Looks like STiD135 will have a replacement.
ST satellite business seems to be taken over by some new player - EASii IC.
They have announced EZiD211 (Oxford 2).
OXFORD 2 - EASii IC
EASii IC announces first silicon for its DVB-S2X satellite Modem ASIC
easii-ic.com
https://easii-ic.com/wp-content/uploads/2022/11/EZiD211-DATASHEET.pdf
source: http://www.tbsdtv.com/forum