hi @Walon1998 ,
The 5.6 is not ready due to a bug in 5.6, similar to the problem encountered on the GTX Pathfinding thread, which is like 2 files to patch.
LGPU 5.6 is 20 files and over 200 patches. The current patches are the latest until finding what’s wrong. My original 5.6 preview dev announcement stated there won’t be a binary to 5.6.1 production binary is launched as a result of problems in 5.5, which had no real fix after spending many hours.
There is no LGPU or PTHGTX for 5.5, as the binary crashed all projects and everything.
Currently, early 2026, recovering from a serious medical problem and therefore decided to retire from updating LGPU as described in the post
Luoshuang’s GPULightmass - 5.7 onward announcement post 2500