As far as I tested, all rendering of ffmpeg h264 failed but only 1 of the 10 loads of x264 files created on another computer failed (reindeerr.mkv). There are probably other things that might fail when editing an h264 type file but I do not know for sure. The 64-bit version of debian 11 does not fail. I guess it is safe to say, no one is using the 32-bit debian 9.1 version. Maybe Andrew can put his search moxie in play and find a patch.
2. Created a Desktop_icon folder in the download area of the website to make it easy for users of AppImage to make a desktop icon for CinGG. It is documented in the manual but no easy access to the 3 needed files.
3. Put the audiofile patch in the correct subdirectory in GIT source as Andrew pointed out and then just today deleted the one in the wrong place (so I hope it is automatic and not extra work for Andrey's builds).