Today a foreigner friend went to Thai immigration with a TM 30 to report his return to his home province after a trip over the new year holiday.
He was told all reporting requirements connected to TM30 are canceled. No more reporting of a return after leaving your home province.
This happened in Mahasarakham Province today, January 2nd.
TLDR : Answer Summary
Recent updates indicate that most Thai immigration offices have canceled the requirement to report TM30 for domestic travel, especially after returning to your home province. A foreigner reported this change in Mahasarakham Province, and comments suggest that while most locations are following this new rule, it's still advisable to check with your local immigration office for specific protocols.