release-chore: Update documentation for the 0.28.0 release.

Author: ivucica

ANNOUNCE

@@ -1,7 +1,7 @@
 1 ANNOUNCE
 **********
 
-This is version 0.27.0 of the GNUstep GUI Backend ('gnustep-back').
+This is version 0.28.0 of the GNUstep GUI Backend ('gnustep-back').
 
 1.1 What is the GNUstep GUI Backend?
 ====================================
@@ -20,28 +20,30 @@ easily ported to other display systems.
 Window's Systems.  It works via a DPS emulation engine to emulate the
 DPS functions required by the front-end system.
 
-1.2 Noteworthy changes in version '0.27.0'
+1.2 Noteworthy changes in version '0.28.0'
 ==========================================
 
-This release includes a few bugfixes.
+This release includes a few bugfixes and a huge rework of multi monitor
+handling.
 
-   * configure: Improve configuration.
-   * xlib: Improve xft font classes.
-   * x11: Enable drawing in secondary threads.
-   * x11: Better handling of atoms.  Method to get the window manager.
-   * opal: Improve colour handling
+   * Improved focus handling for WindowMaker interaction.
+   * Cursor improvements.
+   * Better handling of fonts with fontconfig.
+   * Simplify code that converts images for X11.
+   * art: Remove ftfont-old.m.
+   * Use Xrandr for multi monitor support.
 
 1.3 Where can you get it? How can you compile it?
 =================================================
 
-The gnustep-back-0.27.0.tar.gz distribution file has been placed at
+The gnustep-back-0.28.0.tar.gz distribution file has been placed at
 <ftp://ftp.gnustep.org/pub/gnustep/core>.
 
-   It is accompanied by gnustep-back-0.27.0.tar.gz.sig, a PGP signature
+   It is accompanied by gnustep-back-0.28.0.tar.gz.sig, a PGP signature
 which you can validate by putting both files in the same directory and
 using:
 
-     gpg --verify gnustep-back-0.27.0.tar.gz.sig
+     gpg --verify gnustep-back-0.28.0.tar.gz.sig
 
    Signature has been created using the key with the following
 fingerprint:

ChangeLog

@@ -1,3 +1,10 @@
+2020-04-05  Ivan Vucica  <[email protected]>
+
+	* ANNOUNCE:
+	* NEWS:
+	* README:
+	Updating documentation for the 0.28.0 release.
+
 2020-03-27 Fred Kiefer <[email protected]>
 
 	* Documentation/news.texi: Fill in some details for pending release.