The release of Yosemite happened to correspond with the release of DW CC 2014.1 update.
That update broke our extensions activation, so we had tho focus our efforts on updating the extensions to fix the DW CC 2014.1 compatibility issues as that effected all OS's.
Now that those updates are complete, we are looking at the compatibility issues with Yosemite.
So far, it is pretty much only DW CS 6 that has problems, and the problem seams to be rooted in DW CS6 itself. it is looking like a memory leak in CS6 that is causing the crash.
We're looking to try and find a way around the problem, but the reality is we might not be able to. The crash is inconsistent, so that makes it very difficult to pin point.
We can't really give a time frame on when we will have a fix. we just don't know what the fix will be. As we have more information, we will make that information available.
We have had reports form users using other versions of DW with out the crashing problem, and our testing has shown that it works in other DW versions as well.