Just seen, that this issue was named by end of last year. I need to probably update ColourSpace and PGenerator.
Yes, correct. As @liberator72 says, once you get the new PGenerator, it will work as before.
To be fair it was mentioned in the release notes at the time:
220.127.116.112 – incremental changes [Mon 15th Nov 2021]
-- Added variable Bit Depth to the Network Server
(Any 3rd Party application using the Network Server will need to be updated by the manufacturer)
PGenerator is one of the applications using the Network Server, so that's why it had to be updated.