The unofficial v9.1.0 update for Pokémon Glazed is primarily a bug-fix and maintenance release
: All Pokémon stats and most move properties (power, accuracy, and PP) have been updated to match Generation VII. pokemon glazed 910 exclusive
The "exclusive" aspect suggests that this particular version (9.1.0) was not widely distributed on mainstream ROM sites. Instead, it was reportedly shared among a private testing group or a specific community (like a Discord server with 910 members, or a forum thread from September 10th—9/10). The Crown Jewel of ROM Hacks: A Deep
Use tools like Lunar IPS or NUPS to apply the patch to your clean Emerald ROM. Use a Patcher: Use tools like Lunar IPS