v2.21.4

lejianwen/rustdesk-serverv2.21.4Aug 13, 2026by mvaligursky

AI Summary

Fixes a depth calculation issue in VSM (Variant Shadow Maps) shadow casting to prevent out-of-range depth errors.

Key Highlights

Fixes out of range depth in VSM shadow casters
Resolves shadow rendering artifacts

Full Release Notes

### Fixes

* Discard out of range depth in VSM shadow casters by @mvaligursky in #9124

**Full Changelog**: https://github.com/playcanvas/engine/compare/v2.21.3...v2.21.4