Here are some recent threads about conditional moves:
Thread 124312
Thread 121331
Thread 122579
Thread 104192
You could also use "send feedback" at the bottom of each page or wait here for zozozozo/Daemon Sin/FabianFnas to show up with the answer.
There was an issue with En Passant in Conditional Moves but that was fixed quite a while ago. It should be possible to do both through conditional moves.
See Thread 104417.