MAME 0.235 was released in August 2021. While "useful paper" isn't a standard term for ROM sets, you are likely looking for the Full Non-Merged ROM set or the specific XML datfile used to verify and manage the collection for that version. Key Resources for MAME 0.235 (2021)
In 2021, the conversation around ROM legality was as heated as ever. mame 0235 roms 2021
(Unencrypted): For years, only a "bad" or encrypted version of this Sega classic was available. The surfacing of an unencrypted version in 0.235 ended a major saga in the preservation community. Bubble Buster MAME 0
Released in late August 2021, MAME 0.235 focused heavily on accuracy and expanding support for obscure systems. Some of the highlights included: (Unencrypted): For years, only a "bad" or encrypted