Yeah, that’s how I see it too, but I’m no expert on this stuff. Take a look at the official draft for version 30. https://stacker.news/items/1222557

0xbitcoiner

It can be overridden with -datacarriersize=83 to revert to the limit enforced in previous versions.

https://bitcoin.stackexchange.com/questions/127895/implications-of-op-return-changes-in-upcoming-bitcoin-core-version-30-0/127903#127903

It is marked deprecated, which means the option is expected to be removed in a future version, but given the current political dispute around it, I do not expect that will happen any time soon.

bitcoin

Can I run Bitcoin Core 30 in mode 29?

anon

So that would be 83:

> It can be overridden with -datacarriersize=83 to revert to the limit enforced in previous versions.

from https://bitcoin.stackexchange.com/questions/127895/implications-of-op-return-changes-in-upcoming-bitcoin-core-version-30-0/127903#127903

> It is marked deprecated, which means the option is expected to be removed in a future version, but given the current political dispute around it, I do not expect that will happen any time soon.