Performance issues and graphical bugs

Specs:
Latest Windows 10
CPU: Intel i7-4790K @4GHz
RAM: 16GB
GPU: NVIDIA GeForce RTX 2070 SUPER

Settings:
No VSync, Vulkan Renderer, no triple-buffering, 200 FPS Cap, High details, 8x Anisotropic Filtering, no dynamic resolution (to avoid ugly graphics)

Since the most recent update the game is playable again. However for no reason in my hideout my pc goes hot and i have an unstable performance:



Also during mapping the performance isn't much better and especially in the beginning of a map there appear to be a number of issues including graphical bugs:



Can't you just go back to the previous particle system and give us the possibility to play? I don't understand how hard it is to let the people play your game.