The IABM has been notified that a draft revision of an ETSI Standard relating to DVB-S2 extensions is available for comment. It is:
Part 2: DVB-S2 Extensions (DVB-S2X)
Digital Video Broadcasting (DVB);
Second generation framing structure, channel coding and modulation systems for Broadcasting,
Interactive Services, News Gathering and other broadband satellite applications; Part 2: DVB-S2 Extensions (DVB-S2X)
The draft is available here, the comment date deadline is 2021-06-25.