This has already been on the libretro wiki for quite some time, but I think it might be a good idea to post it here too:
A.S.P. Air Strike Patrol:
The shadow under the aircraft is missing.
Hayazashi Nidan Morita Shougi 2:
Matches won’t start.
Mecarobot Golf:
The ground “wobbles” during gameplay. Flickering graphics.
Top Gear
Missing pixel garbage under the speed display. See #308
Fixed Issues:
Cho Aniki Bakuretsu Ranto-hen
Won't boot. fixed as of 099bd60
Circuit USA
Broken graphics. fixed as of c226228
Clayfighter
The clownface turns blue when it should stay white.. fixed as of 1ca15b4
Daffy Duck: The Marvin Missions
Random screen flickering. fixed as of 2142282
Dark Law
Garbage audio. Softlocks randomly. fixed as of fe60472
Doom:
Colored dots appear during gameplay. fixed as of 4345c20
Funaki Masakatsu Hybrid Wrestler – Tougi Denshou:
Corrupted graphics on the Pancrase logo screen. fixed as of 9b595b5
Joe and Mac 2
Often freezes when exiting a level on a dinosaur.
#660
JoJo no Kimyou na Bouken
Garbage characters show up during the intro fixed as of c96f6cd
Kat's Run - Zen-Nihon K-Car Senshuken
Graphical corruption during the gameplay demo. fixed as of d1b90dd
Kick Off
Garbage graphics fixed as of c96f6cd
Light Fantasy
Game doesn't save properly. fixed as of e4d08bb
M.A.C.S. Basic Rifle Marksmanship
Flickering graphics. fixed as of f139bf7
Marko's Magic Football
Crashes during the intro fixed as of 756ef37
Phalanx
Randomly freezes on the main menu. fixed as of d1b90dd
PowerFest 94 - Super Mario Kart
Won't boot. fixed as of 1c46c7a
Psycho Dream
Blank screen when starting a game.. fixed as of e3216ec
Secret of Evermore (PAL versions):
Randomly freezes when the background music changes. fixed. See https://board.byuu.org/viewtopic.php?f=8&t=2065
Speedy Gonzales: Los Gatos Bandidos:
Freezes when pressing a switch in the last level. fixed as of 3553650
Stunt Race FX
Garbage graphics on the course selection screen. fixed as of 044113b
SuperFX
Transparency issues. See: #289 fixed as of bd9db57
Super Punch-Out!!
Crashes during the Mad Clown fight. fixed as of 070d5e5
Super Pinball - Behind the Mask
Black screen after selecting a table. Heavy audio screeching. fixed as of fe60472