The last trunk version I was able to open on my Mac was 0.8.0-a0-4469-gd50b30d. Nothing I've downloaded since then, including the 0.8.0 prerelease, will open. "You cannot open the application "Dungeon Crawl Stone Soup-1" because it may be damaged or incomplete." Any idea what I m...

I'm running the latest unstable build on my Mac, and it's really laggy. This has already been reported as a bug and removing the new Commands tab seems to fix it, but I don't know how to do this. Can someone please help me out?