So....we used to have arround CM instances wrong. There was a problem with the trailer and we fix it. http://code.google.com/p/pharo/issues/detail?id=4186 Then we did: http://code.google.com/p/pharo/issues/detail?id=4192 and, dev image took hous to finish: http://code.google.com/p/pharo/issues/detail?id=4200 because the Compiler recompileAll take ages because of the becomeFordward: it does for the #dropSourcePointer then igor solve it, it took less time, but we start to loose the source pointer of COmpiledMethods while loading stuff from MC. in addition, objects as methods started to fail because they do not implement #dropSourcePointer: http://code.google.com/p/pharo/issues/detail?id=4195 so...al users of #run:with:in: should also be broken now, like TestCoverage, etc.... so...what do we do? I would like to: 1) have a fast/normal recompileAll 2) not to loose source code If the only way right now is rollbacking #dropSourcePointer and rollbacking the implementation in objects as methods, please do it. Right now we are in the worst case. For example, today when I discover the bug of loosing sources...I commit my own package with a lots of methods with the decompiled source...it took time to fix it. So I think it is important to fix this. Cheers -- Mariano http://marianopeck.wordpress.com