If you encounter issues with this update, please post in the SteamVR Bug Report forum. If possible, please include a system report to aid in tracking down your issue. Replies to this post are not tracked for bug reporting purposes. Please use the forum linked above to report issues.

SteamVR:

• Disable window resizing and minimizing when window view has focus.
  
• Improved warning text for rare (display related) headset error.
  

OpenXR:

• xrCreateSwapchain will now return XR_ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED if the provided swapchain format is not on the list of enumerated formats.
  
• Added support for XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT
  
• Added support for XR_COMPOSITION_LAYER_BLEND_TEXTURE_SOURCE_ALPHA_BIT