New beta 5.5 b11 is still slow using Intel HD 4000 graphics with Windows 10 up-to-date. Also startup without a project is extremely slow, because of aerial view is starting (first black screen then gray).
Using powerful graphics NVidia NVE4000 (1GB Graph-RAM): Fast.

Version 5.5 Beta 11
Java version 1.8.0_144 / 64 bit / 5.4 GB max
Java 3D version 1.6.0