message: Update RELEASE_NOTES for 1.9.22
diff: @@ -5,11 +5,21 @@ A new header is inserted each time a *tag* is created.
  ## Next release (main branch)
  -- engine: Add new `Renderer::renderStandaloneView()` API.
  +## v1.9.23
  +
  - libs: New `iblprefilter` library to compute IBL pre-integration on the GPU using filament.
  ## v1.9.22
  +- NEW API: `Renderer::renderStandaloneView()` is a new method that can be used outside of
  + beginFrame/endFrame on Views that have a RenderTarget associated. This can be used as a
  + pseudo-compute API.
  +- Vulkan: bug fixes and improvements.
  +- engine: RenderTarget API can now use MRT.
  +- sample-gltf-viewer: improvements for reading zip files.
  +- sample-gltf-viewer: enable contact-shadows functionality in mobile gltf-viewer.
  +- windows: fix build error in filament_framegraph_test.
  +
  ## v1.9.21
  - JavaScript: add missing TextureSampler bindings.
  