TL;DR of the article, generated automatically.

Babylon.js 9.33.3 is a patch release with fixes and a few additions.

• New: Flow Graph Editor gets sound reactions and diagnostics.
• Loaders: glTF Gaussian splats with KHR_gaussian_splatting_compression_spz now load.
• WebGPU: new opt-in maxFramesInFlight limit on frames the GPU has in flight.
• Fixes: cached draws reset when vertex buffers change, plus DirectionalLight shadows under reverse depth.