"that temporarily limits arbitrary data in transactions:"
While that might be the goal and certainly gets claimed equally by others, all the big offenders already switched to be bip110 compatible. Even Citrea switched.
"the 83-byte OP_RETURN ceiling restored"
Bitcoin never had any such ceiling. The network policy limiting OP_RETURN was without effect as Libre Relay routed around that. To claim there was a limit looks like lacking understanding of consensus rules.
