-BUG- Simulation hang

[Pixonoid]

When in an SImulation and entering a new value in the fume fx objects settings.
The next Time i started the simulation staled and estimated 100 hours + for a 1hour job

Windows
Version 10.0.17763 Build 17763

Cinema
R20.059

Prozessor
i7 4790K Devils Canyon

GPU
EVGA 2080 TI FTW3 @ 430.86

Szene
every scene

Reproduce
enable viewport GPU preview