| ID | | | Version | Driver | Category [?] | Severity [?] | Status [?] | Updated | Summary | Tester |
| | 07000 | | 7 | 0.198 | taitosj.cpp | Gameplay | Major | Resolved (galibert) | Jun 10, 2021 | tinstar: Tinstar - Tripping over invisible barrel? | rcoltrane |
| | 07858 | | 6 | 0.228 | | Crash/Freeze | Minor | Confirmed | Jun 10, 2021 | CORE: Use of -verbose causes a crash before start | Robbbert |
| | 05385 | | 4 | 0.151 | seta.cpp | Gameplay | Major | Resolved (Kale) | Jun 9, 2021 | downtown: After entering a high score, the high scores are reset to zero | murve33 |
| | 05972 | | 6 | 0.163 | suna8.cpp | Sound | Minor | Acknowledged | Jun 9, 2021 | sranger and clones: music errors | Augusto |
| | 05556 | | 12 | 0.153 | | Interface | Minor | Resolved | Jun 8, 2021 | mame -verifyroms lists nonexistent roms / clones as bad | Klez |
| | 07992 | | 2 | 0.230 | junofrst.cpp | Graphics | Minor | Resolved (galibert) | Jun 8, 2021 | junofrst: No screen colour change during key actions | Simbabbad |
| | 03067 | 1 | 5 | 0.130u1 | gameplan.cpp | Graphics | Minor | Resolved (galibert) | Jun 8, 2021 | leprechn, leprechp, potogold: Graphics corruption during Rainbow Screen | Tafoid |
| | 04429 | 1 | 4 | 0.143u1 | polepos.cpp | Misc. | Minor | Confirmed | Jun 7, 2021 | polepos: playback of inp incorrect after a while | reesal |
| | 04493 | | 5 | 0.143 | taito_f3.cpp | 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 | m62.cpp | Graphics | Trivial | Confirmed | Jun 7, 2021 | youjyudn: [possible] garbage at the top of screen | haynor666 |
| | 05726 | | 6 | 0.155 | mainevt.cpp | Gameplay | Major | Confirmed | Jun 7, 2021 | devstors and clones: Numerous emulation problems | Arkhound |
| | 07798 | | 1 | 0.226 | jaguar.cpp | Crash/Freeze | Critical (emulator) | Confirmed | Jun 7, 2021 | fishfren: Trying to access the service mode crashes MAME | GeekyFerret |
| | 07893 | 1 | 2 | 0.229 | atetris.cpp | Crash/Freeze | Critical (emulation) | Resolved (AJR) | Jun 7, 2021 | atetrisb2, atetrisb3: Game stucks at black screen | Skeleton081983 |
| | 07987 | 1 | 2 | 0.231 | mermaid.cpp | Sound | Minor | Confirmed | Jun 7, 2021 | yachtmn, mermaid: Reference for missing sounds | jkburks |
| | 03799 | 3 | 8 | 0.137u1 | junofrst.cpp | Graphics | Minor | Confirmed | Jun 7, 2021 | junofrst: Credit during demonstration play causes graphic error | Tafoid |
| | 07997 | | 1 | 0.232 | namcos2.cpp | Sound | Minor | Resolved (hap) | Jun 5, 2021 | assault, assaultj: Tank engine sound stops after less than 1 second after game starts | Steve Coomber |
| | 07999 | | 2 | 0.232 | firebeat.cpp | Media Support | Minor | Direction Needed | Jun 5, 2021 | popn4, popn5 ,popn6 ,popn7 ,popn8 ,popnanm ,popnanm2 ,popnmt: CHDs are in the wrong format | gspat |
| | 07995 | 2 | | 0.232 | nmk16.cpp | Documentation | Trivial | Confirmed | Jun 5, 2021 | sbsgomo: Mispelled game name, missing (Japan) moniker | Kale |
| | 08002 | | 2 | 0.232 | dietgo.cpp | Sound | Minor | Acknowledged | Jun 4, 2021 | dietgo and clones: Volume of sampled sounds is too low | ICEknight |
| | 08001 | | | 0.232 | 1943.cpp | Known Issues/To-Do's | Trivial | Acknowledged | Jun 4, 2021 | 1943mii: Missing (prototype?) moniker | Kale |
| | 08000 | 3 | | 0.231 | mermaid.cpp | Graphics | Minor | Acknowledged | Jun 4, 2021 | yachtmn, mermaid: missing or misplaced graphic animations | jkburks |
| | 07985 | 1 | 1 | 0.231 | mermaid.cpp | Graphics | Minor | Confirmed | Jun 4, 2021 | yachtmn, mermaid: Missing night graphics | jkburks |
| | 07994 | | 1 | 0.232 | kchamp.cpp | Documentation | Trivial | Acknowledged | Jun 3, 2021 | kchampvs: Should be parent instead of being clone of kchamp | Kale |
| | 07993 | 1 | 2 | 0.232 | seta.cpp | Documentation | Trivial | Resolved (Kale) | Jun 1, 2021 | drgnunit: Manufacturer should really be Athena / Seta U.S.A. Inc. | Kale |
| | 07991 | 2 | 2 | 0.232 | gticlub.cpp | 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 | ksys573.cpp | Interface | Typo | Resolved (AriaOTP) | May 29, 2021 | pcnfrku: Wrong title | AriaOTP |
| | 05692 | | 23 | 0.154 | gticlub.cpp | Crash/Freeze | Critical (emulator) | Resolved | May 28, 2021 | slrasslt: Stage 3 crashes the emulator. | ReyVGM |
| | 07475 | 1 | 4 | 0.215 | coco3.cpp | DIP/Input | Minor | Resolved (tlindner) | May 26, 2021 |  coco3: Joystick Buttons not working correctly from some ML games | drencorxeen |
| | 07988 | 1 | 3 | 0.231 | legionna.cpp | Gameplay | Major | Closed | May 26, 2021 | legionna: Missing moves from the players | runar-orested |
| | 07981 | 2 | 6 | 0.231 | flstory.cpp | Sound | Minor | Acknowledged | May 26, 2021 | flstory: No sound in final round. | sasuke |
| | 07986 | | 3 | 0.231 | pce.cpp | Media Support | Minor | Resolved (thankyoumame) | May 25, 2021 | dragnegg: [pce] dragnegg: marked as not supported, but works | thankyoumame |
| | 07979 | 1 | 2 | 0.231 | mac.cpp | 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 | m72.cpp | Sound | Minor | Acknowledged | May 23, 2021 | many irem m72 sets: [possible] vgm & sfx problem | ArcadeGuy |
| | 07075 | 1 | 4 | 0.199 | m72.cpp | 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 | dacholer.cpp | DIP/Input | Trivial | Resolved (jkburks) | May 23, 2021 | itaten: Incorrect default difficulty setting | jkburks |
| | 07965 | 2 | 3 | 0.231 | sms.cpp | Media Support | Major | Resolved | May 23, 2021 | gamegear [ddragon, ddragonp]: Corrupt background tiles | kmg |
| | 07984 | 1 | 8 | 0.231 | dai3wksi.cpp | DIP/Input | Minor | Acknowledged | May 23, 2021 | warp1t: Warp-1 (Japan, Taito license) requires DIP setting for cocktail/upright | gspat |
| | 07772 | | 9 | 0.225 | namcos2.cpp | 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 | neogeo.cpp | Sound | Minor | Resolved (aaron) | May 22, 2021 | mslug, mslugx, garou: lower volume on parts of music | Alex7 |
| | 07983 | | 3 | 0.231 | dai3wksi.cpp | Interface | Minor | Closed | May 22, 2021 | Warp-1 (Japan): Warp-1 (Japan) fails in UI, but works from CLI | gspat |
| | 00774 | | 1 | 0.62 | namcos2.cpp | Sound | Minor | Resolved (Kale) | May 22, 2021 | sgunner2, sgunner2j: Machine gun samples do not seem to play ingame, | Nerox91 |
| | 04137 | 4 | 3 | 0.140u2 | cclimber.cpp | 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 | namcos2.cpp | Sound | Minor | Resolved (Kale) | May 21, 2021 | suzuka8h, suzuk8h2, finallap, finalap2, finalap3, fourtrax + clones: buzz/humming sound in background | Endaar |
| | 07980 | | 2 | 0.231 | wiz.cpp | Sound | Minor | Confirmed | May 20, 2021 | scion: constant background white noise | jkburks |
| | 07512 | 1 | 1 | 0.216 | coco3.cpp | Graphics | Minor | Resolved (tlindner) | May 20, 2021 | coco3: Incorrect Graphics Mode GIME with SKIING game | drencorxeen |
| | 05138 | | 6 | 0.147 | coco3.cpp | Core | Minor | Resolved (tlindner) | May 20, 2021 | coco, coco3: strange behavior when initializing PIA interface chip | Richard42 |
| | 07561 | 2 | 3 | 0.218 | skyfox.cpp | Graphics | Minor | Confirmed | May 19, 2021 | skyfox, exerizer, exerizreb: Shorter vertical resolution than PCB | sasuke |
| | 07306 | | 3 | 0.209 | coco3.cpp | 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 | coco3.cpp | Graphics | Major | Resolved | May 19, 2021 | coco3 [megabug]: Graphic corruption when running MegaBug using the Coco 3 driver | MrGW |
| | 06665 | | 8 | 0.188 | coco3.cpp | 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 | coco3.cpp | Interface | Minor | Resolved (hap) | May 18, 2021 | coco3: Snapshot of RGB screen doesn't work. | tlindner |
| | 06686 | | 2 | 0.189 | coco3.cpp | 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 | coco12.cpp | 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 |
| | 07974 | | 1 | 0.231 | apple2.cpp | Crash/Freeze | Critical (emulator) | Acknowledged | May 14, 2021 | apple2: Memory access violation in floppy device sound emulation | Anamon |
| | 05411 | 1 | 7 | 0.151 | mac.cpp | Graphics | Minor | Confirmed | May 14, 2021 | maclc3: Jigsaw Puzzle is glitched out | Justin Kerk |
| | 07976 | | 3 | 0.231 | pacman.cpp | DIP/Input | Minor | Acknowledged | May 13, 2021 | mspactwin: P1 springs to life in a P2-only game | dink |
| | 07896 | | 4 | 0.229 | raiden2.cpp | Gameplay | Major | Confirmed | May 12, 2021 | raiden2 and clones: Score-based extends do not work correctly | mahlemiut |
| | 07876 | 3 | 1 | 0.228 | megadriv.cpp | Image Enhancement | Minor | Acknowledged | May 11, 2021 | genesis and clones: NTSC inaccuracies with HLSL (bgfx) | ICEknight |
| | 07967 | 2 | 6 | 0.231 | megadriv.cpp | Sound | Minor | Acknowledged | May 11, 2021 | genesis and clones [oozeju]: Missing notes in intro music of The Ooze | ICEknight |
| | 07972 | | 1 | 0.231 | pce.cpp | Crash/Freeze | Critical (emulator) | Acknowledged | May 11, 2021 | pce and clones [fzone2]: Cutscene lock and emulator crash in Final Zone 2 | ICEknight |
| | 07933 | | 2 | 0.231 | amstrad.cpp | Sound | Minor | Acknowledged | May 9, 2021 | cpc664, cpc6128: Incorrect 3 inch floppy drive samples | ICEknight |
| | 07973 | 1 | 1 | 0.231 | pce.cpp | Sound | Minor | Confirmed | May 9, 2021 | pce and clones [mlairj, mlair]: CD music ends before expected | ICEknight |
| | 07975 | | 1 | 0.231 | amstrad.cpp | Sound | Minor | Closed | May 9, 2021 | cpc664, cpc6128: Incorrect floppy drive samples | ICEknight |
| | 07969 | 1 | 4 | 0.231 | galaxian.cpp | 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 | megadriv.cpp | Sound | Minor | Confirmed | May 6, 2021 | genesis [vru], megadriv [vrj]: Speech and screeching sound effect does not play | Cow |
| | 00147 | 2 | 2 | 0.117 | taito_f3.cpp | 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 | hornet.cpp | Crash/Freeze | Minor | Closed | May 6, 2021 | sscope2: During gun calibration the game freezes | Osso |
| | 07964 | 1 | 5 | 0.231 | hcastle.cpp | 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 | ksys573.cpp | 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 | pacman.cpp | Gameplay | Minor | Acknowledged | May 3, 2021 | mspactwin: 2 player dots finished but game will not advance to level 3 | TrevEB |
| | 07963 | | 6 | 0.231 | taitogn.cpp | 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 | tmnt.cpp | Graphics | Minor | Closed | May 2, 2021 | tmnt and clones: [possible] Corrupt graphics at stage 5 | DubaiShark |
| | 07957 | | 5 | 0.231 | tecmo.cpp | Sound | Minor | Closed | May 2, 2021 | rygar and clones: Pops/crackles occurs in game music bassline | Steve Coomber |
| | 04186 | | 3 | 0.141 | calomega.cpp | Crash/Freeze | Critical (emulator) | Resolved (Roberto Fresca) | May 2, 2021 | comg079: Hang immediately after start | Tafoid |
| | 07960 | | 2 | 0.231 | timelimt.cpp | Sound | Minor | Resolved (AJR) | Apr 30, 2021 | timelimt: Sound broken after game over | jkburks |
| | 07958 | | 4 | 0.230 | taitogn.cpp | Sound | Minor | Confirmed | Apr 29, 2021 | kollon, kollonc: Crackling/Overdriving of audio | -Misc Reporters- |
| | 07952 | | 2 | 0.230 | kinst.cpp | Timing | Minor | Acknowledged | Apr 29, 2021 | kinst: Timing speed in ATTRACT MODE is wrong. | toniosj |
| | 00355 | | 1 | 0.37b5 | megasys1.cpp | 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 | ksys573.cpp | Sound | Minor | Resolved (windyfairy) | Apr 29, 2021 | dstage: CDDA playback is later than should | launcherEXE |
| | 06022 | 2 | 7 | 0.164 | atarig1.cpp | Graphics | Minor | Confirmed | Apr 28, 2021 | pitfight: Pit-Fighter - Vertical gaps in the background scenes | rcoltrane |
| | 07895 | | 4 | 0.229 | seattle.cpp | Misc. | Trivial | Confirmed | Apr 28, 2021 | sfrushrk: Menu and races load too fast | PepsiBoy428 |
| | 07955 | 1 | | 0.230 | apple2.cpp | Media Support | Critical (emulation) | Confirmed | Apr 26, 2021 | apple2p [choplftr]: Hang on WOZ version of Choplifter | AJR |
| | 01086 | | 3 | 0.64 | travrusa.cpp | Sound | Minor | Resolved (Haze) | Apr 25, 2021 | shtrider: [possible] Sound and graphic desync at the start of the game. | Jonemaan |
| | 07953 | | 3 | 0.230 | apple2.cpp | 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 |
| | 03911 | 1 | 5 | 0.138u2 | stfight.cpp | Sound | Minor | Resolved (sasuke) | Apr 24, 2021 | stfight, empcity: Music pitch is too low | Phil Bennett |
| | 07939 | 4 | 8 | 0.230 | zx.cpp | Core | Minor | Acknowledged | Apr 22, 2021 | zx81: Incorrect default amount of RAM | ICEknight |
| | 07930 | 1 | 21 | 0.230 | segas16b.cpp | Sound | Minor | Resolved (aaron) | Apr 21, 2021 | shinobi2: Missing Instrument and bad helicopter sound. | Emuissues |
| | 07701 | | 8 | 0.222 | coco12.cpp | DIP/Input | Major | Resolved (tlindner) | Apr 20, 2021 | coco2, coco3 [tetris]: Keyboard navigation controls do not work correctly when playing Tandy Tetris (26-3163) | MrGW |
| | 07950 | 1 | 10 | 0.230 | neogeo.cpp | Sound | Minor | Resolved (aaron) | Apr 20, 2021 | twinspri: Incorrect sound on game mode / character select screens | Keade |
| | 06797 | 2 | 4 | 0.192 | coco3.cpp | Core | Minor | Acknowledged | Apr 19, 2021 | MC6809 incorrectly handling opcode 0x104F | drencorxeen |
| | 07949 | | | 0.230 | cop01.cpp | Sound | Minor | Acknowledged | Apr 19, 2021 | cop01, cop01a: Voices pitch is higher and volume is low | sasuke |
| | 07951 | | 2 | 0.230 | beezer.cpp | Misc. | Minor | Closed | Apr 18, 2021 | beezer1: self test not working | joemagiera |
| | 05901 | 1 | 16 | 0.160 | ddragon.cpp | Gameplay | Trivial | Acknowledged | Apr 17, 2021 | ddragon2, ddragon2u: [possible] Finishing without continues does not allow high score name input | Augusto |
| | 07213 | 5 | 5 | 0.205 | | Graphics | Minor | Acknowledged | Apr 16, 2021 | All: keepaspect is ignored when Non-Integer Scaling X/Y is enabled | ICEknight |
| | 07948 | 1 | 2 | 0.230 | dogfgt.cpp | Documentation | Minor | Resolved (sasuke) | Apr 16, 2021 | dogfgtj: Game title name is wrong | sasuke |
| | 07937 | | 2 | 0.230 | trs80.cpp | Media Support | Minor | Resolved (AJR) | Apr 16, 2021 | trs80l2 and clones: Crash if you try to create a new JV1 disk | Robbbert |
| | 07947 | 1 | 8 | 0.230 | ddragon.cpp | Sound | Minor | Acknowledged | Apr 15, 2021 | ddragon and clones: Broken music | Alex7 |