message: Update RELEASE_NOTES for 1.9.19
diff: @@ -5,9 +5,18 @@ A new header is inserted each time a *tag* is created.
  ## Next release (main branch)
  +## v1.9.20
  +
  ## v1.9.19
  +- engine: Fix Metal bug when setGeometryAt is called multiple times.
  +- engine: Improvements to DoF.
  +- engine: Fix RenderTarget NPE when depth is not present.
  +- engine: Improvements to Camera APIs. Move focus distance from DofOptions to Camera.
  - engine: VSM shadows now support `shadowMultiplier`.
  +- java: Expose severla MaterialInstance APIs (setColorWrite, setDepthWrite, setDepthCulling) that
  + should have been public.
  +- java: fix bug with Texture::setImage buffer size calculation.
  ## v1.9.18
  