Update babylonjs to v9.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babylonjs/core (source)	9.11.0 → 9.12.0
@babylonjs/gui (source)	9.11.0 → 9.12.0
@babylonjs/loaders (source)	9.11.0 → 9.12.0
@babylonjs/materials (source)	9.11.0 → 9.12.0
babylonjs-gltf2interface (source)	9.11.0 → 9.12.0

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Release Notes

BabylonJS/Babylon.js (@​babylonjs/core)

v9.12.0

Compare Source

Addons

• Atmosphere import updates - by kircher1 (#​18536)

Core

• fix(Gsplat): Sort Worker Message Starvation in GaussianSplattingMesh - by raymondyfei (#​18554)
• Accept AbstractEngine in ThinRenderTargetTexture constructor - by AmoebaChant (#​18557)
• Fix CSG2 boolean operations for right-handed (glTF) meshes - [Bug Fix] by deltakosh (#​18556)
• Warn when uniform-stored bone matrices risk overflowing the vertex-uniform budget - by matthargett (#​18543)
• Fix PhysicsAggregate mutating caller's options object - [Bug Fix] by CedricGuillemet (#​18555)
• Fix NME post process / smart filter / procedural modes failing with 404 shader errors - [Bug Fix] by deltakosh (#​18549)
• Fix reentrant remove behavior - by CedricGuillemet (#​18552)
• incorrect side effect setting in rendeing pipline - by RaananW (#​18546)
• FrameGraph Geometry Renderer: Fix screenspace texture clear in reverse Z mode - [Bug Fix] by Popov72 (#​18545)
• Support SSAO2 with world-space normals - by matthargett (#​18539)
• Add HALF_FLOAT vertex buffer type support - by wiiskii (#​18524)
• Remove side-effect import closure baseline - by RaananW (#​18540)
• Node material: Fix PrePassOutput block in WebGPU - [Bug Fix] by Popov72 (#​18544)
• fix(GSplat): Gaussian Splatting shadow-caster geometry left dangling after camera disposal - by raymondyfei (#​18541)
• Fix KTX noMipmap flip for compressed sRGB mipmaps - [Bug Fix] by matthargett (#​18538)

GUI

• Fix reentrant remove behavior - by CedricGuillemet (#​18552)

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Project	Deployment	Actions	Updated (UTC)
atanas-info	Ready	Preview, Comment	Jun 13, 2026 9:31am

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud