Wine Stable 2.0.2 maintenance release just came out... and they added all the VST related fixes from the staging version
https://www.winehq.org//announce/2.0.2
Native Instruments Native Access 1.0.25 (R37) crashes on unimplemented function concrt140.dll.??1_ReentrantBlockingLock@details@Co ncurrency@@QAE@XZ
Kontact 5.6 needs api-ms-win-crt-time-l1-1-0.dll._Wcsftime
Kontact 5.6 needs concrt140.dll.??0_ReentrantBlockingLock@details@Co ncurrency@@QEAA@XZ