| ID | | | Version | Driver | Category [?] | Severity [?] | Status [?] | Updated | Summary | Tester |
| | 07911 | | 2 | 0.229 | | Misc. | Minor | Closed | Mar 23, 2021 | some CHD are with wrong checksum | Augusto |
| | 07908 | | | 0.229 | newton.cpp | Documentation | Minor | Acknowledged | Mar 19, 2021 |  mp110, mp120, mp130, mp2000, mp2100, newtonmp: Incomplete machine description | AntoPISA |
| | 00835 | | 5 | 0.122u5 | kinst.cpp | Sound | Minor | Confirmed | Mar 19, 2021 | kinst, kinst2: The music doesn't play in the attract mode just after booting. | sabotendar_kun |
| | 07909 | | 3 | 0.229 | tecmo16.cpp | Sound | Minor | Resolved (Haze) | Mar 19, 2021 | ginkun: Level Select, Minigame Select and Credits musics doesn't play | danylopez123 |
| | 07907 | | | 0.229 | | Core | Feature | Acknowledged | Mar 19, 2021 | Prescale option doesn't work for bgfx video mode | ICEknight |
| | 06789 | 3 | 5 | 0.192 | namconb1.cpp | Graphics | Critical (emulation) | Resolved (galibert) | Mar 18, 2021 | vshoot: black screen after winning first match | Kale |
| | 07905 | 1 | 2 | 0.229 | midxunit.cpp | Graphics | Minor | Confirmed | Mar 17, 2021 | revx: Missing skull jumpscare image after you use a skull bomb. | alphabeta2 |
| | 05993 | | 6 | 0.163 | | Core | Feature | Resolved (hap) | Mar 17, 2021 | prescale option is now limited to 3 | haynor666 |
| | 07898 | | 1 | 0.229 | gaelco3d.cpp | Interface | Feature | Resolved (Osso) | Mar 16, 2021 | speedup: Speed up is missing a shifter ICON | MetalGod |
| | 07904 | | | 0.229 | monkey_king_3b.cpp | Documentation | Minor | Resolved (AntoPISA) | Mar 16, 2021 | rs70_648: The machine does not report the manufacturer. | AntoPISA |
| | 07211 | 1 | 11 | 0.205 | midtunit.cpp | Sound | Minor | Acknowledged | Mar 16, 2021 | midtunit: MK music tempo slower then actual arcade | Chamajid |
| | 07831 | 1 | 1 | 0.227 | gaelco3d.cpp | Sound | Minor | Resolved (Osso) | Mar 15, 2021 | surfplnt, surfplnt40, speedup: Sound has repeating distortion/crackling | Tafoid |
| | 07899 | | 7 | 0.229 | coco3.cpp | Media Support | Major | Acknowledged | Mar 14, 2021 | cocoe, coco2, coco2b, coco3: It is no longer possible to insert a rom pak into a multi-pak slot. | star2root |
| | 07901 | 1 | 1 | 0.229 | megadriv.cpp | Crash/Freeze | Major | Closed | Mar 14, 2021 | wboymw: Freeze when trying to save ingame | ArcadeHistory |
| | 07897 | | 2 | 0.229 | snes.cpp | Media Support | Minor | Closed | Mar 13, 2021 | snes, snespal: collection of interrelated bugs | Robbbert |
| | 06740 | 2 | 11 | 0.191 | dec0.cpp | Sound | Major | Resolved (aaron) | Mar 11, 2021 | slyspy, bouldash: Sound randomly speeds up and eventually dies | Kale |
| | 07894 | 1 | 6 | 0.229 | | Interface | Minor | Confirmed | Mar 9, 2021 | UI doesn't show missing files/CHDs for clone sets | Foxhack |
| | 06438 | 1 | 1 | 0.179 | oric.cpp | DIP/Input | Minor | Resolved | Mar 8, 2021 | oric1, orica, telstrat, prav8d, prav8dd:: Keyboard is not properly emulated. | Hirudov |
| | 06415 | 1 | 3 | 0.179 | oric.cpp | Core | Major | Resolved | Mar 8, 2021 | oric1, orica, telstrat, prav8d, prav8dd: Microdisc floppy images are not loaded at all. | Hirudov |
| | 05744 | 1 | 1 | 0.155 | oric.cpp | Misc. | Minor | Resolved | Mar 8, 2021 | oric1, orica: The demo "Oric Giga Demo by Defence Force" fail on disk load. | demotester |
| | 07886 | | 1 | 0.229 | plus4.cpp | Media Support | Major | Resolved (Osso) | Mar 7, 2021 | c16: ignores cartridges | Robbbert |
| | 07885 | | 3 | 0.229 | xerox820.cpp | Media Support | Major | Resolved | Mar 7, 2021 | x820: no longer boots the floppy disk | Robbbert |
| | 07389 | | | 0.212 | williams.cpp | Sound | Minor | Resolved (Osso) | Mar 7, 2021 | inferno: Wrong DAC sound | M.A.S.H. |
| | 07849 | 4 | 3 | 0.227 | taitosj.cpp | DIP/Input | Minor | Resolved (jkburks) | Mar 7, 2021 | sfposeid: Function of some Unknown DIPs in DSW1 | terencew |
| | 07856 | | 8 | 0.227 | ksys573.cpp | Core | Minor | Resolved (windyfairy) | Mar 5, 2021 | ddr2mla, ddrbocd, any 573 Analog DDR game exccluding JP Dancing Stage series: Songs run at halved framerate(?) ingame | tjbautista01 |
| | 05785 | | 1 | 0.156 | cabal.cpp | DIP/Input | Major | Resolved (AJR) | Mar 4, 2021 | cabal and clones (except cabalbl): Coins don't work when Demo Sound dipswitch is off | AWJ |
| | 05875 | | 5 | 0.159 | magictg.cpp | Misc. | Critical (emulator) | Resolved (Robbbert) | Mar 3, 2021 | magictg: AddressSanitizer: heap-buffer-overflow | Firewave |
| | 06974 | 1 | 4 | 0.197 | cninja.cpp | Sound | Minor | Resolved | Mar 3, 2021 | cninja: Sound speeds up when fighting with the stage 4.2 boss | StHiryu |
| | 07891 | | | 0.229 | konamigx.cpp | Crash/Freeze | Critical (emulation) | Confirmed | Mar 1, 2021 | Many machines in konamigx.cpp, mystwarr.cpp: [debug] Assert shortly after launch | Tafoid |
| | 07890 | | | 0.229 | generalplus_gpl16250_nand.cpp | Crash/Freeze | Critical (emulation) | Confirmed | Mar 1, 2021 | beatbox, mgtfit, lazertag: [debug] Assert shortly after launch | Tafoid |
| | 07888 | | | 0.229 | cinemat.cpp | Crash/Freeze | Critical (emulator) | Confirmed | Mar 1, 2021 | warrior: [debug] Assert after -bench or -str run | Tafoid |
| | 07880 | | 5 | 0.228 | grchamp.cpp | Misc. | Major | Acknowledged | Mar 1, 2021 | grchamp: Several regression since mame 0.103 | rcoltrane |
| | 06969 | | | 0.197 | konmedal.cpp | Crash/Freeze | Critical (emulator) | Resolved | Mar 1, 2021 | All machines in konmedal.cpp: [debug] Fatal error: assert: ../../../../../src/mame/video/k054156_k054157_k056832.cpp:1152: offset < ARRAY_LENGTH(m_regsb) | Tafoid |
| | 06818 | | 1 | 0.193 | konmedal.cpp | Misc. | Major | Resolved | Mar 1, 2021 | ddboy: runtime error: index out of bounds | Firewave |
| | 07884 | | 4 | 0.229 | travrusa.cpp | Sound | Minor | Resolved | Feb 28, 2021 | travrusa: Sound plays randomly when you jump rivers using the broken bridge | rcoltrane |
| | 06166 | | 3 | 0.171 | megadriv.cpp | Sound | Minor | Resolved (aaron) | Feb 28, 2021 | megadriv [batman]: Bad emulated sound effects when hitting the enemies | StHiryu |
| | 07161 | 1 | 13 | 0.203 | dec0.cpp | Sound | Minor | Resolved (aaron) | Feb 28, 2021 | baddudes: Missing sound in stage 3 boss transformation | StHiryu |
| | 06930 | | 8 | 0.196 | dec0.cpp | Sound | Minor | Resolved (aaron) | Feb 28, 2021 | robocop, robocopu, robocopw: The sound effect of the van's backdoor cuts off suddenly | StHiryu |
| | 07882 | 1 | 3 | 0.229 | coco12.cpp | Compiling | Critical (emulator) | Closed | Feb 25, 2021 | N/A: Compiler error on Raspberry Pi | MrGW |
| | 07879 | 1 | 1 | 0.228 | simple_st0016.cpp | Sound | Minor | Confirmed | Feb 23, 2021 | nratechu: Sound pitch is incorrect | jkm900 |
| | 07865 | | 4 | 0.228 | wrally.cpp | Interface | Feature | Acknowledged | Feb 22, 2021 | wrally, wrally2: World Rally 1 and 2 are missing a shifter ICON. | MetalGod |
| | 06935 | | 1 | 0.196 | | Misc. | Major | Resolved (AJR) | Feb 21, 2021 | BFGX Shadow Mask not appearing in slider controls when more than one artpath present in mame.ini. | john_iv |
| | 07878 | | 1 | 0.228 | mini2440.cpp | Crash/Freeze | Major | Confirmed | Feb 19, 2021 | mini2440: No longer booting up | Robbbert |
| | 07845 | 3 | 1 | 0.227 | metro.cpp | Graphics | Minor | Resolved (jkm900) | Feb 17, 2021 | bangball, msgogo, puzzli, probably others: Wrong offsets cause bad graphics on screen margins | Osso |
| | 07875 | 1 | 2 | 0.228 | nes.cpp | Graphics | Minor | Acknowledged | Feb 16, 2021 | batmanrj: Level 1-2, wrong scrolling position | ArcadeHistory |
| | 07795 | | 2 | 0.226 | | Debugger | Minor | Resolved (cuavas) | Feb 16, 2021 | Qt debugger: Disassembly view glitch on bottom line | AJR |
| | 07860 | | 3 | 0.228 | | Compiling | Major | Resolved (belegdol) | Feb 16, 2021 | N/A: Compiler error on Raspberry Pi | MrGW |
| | 06668 | 1 | 6 | 0.188 | mhavoc.cpp | Graphics | Major | Resolved (Robbbert) | Feb 16, 2021 | mhavoc, mhavoc2, mhavocp, mhavocrv: Some graphics disappear or are not drawn at all | mmarino4 |
| | 00001 | 4 | 35 | 0.143u6 | | Misc. | Trivial | New | Feb 16, 2021 | THIS IS A SANDBOX. Please use this entry for posting test! | Fujix2 |
| | 07873 | | 6 | 0.228 | segag80r.cpp | Speed | Major | Closed | Feb 14, 2021 | astrob and clones using discrete: Emulation speed suffered noticable drop | ozfalcon |
| | 07869 | 1 | 1 | 0.228 | system1.cpp | Gameplay | Minor | Confirmed | Feb 14, 2021 | choplift: Game graphics pause on any digitized speech. | Big al |
| | 07867 | 1 | 2 | 0.228 | c64.cpp | Crash/Freeze | Critical (emulation) | Resolved (Osso) | Feb 13, 2021 | Most carts in c64_cart.xml: Carts are no longer loading correctly | Tafoid |
| | 07874 | | 1 | 0.228 | gottlieb.cpp | Save/Restore | Major | Resolved (Osso) | Feb 13, 2021 | cobram3, cobram3a: The games only show a black screen when a NVRAM is present | Osso |
| | 06650 | 4 | 7 | 0.188 | m58.cpp | Graphics | Minor | Resolved (Osso) | Feb 13, 2021 | 10yard: Misplaced graphics | M.A.S.H. |
| | 07872 | | 3 | 0.228 | gottlieb.cpp | Crash/Freeze | Major | Closed | Feb 12, 2021 | krull: Does not boot. | vidpro1 |
| | 07866 | 1 | 6 | 0.228 | atarig1.cpp | Crash/Freeze | Critical (emulation) | Resolved (galibert) | Feb 11, 2021 | pitfight3: Game crashes randomly in later matches | rcoltrane |
| | 07871 | | 2 | 0.228 | taitogn.cpp | Core | Minor | Closed | Feb 10, 2021 | nightrai: Night Raid freezes after finish the game | stargeizer |
| | 07870 | 1 | 1 | 0.228 | snes.cpp | Graphics | Minor | Acknowledged | Feb 9, 2021 | snes [spriggan]: Graphical bug | ArcadeHistory |
| | 07855 | 4 | 6 | 0.227 | atarisy1.cpp | Graphics | Major | Confirmed | Feb 8, 2021 | roadblst: Random occasional graphics corruption | Miles |
| | 07140 | 1 | 3 | 0.201 | | Interface | Minor | Resolved (cuavas) | Feb 8, 2021 | Save State Menu saves too quickly if activated by Joystick buttons | illando |
| | 07378 | 6 | 8 | 0.211 | | Sound | Major | Acknowledged | Feb 5, 2021 | pokey.cpp: Inaccurate distortion playback. | trebor |
| | 05731 | | 2 | 0.154 | atari400.cpp | Misc. | Minor | Confirmed | Feb 5, 2021 | a5200: Acid800 Test Suite results. | demotester |
| | 07868 | | 1 | 0.228 | snes.cpp | Crash/Freeze | Critical (emulation) | Confirmed | Feb 5, 2021 | snes [rrr2]: Unable to boot | ArcadeHistory |
| | 06950 | 1 | | 0.196 | c64.cpp | Known Issues/To-Do's | Major | Confirmed | Feb 4, 2021 | c64p: Bouldermark score is inauthentic | kazblox |
| | 05873 | | 2 | 0.159 | segas24.cpp | Misc. | Critical (emulator) | Confirmed | Feb 3, 2021 | sspirtfc: AddressSanitizer: heap-use-after-free | Firewave |
| | 07468 | | 1 | 0.214 | taitogn.cpp | Crash/Freeze | Critical (emulator) | Resolved | Feb 2, 2021 | Most machines in taitogn.cpp: [debug] Assert: basesample >= input_stream.m_output_base_sampindex | Tafoid |
| | 07647 | | 4 | 0.220 | atarisy1.cpp | Debugger | Minor | Acknowledged | Feb 1, 2021 | indytemp: Debugger load command loads incorrect saved data in indytemp | d18c7db |
| | 06677 | | 8 | 0.189 | | Interface | Critical (emulator) | Resolved (AmatCoder) | Jan 30, 2021 | UI: Exception at new machine selection | wuemura |
| | 07549 | | | 0.217 | | Misc. | Critical (emulator) | Acknowledged | Jan 30, 2021 | UI (tab menu): AddressSanitizer: new-delete-type-mismatch when opening software selection | Firewave |
| | 07550 | | 1 | 0.217 | | Crash/Freeze | Critical (emulator) | Acknowledged | Jan 30, 2021 | UI: Access Violation changing bios for slot device in UI | Firewave |
| | 07864 | 1 | 2 | 0.228 | | DIP/Input | Minor | Closed | Jan 30, 2021 | Cannot config 2 analog controllers for 1 analog INPUT | MetalGod |
| | 07863 | 2 | | 0.228 | ksys573.cpp | Interface | Typo | Resolved (AriaOTP) | Jan 30, 2021 | pcnfrk4mk: Wrong title name | AriaOTP |
| | 07862 | | 7 | 0.227 | atarig1.cpp | Crash/Freeze | Critical (emulation) | Closed | Jan 29, 2021 | pitfight3: Pit-Fighter Rev. 3 - Game crashes around match 6 onward | rcoltrane |
| | 07861 | | 1 | 0.228 | taito_f3.cpp | Sound | Major | Confirmed | Jan 28, 2021 | gunlock, rayforce, rayforcej: Sound glitches badly after the first game over | Kale |
| | 07834 | | 8 | 0.227 | gauntlet.cpp | Gameplay | Major | Resolved (galibert) | Jan 28, 2021 | gauntlet, gaunt2 and clones: Protection issues when finishing a level | Andrew |
| | 07859 | | 4 | 0.228 | jupace.cpp | DIP/Input | Minor | Closed | Jan 28, 2021 | jupace: Natural keyboard playing up | Robbbert |
| | 04966 | | 1 | 0.146u4 | | Interface | Critical (emulator) | Acknowledged | Jan 27, 2021 | Cannot Fast-Forward a screenless system when showing "skip 0" | Tafoid |
| | 01550 | | 1 | 0.123u6 | cabal.cpp | Sound | Minor | Resolved (jkm900) | Jan 25, 2021 | cabal, cabala, cabalus, cabalus2: Cabal uses msm5205 chips instead of the custom adpcm | Kold666 |
| | 06721 | | 4 | 0.190 | playch10.cpp | Sound | Minor | Confirmed | Jan 25, 2021 | pc_drmro, pc_mtoid: [possible] Audio loop | wuemura |
| | 07320 | | 2 | 0.209 | | Crash/Freeze | Critical (emulator) | Closed | Jan 24, 2021 | Rarely occurring fatal error on startup | AJR |
| | 07713 | | 2 | 0.222 | ksys573.cpp | Sound | Minor | Resolved | Jan 23, 2021 | ddrs2kj: Silence during Dancemania promo screens | launcherEXE |
| | 07854 | | 1 | 0.227 | nes.cpp | Gameplay | Minor | Closed | Jan 22, 2021 | nes [lwings]: lwings get stuck in walls | -Misc Reporters- |
| | 00500 | | 2 | 0.59 | leland.cpp | Graphics | Minor | Confirmed | Jan 21, 2021 | alleymas: When entering initials and d.o.b. details, the cursor does not wrap around correctly. | Chook |
| | 05379 | | 3 | 0.151 | xybots.cpp | DIP/Input | Minor | Resolved (Osso) | Jan 19, 2021 | xybots: Coin inputs are backwards. | Yonah |
| | 07850 | 1 | 6 | 0.227 | gradius3.cpp | Original Reference | Minor | Resolved | Jan 19, 2021 | gradius3j: After inserting coin, the title screen should show "PRESS START" message. | -Misc Reporters- |
| | 07853 | | 2 | 0.227 | blockhl.cpp | Sound | Minor | Acknowledged | Jan 17, 2021 | quarth: Sound tempo slightly slow | -Misc Reporters- |
| | 07567 | | 2 | 0.218 | konamigs.cpp | Timing | Minor | Confirmed | Jan 16, 2021 | ddrkids: Songs eventually goes Off-Sync with the Rhythm. | danylopez123 |
| | 07848 | | 1 | 0.227 | popeye.cpp | Speed | Major | Confirmed | Jan 16, 2021 | popeye and clones using Discrete: Emulation speed suffered noticable drop | Tafoid |
| | 01989 | 2 | 10 | 0.126 | cps1.cpp | Core | Minor | Confirmed | Jan 16, 2021 | captcomm: m68k / m68000 core: inconsistency between real board and mame | emuman |
| | 07838 | 1 | 1 | 0.227 | btoads.cpp | Graphics | Major | Resolved (Haze) | Jan 15, 2021 | btoads: Garbled graphics | alice1999 |
| | 07847 | 2 | 9 | 0.227 | surpratk.cpp | Graphics | Minor | Confirmed | Jan 14, 2021 | suratk, suratka, suratkj: Garbage bar graph on the left side of the screen. | abelardator2 |
| | 07840 | 1 | 4 | 0.227 | atarigx2.cpp | Gameplay | Major | Acknowledged | Jan 14, 2021 | motofren and clones: Issues with collision detection; Missing dual board support for motofrenmd | Hydreigon |
| | 07835 | 1 | 5 | 0.227 | | Compiling | Major | Closed | Jan 14, 2021 | [Linux] [Raspberry Pi 4] Linking errors with 0.227 (previous versions OK) | bbegin |
| | 07851 | | | 0.227 | dragon.cpp | DIP/Input | Minor | Acknowledged | Jan 14, 2021 | dragon32, dragon64: Drops characters when typing quickly | -Misc Reporters- |
| | 06683 | 2 | 3 | 0.189 | surpratk.cpp | Graphics | Minor | Resolved (Robbbert) | Jan 11, 2021 | suratk: Visible area is too small | M.A.S.H. |
| | 07830 | 1 | 2 | 0.227 | | Plugins | Major | Resolved (crazyc) | Jan 10, 2021 | Lua Cheat Plugin: Cheats show errors attempting to activate | -Misc Reporters- |
| | 07837 | | 3 | 0.227 | namcos21_c67.cpp | Gameplay | Minor | Resolved (AJR) | Jan 9, 2021 | starblad, starbladj: Coin counter does not work | umeyar |
| | 07842 | | 5 | 0.227 | namcos2.cpp | DIP/Input | Major | Resolved (AJR) | Jan 9, 2021 | luckywld, sgunner2: Credit buttons doesn't work | MetalGod |
| | 07846 | | 2 | 0.227 | itech32.cpp | Gameplay | Critical (emulation) | Resolved (Osso) | Jan 9, 2021 | wcbowl: Game resets itself during gameplay | Osso |
| | 07844 | | 4 | 0.227 | polepos.cpp | Crash/Freeze | Major | Closed | Jan 9, 2021 | poleposa1, poleposa2: NVRAM corruption during game exit, unable to start new game. | chaneman |