Gopher2600 v0.8.1 is released. Gopher2600 is an emulator for the Atari 2600. Whilst the performance is not as efficient as some other emulators it is none-the-less suitable for playing games, on a reasonably modern computer, at the required 60fps. (The development machine for Gopher2600 has been an i3-3225, dating from around 2012.)

Gopher2600 v0.8.1 changelog:
Performance improvements
- significant speed increase for ARM emulation
- particularly noticeble for large ARM programs
- small TIA speed improvements
Screen resizing improved
MNetwork (E7) fingerprinting improved. Now catches more ROMs
created in the modern era (ie. Congo Bongo Demo)

https://github.com/JetSetIlly/Gopher2600

http://www.emucr.com/2021/01/gopher2600-v081.html