Z64K (2019/10/06) 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:
Handle cases where the Vertical smooth scroll is greater than the total number of scan lines per character with the VDC in bitmap mode.

http://www.z64k.com/
http://www.emucr.com/2019/10/z64k-20191006.html