Matrix 12 v2 2.0.4.1120
Synclavier 1.0.4.1109
Both are hard crashing DP 9, latest version on El Capitan OSX, the VST don’t even make it through the plug in examination process.
They freeze DP9 at that point, Force quit is all that works to regain control of the computer. Reverting to older versions fixes the problem