FPS Infinite has been updated to v1.4.9 and includes an engine update (Focus Engine v3.8.3). This engine updates to OpenVR v1.12.5 (latest) among some other stability and performance improvements.
5089's sequel is making great progress! Come see early screenshots, be considered for testing (where you can get a free copy of the game) and more @ https://discord.gg/k6pG5H5
v1.4.10 updates to Focus Engine v3.8.4, which adds a popup message if the game failed to create a window (almost always due to video cards/drivers that don't support Vulkan).
v1.4.13 includes some Vulkan fixes to improve compatibility for certain hardware configurations.
v1.4.14 fixes some very rare crashes and updates to FocusEngine v3.8.7
v1.4.15 includes an engine update (FocusEngine v3.8.12), which has minor mouse processing improvements and other misc performance fixes