Excellent beta this b26 (x64). New Picasso96 RTG screen grabbing (e.g. 24bit WB and Chaospro own screen) and sliding works very well now without glitches (there were some issues with pointer corruption and freezing in all previous WinUAE versions...).
The only problem I've found testing 20-30 games (WHD and non) was with Leander (WHD latest slave) sword sprite(s) having a vertical "hole":