Xpeccy 0.6.20201122 is released. Xpeccy is an emulator for ZX Spectrum running on the Unix/Linux OS.

Xpeccy Changelog:
ZX: Add FF port to all ZX models
ZX: Correct attribute flashing speed
ZX: add 3rd PSG and ZXNext scheme for it

https://github.com/samstyle/Xpeccy
http://www.emucr.com/2020/11/xpeccy-0620201122.html