What is your blender and Blendluxcore version ?
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Blender 2.83.7
Luxcore 2.5
Kubuntu 20.04
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Can you try with 2.83 LTS instead. It should work.
yes i know that. i want affect both build time and rendering perf.Brute force radius scale has no influence on the cache building time, it only influences rendering performance after the cache is built.
It is green NowIt will be available once the orange circle here turns into a green checkmark: https://github.com/LuxCoreRender/LuxCor ... 0ba6febf19