Recompiled CUDA with support for more devices. Should also affect Optix.
This comes as 2 installers. One installs the Cycles Runtime, which may not change often so not worth downloading and installing over and over again. Install this first.
The other is the plugin installer that also installs the bridge. These are what would be changing constantly during development.
Remember only spotlights and mesh lights work with this at the moment. Basically as described here: