The bulk of important changes are found on the release notes page.
Below is a list of removed or deprecated options, features, etc. These may have been redundant and removed to better streamline workflows. Please see the existing documentation on Options, Attributes, and more in this section of the docs.
The following are deprecated and will be removed in a future release.
The API functions
GetTransmissionAndPdfs() have been deleted. Their extra pdfs were only used by the UPBP integrator (which we're retiring in 23)
RixLPE::SplatEmission `bool isShadowCollector`
RixLPE::SplatValue `bool isShadowCollector` parameter
RixLPE::SplatValue `RtColorRGB const& shadowWeight` parameter
RixLPE::SplatPerLobe `bool isShadowCollector` parameter
RixLPE::SplatPerLobe `RtColorRGB const& shadowWeight` parameter