Z64K (2020/12/30) is released. Pixel exact emulation of the Commodore 64, VIC 20 and Atari 2600 written entirely in Java. The emulators should run on any platform with an updated java runtime environment installed.

Z64K Changelog:
30 December - Version 2 of Z64K only
Minor change to exit screenshot support
29 December - Version 2 of Z64K only
Save screenshots on exit of c128 mode for TestBench
Screen shot options available in media settings. TestBench screenshots are saved in the format VICE testbench uses for it's test suite. 1:1 pixel default (aspect ration not maintained), 4:3 aspect ratio - Use X or Y as the base dimension.
28 December - Version 2 of Z64K only
C128 extra keys options available in model settings

Download: Z64 (2020/12/30)
Source:Here