+2022 March changes of note:
+ A new script, bld_appimage.sh, includes rework of linuxdeploy
+ in order to create appimages for aarch64 and armhf + x86_64/i686.
+ Context Help for the Shuttle has been improved for reliability.
+ New lossless render format for vp9 was added.
+ BSD compiled CinGG for version 13.0 and 12.3 is available.