'view-emacs-news'
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Temporary note:
+++ indicates that all relevant manuals in doc/ have been updated.
--- means no change in the manuals is needed.
When you add a new item, use the appropriate mark if you are sure it
applies, and please also update docstrings as needed.


* Installation Changes in Emacs 31.1


* Startup Changes in Emacs 31.1


* Changes in Emacs 31.1

** Tab Bars and Tab Lines

*** New abnormal hook 'tab-bar-auto-width-functions'.  This hook
allows you to control which tab-bar tabs are automatically resized.

*** The 'tab-bar-auto-width-faces' variable is now obsolete.
Use 'tab-bar-auto-width-functions' instead.


* Editing Changes in Emacs 31.1


* Changes in Specialized Modes and Packages in Emacs 31.1

** Whitespace

---
*** 'whitespace-cleanup' now adds missing newline at end of file.
If 'whitespace-style' includes 'missing-newline-at-eof (which is the
default), the 'whitespace-cleanup' function will now add the newline.


* New Modes and Packages in Emacs 31.1


* Incompatible Lisp Changes in Emacs 31.1


* Lisp Changes in Emacs 31.1


* Changes in Emacs 31.1 on Non-Free Operating Systems

---
** Process execution has been optimized on Android.
The run-time performance of subprocesses on recent Android releases
where a userspace executable loader is required has been optimized on
systems featuring Linux 4.8.0 and above.


----------------------------------------------------------------------
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You should have received a copy of the GNU General Public License
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