Shaun:
less grainier
There is a filter which can rescue grainy low-light footage. It is a bit advanced, and it will bring your computer to its knees, but sometimes it works miracles.
This filter is available since version 20.06.
About wavelet denoising
Wavelet denoisers are excellent when decent-bitrate footage comes from a decent-quality camera, and the only real problem with the footage is high ISO noise or high thermal noise or photon shot noise. Wavelets are great at targeting inconsistency at the pixel level, as opposed to algorithms that average patches or regions, and end up smearing pixels in the process. A nice side effect of this precision is that gradients (es…