Here's our recent Eevee realtime nebulae dump (from the Nebula course update 1.1). All rendered in Blender 4.0 and 4.1 using Eevee. Teaser: https://www.youtube.com/watch?v=EBGjeJgVv3o
Eevee multi-light
An eevee nebula flythrough
Light scattering
Flythrough
Eevee viewport
Shadowless shader
Eevee Nebula course update 1.1 teaser