i posted this because i herd rumours but now i can prove them wrong i just found this on the java 3d features page that mean it probley still supported
it is the top one

Desired Features
Cg shader support for DirectX 9 - (Issue 218)
Lightweight Canvas3D (e.g., JCanvas3D) - (Issue 131)
Point sprites - (Issue 188)
Move compressed geometry from core to utils - (Issue 246)
Texture optimizations:
Use OpenGL automatic mipmap generation - (Issue 126)
Need Windows/amd64 port of Java 3D - (Issue 147)
Change to using nanoTime internally for alpha interpolators - (Issue 214)
More efficient use of CPU/resources by modifying scheduling behaviour - (Issue 261)
P4 bugs: defects