This smaller update includes some optimizations, visual improvements and bug fixes.
Changelog:
Added non-AVX2 naive gravity
Optimized Z-Curves
Added naive gravity for close interactions with B-H
Optimized quadtree draw calls
Removed text from 2D Z-Curves drawing
Fixed ghosting artifacts
Fixed constraints not working correctly in 3D mode bug
Set turbulence to 0 when grabbing particles
Added Flat 3D Particles button to toggle how particles are displayed
Made shockwave color logarithmic in 3D
Fixed high speed particle trails
Disabled playback settings when in 2D mode
Added domain friction
Added better glow
Added glow settings
Remade presets
Saves prior to this version will not work (sorry again)