v2026.8.20

Changelog
- General improvement in splat quality
- Fix bug that causes floaters around objects when mask is present
- Add visualization for pixel error map (used to allocate splats during training)
- Support creating datasets from videos in OSV format
- Fix occasional crash

Notes:
- This release carries difference in training quality intended to be improvement. Please file an issue if you notice significant quality degradation compared to previous versions on your dataset.
- For datasets without strong lighting variation, training time can be reduced by a large factor by disabling bilagrid and PPISP. This is the case for this version as well as all previous released versions.