| ID | | | Version | Driver | Category [?] | Severity [?] | Status [?] | Updated | Summary | Tester |
| 07990 | 1 | | 0.232 | | Documentation | Trivial | Acknowledged | Jul 2, 2021 | Apple2 Softlists: IIgs sets placed on the apple2 softlist | ArcadeHistory |
| 08011 | 1 | 7 | 0.232 | | Misc. | Minor | Acknowledged | Jul 2, 2021 | ddp2 and clones: Desyncs on inp playback | Kale |
| 00874 | | 5 | 0.36b4 | | Graphics | Minor | Confirmed | Jul 2, 2021 | astormbl: There are some garbage graphics in the later shooting gallery stage. | YMI |
| 08014 | | 4 | 0.232 | | Documentation | Trivial | Closed | Jul 1, 2021 | tekken5, tekken51 and clones: Release year is wrong | PepsiBoy428 |
| 08016 | | | 0.232 | | DIP/Input | Minor | Resolved (Tafoid) | Jun 28, 2021 | bigtwinb: Controls Axis Swapped X and Y | Tafoid |
| 08015 | 2 | 1 | 0.232 | | DIP/Input | Trivial | Resolved (Steve Coomber) | Jun 28, 2021 | chanbara: The left and right joystick inputs are reversed | jkburks |
| 08013 | | 3 | 0.232 | | Gameplay | Minor | Acknowledged | Jun 27, 2021 | jpark: [possible] Wrong knock down animation order for Second T-Rex Boss. | alphabeta2 |
| 08012 | | | 0.232 | | Graphics | Minor | Resolved (Pernod) | Jun 26, 2021 | channelf (and clones?): Fairchild Channel F runs at wrong resolution | Atario |
| 07305 | 1 | 9 | 0.209 | | Sound | Minor | Resolved (AJR) | Jun 26, 2021 | dragon32, dragon64, dragon64h, dragon200, dragon200e: DAC sound not working | robcfg |
| 07538 | | 2 | 0.217 | | Misc. | Critical (emulator) | Resolved | Jun 23, 2021 | all sets using Y8950: AddressSanitizer: new-delete-type-mismatch | Firewave |
| 01066 | 2 | 2 | 0.114u4 | | Sound | Minor | Resolved | Jun 23, 2021 | YM2203 SSG-EG inaccuracy. | -Misc Reporters- |
| 08006 | 2 | 7 | 0.232 | | Sound | Major | Resolved (aaron) | Jun 23, 2021 | mslug: Background music has missing parts | stengun |
| 00965 | 1 | 7 | 0.61 | | Gameplay | Minor | Resolved | Jun 22, 2021 | f1dream: Points counter at the end of a game is broken. | Kale |
| 07996 | | 8 | 0.232 | | Sound | Minor | Resolved (aaron) | Jun 22, 2021 | nitd and bootleg, arcade and aes modes: Sound isn't correct when players character (gravedigger) lands on platform or floor after a jump action | Steve Coomber |
| 07914 | 1 | 3 | 0.229 | | Sound | Minor | Resolved (crazyc) | Jun 21, 2021 | vis: Sound effects will be played back as noise | halmako |
| 07912 | 6 | 5 | 0.229 | | Graphics | Minor | Resolved (crazyc) | Jun 21, 2021 | vis: Various graphic glitches for reference. | halmako |
| 07998 | | 15 | 0.232 | | DIP/Input | Minor | Resolved (hap) | Jun 17, 2021 | sf2049se: Pressing Y on XBOX One controller or Logitech G920 also presses Keypad digit #4 | PepsiBoy428 |
| 06568 | | | 0.185 | | Crash/Freeze | Critical (emulator) | Resolved (Robbbert) | Jun 17, 2021 | pofo: Mounting Atari Portfolio ROM card (rom) causes exception | Tafoid |
| 08009 | 3 | 2 | 0.232 | | Graphics | Minor | Confirmed | Jun 17, 2021 | finallap and clones, finalap2 and clones: At title screen, the background should fade to black. It only dims instead | Osso |
| 08007 | | 2 | 0.232 | | DIP/Input | Minor | Resolved (Osso) | Jun 15, 2021 | spangbl: Test Screen can't be accessed | ICEknight |
| 06604 | 1 | 1 | 0.186 | | Graphics | Minor | Resolved | Jun 15, 2021 | gradius4: Flip Screen (V) dipswitch doesn't completely flip text layer | Luigi30 |
| 08008 | | 2 | 0.232 | | Gameplay | Major | Resolved (galibert) | Jun 14, 2021 | esb: Game tends to soft reset during gameplay | Fungi66 |
| 06605 | 4 | 8 | 0.186 | | Gameplay | Critical (emulator) | Resolved | Jun 14, 2021 | gradius4: Crash during Test Mode Rom Check with -video d3d | Tafoid |
| 07968 | 1 | 5 | 0.231 | | Core | Minor | Resolved | Jun 13, 2021 | All machines in hornet.cpp: Sound devices fail self test | Osso |
| 08005 | | 3 | 0.232 | | Graphics | Minor | Acknowledged | Jun 13, 2021 | finalap2j: Japanese text shows up as garbled mess of graphics | Cow |
| 07256 | 2 | 2 | 0.207 | | Graphics | Minor | Resolved | Jun 13, 2021 | nbapbp: 2d graphics glitches | Hydreigon |
| 00125 | | 4 | 0.104u2 | | Graphics | Trivial | Resolved | Jun 13, 2021 | gradius4: 24KHz and 15KHz display issue. | AWJ |
| 08003 | | 5 | 0.232 | | DIP/Input | Minor | Resolved (Steve Coomber) | Jun 13, 2021 | quartet and clones: The default fire and jump buttons are mapped differently between quartet and quartet 2 | Steve Coomber |
| 07000 | | 7 | 0.198 | | Gameplay | Major | Resolved (galibert) | Jun 10, 2021 | tinstar: Tinstar - Tripping over invisible barrel? | rcoltrane |
| 05385 | | 4 | 0.151 | | Gameplay | Major | Resolved (Kale) | Jun 9, 2021 | downtown: After entering a high score, the high scores are reset to zero | murve33 |
| 05556 | | 12 | 0.153 | | Interface | Minor | Resolved | Jun 8, 2021 | mame -verifyroms lists nonexistent roms / clones as bad | Klez |
| 07992 | | 2 | 0.230 | | Graphics | Minor | Resolved (galibert) | Jun 8, 2021 | junofrst: No screen colour change during key actions | Simbabbad |
| 03067 | 1 | 5 | 0.130u1 | | Graphics | Minor | Resolved (galibert) | Jun 8, 2021 | leprechn, leprechp, potogold: Graphics corruption during Rainbow Screen | Tafoid |
| 04429 | 1 | 4 | 0.143u1 | | Misc. | Minor | Confirmed | Jun 7, 2021 | polepos: playback of inp incorrect after a while | reesal |
| 04493 | | 5 | 0.143 | | Speed | Minor | Confirmed | Jun 7, 2021 | arkretrn, elvactr, landmakr, dungeonm, quizhuhu, popnpop, trstar, puchicar, qtheater, gunlock, recalh, ridingf: Slow game speed | Afdal |
| 04545 | 4 | 3 | 0.144u1 | | Graphics | Trivial | Confirmed | Jun 7, 2021 | youjyudn: [possible] garbage at the top of screen | haynor666 |
| 07893 | 1 | 2 | 0.229 | | Crash/Freeze | Critical (emulation) | Resolved (AJR) | Jun 7, 2021 | atetrisb2, atetrisb3: Game stucks at black screen | Skeleton081983 |
| 07987 | 1 | 2 | 0.231 | | Sound | Minor | Confirmed | Jun 7, 2021 | yachtmn, mermaid: Reference for missing sounds | jkburks |
| 03799 | 3 | 8 | 0.137u1 | | Graphics | Minor | Confirmed | Jun 7, 2021 | junofrst: Credit during demonstration play causes graphic error | Tafoid |
| 07997 | | 1 | 0.232 | | Sound | Minor | Resolved (hap) | Jun 5, 2021 | assault, assaultj: Tank engine sound stops after less than 1 second after game starts | Steve Coomber |
| 07995 | 2 | | 0.232 | | Documentation | Trivial | Confirmed | Jun 5, 2021 | sbsgomo: Mispelled game name, missing (Japan) moniker | Kale |
| 08001 | | | 0.232 | | Known Issues/To-Do's | Trivial | Acknowledged | Jun 4, 2021 | 1943mii: Missing (prototype?) moniker | Kale |
| 08000 | 3 | | 0.231 | | Graphics | Minor | Acknowledged | Jun 4, 2021 | yachtmn, mermaid: missing or misplaced graphic animations | jkburks |
| 07985 | 1 | 1 | 0.231 | | Graphics | Minor | Confirmed | Jun 4, 2021 | yachtmn, mermaid: Missing night graphics | jkburks |
| 07994 | | 1 | 0.232 | | Documentation | Trivial | Acknowledged | Jun 3, 2021 | kchampvs: Should be parent instead of being clone of kchamp | Kale |
| 07993 | 1 | 2 | 0.232 | | Documentation | Trivial | Resolved (Kale) | Jun 1, 2021 | drgnunit: Manufacturer should really be Athena / Seta U.S.A. Inc. | Kale |
| 07991 | 2 | 2 | 0.232 | | DIP/Input | Feature | Closed | May 30, 2021 | thunderh: Lightguns works like a non-analog controllers, and don't have a crosshair. | VasiliyFamiliya |
| 07989 | 2 | | 0.232 | | Interface | Typo | Resolved (AriaOTP) | May 29, 2021 | pcnfrku: Wrong title | AriaOTP |
| 05692 | | 23 | 0.154 | | Crash/Freeze | Critical (emulator) | Resolved | May 28, 2021 | slrasslt: Stage 3 crashes the emulator. | ReyVGM |
| 07475 | 1 | 4 | 0.215 | | DIP/Input | Minor | Resolved (tlindner) | May 26, 2021 | coco3: Joystick Buttons not working correctly from some ML games | drencorxeen |
| 07988 | 1 | 3 | 0.231 | | Gameplay | Major | Closed | May 26, 2021 | legionna: Missing moves from the players | runar-orested |
| 07986 | | 3 | 0.231 | | Media Support | Minor | Resolved (thankyoumame) | May 25, 2021 | dragnegg: [pce] dragnegg: marked as not supported, but works | thankyoumame |
| 07979 | 1 | 2 | 0.231 | | Media Support | Major | Resolved (galibert) | May 25, 2021 | Mac systems with HD floppy drives: Floppy drives don't accept HD disks anymore after ejecting them once | r09 |
| 06932 | | 7 | 0.196 | | Sound | Minor | Acknowledged | May 23, 2021 | many irem m72 sets: [possible] vgm & sfx problem | ArcadeGuy |
| 07075 | 1 | 4 | 0.199 | | Sound | Minor | Resolved (jkm900) | May 23, 2021 | hharry: Victory scream is too low compared to previous mame releases and arcade pcb | StHiryu |
| 07982 | 2 | 3 | 0.231 | | DIP/Input | Trivial | Resolved (jkburks) | May 23, 2021 | itaten: Incorrect default difficulty setting | jkburks |
| 07965 | 2 | 3 | 0.231 | | Media Support | Major | Resolved | May 23, 2021 | gamegear [ddragon, ddragonp]: Corrupt background tiles | kmg |
| 07984 | 1 | 8 | 0.231 | | DIP/Input | Minor | Acknowledged | May 23, 2021 | warp1t: Warp-1 (Japan, Taito license) requires DIP setting for cocktail/upright | gspat |
| 07772 | | 9 | 0.225 | | Sound | Minor | Resolved (Kale) | May 23, 2021 | luckywld, luckywldj: Lucky and Wild aren't talkitive + some missing sound effects. | danylopez123 |
| 07956 | 2 | 17 | 0.230 | | Sound | Minor | Resolved (aaron) | May 22, 2021 | mslug, mslugx, garou: lower volume on parts of music | Alex7 |
| 07983 | | 3 | 0.231 | | Interface | Minor | Closed | May 22, 2021 | Warp-1 (Japan): Warp-1 (Japan) fails in UI, but works from CLI | gspat |
| 00774 | | 1 | 0.62 | | Sound | Minor | Resolved (Kale) | May 22, 2021 | sgunner2, sgunner2j: Machine gun samples do not seem to play ingame, | Nerox91 |
| 04137 | 4 | 3 | 0.140u2 | | Color/Palette | Minor | Resolved (M.A.S.H.) | May 22, 2021 | rpatrol, rpatrolb: Wrong sprite colors. | M.A.S.H. |
| 02778 | 1 | 6 | 0.128u6 | | Sound | Minor | Resolved (Kale) | May 21, 2021 | suzuka8h, suzuk8h2, finallap, finalap2, finalap3, fourtrax + clones: buzz/humming sound in background | Endaar |
| 07980 | | 2 | 0.231 | | Sound | Minor | Confirmed | May 20, 2021 | scion: constant background white noise | jkburks |
| 07512 | 1 | 1 | 0.216 | | Graphics | Minor | Resolved (tlindner) | May 20, 2021 | coco3: Incorrect Graphics Mode GIME with SKIING game | drencorxeen |
| 05138 | | 6 | 0.147 | | Core | Minor | Resolved (tlindner) | May 20, 2021 | coco, coco3: strange behavior when initializing PIA interface chip | Richard42 |
| 07561 | 2 | 3 | 0.218 | | Graphics | Minor | Confirmed | May 19, 2021 | skyfox, exerizer, exerizreb: Shorter vertical resolution than PCB | sasuke |
| 07306 | | 3 | 0.209 | | Crash/Freeze | Critical (emulation) | Resolved (tlindner) | May 19, 2021 | coco3 [superpit]: Unable to run Super Pitfall Cartridge using Coco 3 driver -- freezes at black screen | MrGW |
| 06705 | 1 | 6 | 0.190 | | Graphics | Major | Resolved | May 19, 2021 | coco3 [megabug]: Graphic corruption when running MegaBug using the Coco 3 driver | MrGW |
| 06665 | | 8 | 0.188 | | Timing | Minor | Confirmed | May 19, 2021 | All drivers in coco12.cpp, coco3.cpp: Very slow load times when accessing the floppy drive | MrGW |
| 07662 | | 3 | 0.221 | | Interface | Minor | Resolved (hap) | May 18, 2021 | coco3: Snapshot of RGB screen doesn't work. | tlindner |
| 06686 | | 2 | 0.189 | | Misc. | Feature | Resolved | May 18, 2021 | All TRS-80 Color Computer (Coco) drivers: Allow Becker Port Interface host IP address and/or port to be configurable | MrGW |
| 07619 | 1 | 3 | N/A | | Graphics | Major | Resolved (AJR) | May 18, 2021 | coco, coco2: Graphics glitches in Arkanoid | tlindner |
| 07433 | 2 | 19 | 0.213 | | Interface | Minor | Acknowledged | May 16, 2021 | Internal UI font used for artwork text is missing glyphs | Heihachi_73 |
| 07978 | | 2 | 0.231 | | Interface | Critical (emulator) | Resolved (AJR) | May 16, 2021 | UI: File Manager crashes MAME in spectacular ways | kmg |
| 07976 | | 3 | 0.231 | | DIP/Input | Minor | Acknowledged | May 13, 2021 | mspactwin: P1 springs to life in a P2-only game | dink |
| 07896 | | 4 | 0.229 | | Gameplay | Major | Confirmed | May 12, 2021 | raiden2 and clones: Score-based extends do not work correctly | mahlemiut |
| 07967 | 2 | 6 | 0.231 | | Sound | Minor | Acknowledged | May 11, 2021 | genesis and clones [oozeju]: Missing notes in intro music of The Ooze | ICEknight |
| 07933 | | 2 | 0.231 | | Sound | Minor | Acknowledged | May 9, 2021 | cpc664, cpc6128: Incorrect 3 inch floppy drive samples | ICEknight |
| 07975 | | 1 | 0.231 | | Sound | Minor | Closed | May 9, 2021 | cpc664, cpc6128: Incorrect floppy drive samples | ICEknight |
| 07969 | 1 | 4 | 0.231 | | Gameplay | Minor | Resolved (Tafoid) | May 9, 2021 | offensiv: Loses sound after stage 1 and is not possible to complete because of bar at stage 5 | Hirudov |
| 07971 | | | 0.231 | | Sound | Minor | Confirmed | May 6, 2021 | genesis [vru], megadriv [vrj]: Speech and screeching sound effect does not play | Cow |
| 00147 | 2 | 2 | 0.117 | | Graphics | Minor | Resolved (dink) | May 6, 2021 | arabianm: Just before round 1 starts, there's a vertical line in the black screen that disappears when you enter the game | Iaspis |
| 07970 | | 2 | 0.231 | | Crash/Freeze | Minor | Closed | May 6, 2021 | sscope2: During gun calibration the game freezes | Osso |
| 07964 | 1 | 5 | 0.231 | | Core | Major | Confirmed | May 5, 2021 | akumajoun: Getting on the High Score table does one of the following, all resulting in weird behavior | Cow |
| 07961 | | | 0.231 | | Misc. | Minor | Confirmed | May 3, 2021 | dstage, ddr2m and clones: Wrong video playback speed in analog System 573 DDR games | launcherEXE |
| 07962 | 1 | 3 | 0.230 | | Gameplay | Minor | Acknowledged | May 3, 2021 | mspactwin: 2 player dots finished but game will not advance to level 3 | TrevEB |
| 07963 | | 6 | 0.231 | | Misc. | Minor | Closed | May 3, 2021 | chaoshea (Chaos Heat V2.09O): "ZSG2 write mask 00FF, contact MAMEdev" repeatedly displays once game has loaded | Steve Coomber |
| 07954 | 4 | 5 | 0.230 | | DIP/Input | Major | Acknowledged | May 2, 2021 | All games with 2 players or more: Xbox series controller wireless mode only issue | DubaiShark |
| 07959 | 1 | 4 | 0.231 | | Graphics | Minor | Closed | May 2, 2021 | tmnt and clones: [possible] Corrupt graphics at stage 5 | DubaiShark |
| 07957 | | 5 | 0.231 | | Sound | Minor | Closed | May 2, 2021 | rygar and clones: Pops/crackles occurs in game music bassline | Steve Coomber |
| 04186 | | 3 | 0.141 | | Crash/Freeze | Critical (emulator) | Resolved (Roberto Fresca) | May 2, 2021 | comg079: Hang immediately after start | Tafoid |
| 07960 | | 2 | 0.231 | | Sound | Minor | Resolved (AJR) | Apr 30, 2021 | timelimt: Sound broken after game over | jkburks |
| 07958 | | 4 | 0.230 | | Sound | Minor | Confirmed | Apr 29, 2021 | kollon, kollonc: Crackling/Overdriving of audio | -Misc Reporters- |
| 00355 | | 1 | 0.37b5 | | Sound | Minor | Resolved (AJR) | Apr 29, 2021 | soldam, soldamj: During attract mode, when changing screens, the last music note keeps on ringing. | YMI |
| 07881 | | 6 | 0.229 | | Sound | Minor | Resolved (windyfairy) | Apr 29, 2021 | dstage: CDDA playback is later than should | launcherEXE |
| 07895 | | 4 | 0.229 | | Misc. | Trivial | Confirmed | Apr 28, 2021 | sfrushrk: Menu and races load too fast | PepsiBoy428 |
| 01086 | | 3 | 0.64 | | Sound | Minor | Resolved (Haze) | Apr 25, 2021 | shtrider: [possible] Sound and graphic desync at the start of the game. | Jonemaan |
| 07953 | | 3 | 0.230 | | DIP/Input | Major | Resolved (AJR) | Apr 24, 2021 | Any software using second joy port: Y-axis input on second joy port using x-axis values | Headrush69 |