https://cinelerra-gg.org/download/CinelerraGG_Manual.pdf
http://g-raffa.eu/Cinelerra/HOWTO/basics.html
.
+2022 December changes of note:
+ Minor fixes have been added and Help from the Manual updated.
2022 November changes of note:
New render format - h264-rgb.mp4 fixes problem in OBS 28.
Alpha channel fix when using nested or reference EDL and