The regression is visible with on the boot sequence, the CD player and in-game.
An example here, visible on the right part of the logo & the Neo Geo CD font.
EDIT : Typo.
A second user reports the same problem on Discord.
The core was compiled from the source code on Quartus Lite 17.1 for me & the other user have used the AutoBuild one on Discord (unstable nightlies).
After commit https://github.com/MiSTer-devel/NeoGeo_MiSTer/commit/90a8350c4e7fafb64067cf777b58a93bc7511fdc, the Neo Geo CD part of the core is having flickering pixels on-screen.
The regression is visible with on the boot sequence, the CD player and in-game.
An example here, visible on the right part of the logo & the Neo Geo CD font.
EDIT : Typo. A second user reports the same problem on Discord. The core was compiled from the source code on Quartus Lite 17.1 for me & the other user have used the AutoBuild one on Discord (unstable nightlies).