Merge branch 'master' into sdl2.0

docs/CHANGES.txt

@@ -8,6 +8,13 @@ http://www.tuxpaint.org/
 
 
 2022.June.14 (0.9.29)
+  * Bug Fixes:
+    ----------
+    * Opening and immediately dismissing Color Mixer could cause
+      an unexpected color to be chosen.
+      h/t @kentonyanamin on Twitter for reporting.
+      Closes https://sourceforge.net/p/tuxpaint/bugs/251/
+
   * Other Improvements:
     -------------------
     * Automatic button size option ("buttonsize=auto"), to scale button

docs/RELEASE.txt

@@ -1,5 +1,5 @@
 Release checklist for Tux Paint
-Last updated 2021-02-05 -bjk
+Last updated 2022-06-14 -bjk
 
 During development
 ------------------
@@ -31,6 +31,9 @@ a .tar.gz source tarball, and making the tarball available for download.
    * Changelog
      * docs/CHANGES.txt
 
+   * Metainfo file: (add entry for new version's changes)
+     * org.tuxpaint.Tuxpaint.metainfo.xml.in
+
    * Other Documentation
 
      NOTE: As of Tux Paint 0.9.26, most of the documentation