RDR2 Rockstar Editor, also known as “Rockstar Editor”, is a special tool with which you can create music videos, edit videos, record trailers and even create real movies. Mention of this service was found in RDR2 files and as a result there is a good chance that it will appear in RDR2 in the future. It is not clear yet, whether it will be in the near future or the input of this tool is postponed indefinitely, but the fact of mentioning it is already good.
Here is what information has been found:
0x5295B946 = Max Streaming Replay Size
0x96CC2F3D = Rockstar Editor
0xBBF6A9FA = Bytes Per Replay Block
0x5B3AF9E3 = Save replay clip