Release v2.3.0 · sparkjsdev/spark

2.3.0 (Sep 29, 2026)

Bug fixes and improvements

Fix / Enable on-demand rendering: Render a frame only when explicitly requested (#449, #451, #452) (fix #298) (@asundqui, @onderilkesever, @mrxz, @oscarlorentzon)
Make members of SplatEncoding non-optional to avoid repeated fallback handling (#415) (@mrxz)
Tree shaking improvements by focussing on classes that users might not need or use. (#417) (@mrxz)
Update dev dependencies: TypeScript and Vite, use Vitest for tests (#445) (@mrxz)
Use instanceof instead of isTexture flag for THREE.js type checking (#446) (@oscarlorentzon
)
Add typechecking to CI (#427) (@oscarlorentzon)
Take extended splats (ExtSplats) when writing SPZ. writeSpz only took PackedSplats (#440) (@oscarlorentzon)
Accept cookie and header options when loading splats (#459) (@oscarlorentzon)
Use the calling renderer's encoding for its splats. Fix issue when using two SparkRenderers as when rendering two different viewpoints simultaneously (#453) (@oscarlorentzon)
Run the Rust tests in Linux CI (#444) (@oscarlorentzon)
Docs improvements (@mrxz, @oscarlorentzon, @mrxz)
Improve tests (@mrxz, @oscarlorentzon, @mrxz)

Fix a GPU resource memory leak. Dispose geometry and material in SparkRenderer.dispose() (#410) (@ArisLiWind, @mrxz)
Fix references to repo URL (#426) (@oscarlorentzon)
Write non-finite SPZ rotations as the identity. Issue when writting SPZ v3 (#454) (@oscarlorentzon)
Allocate missing SH3 data texture for paged ext splats. Addresses RangeError: offset is out of bounds error (#424) (@oscarlorentzon)
Await WebAssembly initialization and check sh degress in transcodeSpz (#438) (fix #437) (@mrxz)
Await for WebAssembly initialization before writing SPZ (#448) (@oscarlorentzon)
Make built-in controls rotate around the controlled object's up axis instead of world y axis (#434) (fix #300) (@dev-xdh, @oscarlorentzon)
Read and apply maxSh passed in PagedSplats options. Previously ignored and SplatPager limit applied instead (#447) (@oscarlorentzon)
Fix wrong raycaster direction for pinch and press movement under a rotated parent (#435) (@oscarlorentzon)
Controls: Skip pointer frames that took no time (#436) (@oscarlorentzon)
Apply default encoding when none is given when writting PackedSplats (#439) (@oscarlorentzon)
Make rotation speed of keys and gamepad (XR controllers) consistent (#442) (@oscarlorentzon)
Regression. Restore v3 as the default version when outputting SPZ format (#441) (@oscarlorentzon)
Cancel scheduled work (spark updates, splat sorting) when disposing the renderer (#450) (@oscarlorentzon)