I will update the following folder for the updates (from official 0.274 to the next official release 0.275):
https://bda.retroroms.net/downloads/mame/update/
https://mega.nz/folder/PRlA3arI#6-UrjpU0bl5MbXZMUAprMA
Don't search/post here stuff that is already added to 0.274 or earlier!