Get it from the usual places:
Patches for 21.0:
The 21.2-beta3 tarballs:
The patch for 21.0 should be applied against a virgin 21.0-pre14
"Poitou" release. If you have applied previous prepatches, please
reverse them before applying this patch.
Also from CVS:
These releases should have the problems with automated package
fetching from ftp.xemacs.org
worked out. If they don't scream bloody
murder and we'll fix the problems.
All 21.0 bugfixes are present in 21.2-b3.
to 21.2 beta3 "Aglaia"
-- case sensitiveness improvements from Didier Verna
-- Bug fixes from 21.0
-- Word selection on mouse click on quotes from Hrvoje Niksic
-- WAVE support for NAS from Raymond Toy
to 21.0 "Pyrenean"
-- Fix auto-save-directory-fallback hardcoding at dump time from Jan Vroonhof
-- Package loading fixes from Greg Klanderman
-- Package Tool Finishing Touches from Jan Vroonhof
-- package-get-base.el removed from the core
-- BS/DEL fix from Glynn Clements
-- Tty vertical divider width now defaults to 1 instead of 0
-- MS Windows toolbar fixes from Jonathan Harris
-- Fix for XtDisplay being called with stale widget from Takeshi Hagiwara
-- Fixes for Cygwin b20 from Andy Piper
-- Package UI fetching improvements from Greg Klanderman
-- isearch regexp pruning bugfix from Hrvoje Niksic
-- package deletion fixes from Jan Vroonhof
-- gnuclient fix from Jan Vroonhof