Memory utilization is reduced up to 75% for large and/or complex models.
Threading support can be enabled under preferences. This can reduce slice times for large and/or complex models by 40% or more. There is much more room for improvement, but this is a good start.
There is a new option in 3.0.D13 allowing you to test web assembly speedups as I roll them into the slicing engine. threaded and assembly each provide unique speedups. threaded + assembly is even faster when combined.
As of 3.0.D14, you can add a thumbnail to your gcode
