Here's whatsnew:
...improvements in the IRQ and VSync signals provide precise
synchronization ("Dragon's Lair", "Kat-Trap"), bugfixes in the FDC
support Titus' disc protection scheme ("Wild Streets", "Knight Force")
and the Z80 search function and ZIP support have been improved as well.

Get it here:
http://cpce.emuunlim.com/cpc_zip.htm

-Trebor