Xpeccy 0.6.20210703 is released. Xpeccy is an emulator for ZX Spectrum running on the Unix/Linux OS.

Xpeccy Changelog:
Fix GeneralSound interrupts
Improve keymap file (you can chose up to 7 keys in row: CSz4 or C2)
Ability to map pc keys to joystick (JU/JD/JR/JL/JF/J2/J3/J4 in keymap file)
Init gamepad-to-key repeat interval
deBUGa: fix palette applying
Respect SDL1/SDL2 audio differences

Download: Xpeccy 0.6.20210703
Source: Here