* Denise v1.1.1 [Amiga] - https://sourceforge.net/projects/deniseemu/files/v 1.1.1/

* Emma 02 v1.39 [Cosmac-related] - https://www.emma02.hobby-site.com/download.html

* DCmoto (2021-05-08) [Thomson] - http://dcmoto.free.fr/

* Classic 99 v399.046 [T.I. 99/4A] - http://www.harmlesslion.com/cgi-bin/onesoft.cgi?1

* Cemu 1.22.12c [Wii-U] - http://cemu.info/

* SDLMAME 0.231 for Ubuntu - https://sdlmame.wallyweek.org/download/

* Applewin 1.30.1.0 [Apple II] - https://github.com/AppleWin/AppleWin/releases

* Yape 1.2.0 [Commodore Plus/4] - http://yape.homeserver.hu/

* Emulicious (2021-04-30) [Multi-system] - http://emulicious.net/news/

* RockNES 5.70C [NES] - http://rocknes.web.fc2.com/

* RPCS3 v0.0.16 Alpha [PS3] - https://github.com/RPCS3/rpcs3/releases

* Simcoupe (2021-05-01) [Sam Coupe] - https://github.com/simonowen/simcoupe/releases

* dgVoodoo 2.74.1 [Plugin] - http://dege.freeweb.hu/dgVoodoo2/dgVoodoo2/

MAME 0.231 was released

* Official - https://mamedev.org/release.html
* ARCADE64 - http://arcade.mameworld.info/
* HBMAME - http://hbmame.1emulation.com/
* MESS, MESSUI - http://messui.1emulation.com/
* MAMEUI - http://www.mameui.info/
* WolfMame - https://github.com/mahlemiut/wolfmame/releases

Other releases

* Mark 5 v1.8.1 [Hitachi BML3] - http://s-sasaji.ddo.jp/bml3mk5/download.htm

* MelonDS 0.9.2 [NDS] - http://melonds.kuribo64.net/downloads.php

* BGB 1.5.9 [GB] - http://bgb.bircd.org/

* Pantheon 10.414 [Multi-system] - http://bostjan-grandovec.si/Content/Download.htm

* Xebra (2021-04-23) [PSX] - http://drhell.web.fc2.com/ps1/index.html

* Cemu 1.22.11c [Wii-U] - http://cemu.info/

* RomVault 3.2.5 [Rom Manager] - https://www.romvault.com/

* Applewin 1.30.0.0 [Apple II] - https://github.com/AppleWin/AppleWin/releases

* Stella 6.5.3 [Atari 2600] - https://github.com/stella-emu/stella/releases

* Sameboy 0.14.3 [Gameboy] - https://sameboy.github.io/downloads/

* WinArcadia 27.02 [s2650-based] - https://amigan.yatho.com/

* mGBA 0.9.1 [GBA] - https://mgba.io/

* IV/Play 1.8.4.0 [Front End] - http://www.mameui.info/