I will update the following folder for the updates:
http://bda.retroroms.net/downloads/mame/update/
mirror : https://mega.nz/#F!LUdhybaR!JTX1FUB7gZjBL_xqjoB00Q
Use his thread for added roms (from 0.186 official build to the next official release 0.187)
Don't search/post here for stuff that is already added to 0.186 official build or earlier!