5/24/18 update: New firmware 1.30 final available now!
Fixes audio popping (agian)!
Previous updates include:
-Fix for GG codes and also PAL RC Pro AM (maybe other PAL games too?)
-Adds interpolation - Reduces or eliminates the shimmer effect that can happen on non integer aspect ratios on some TVs.
-Bus timing/power fixes - Fixes crash issues for games like Xexyz, Abodox, and others
-Game Genie button settings corrupting after exit to menu fix
-Sprite overflow flag for extra sprites
Please send an e-mail if you have any issues with this new firmware. Make sure you include info like game played, if it was a real cart, pirate, flash cart, etc, and include as much info about the issue as you can.
Thanks!