API additions

Incompatible changes

Bug fixes

#4900 Long file paths silently fail or cause crashes

#5350 Rendering camera should be included in random number seeds

#5374 Very low opacity clamped to 0

#5484 Always output actual shading normal in 'N' AOV

#5507 spot light bounds doesn't factor in lens radius

#5519 sg.Rd and ray.dir are sometimes not properly normalized