[groggler]

Not really.. numerous changes are still not a total redesign of whichever subsystem was affected so it's pretty obvious where some small security relevant changes are. A stupid embargo was always enough to ruin security by code analysis for white hats but never enough to stop attacks by code analysis for black hats.

[lima]

Yep, people have been reversing huge Windows patches for decades and it never stopped anyone from figuring out what the fixes were.