Core: rename .applyMatrix() to .applyMatrix4()

WebGLAttributes: Reduce heap allocations when using WebGL2 and partial buffer updates.

GLTFExporter: Add null check for skeleton while processing skinned mesh.

PMREMGenerator: Fix viewport/scissor settings.

Docs: Use BufferGeometry in "Drawing lines" guide.

OutlinePass: Add support for skinning/morph targets.

Docs: Improve CSS in creating-a-scene guide.

Examples: Fix use of removed GeometryUtils method.

Examples: Clean up

WebXR: Allows near and far clipping to be set

WebGLUniforms: Support uint uniform type.

WebGLPrograms: Avoid warnings with WebGL2.

Shaders: remove envMap flipping for CUBE_UV textures

NodeMaterial: fixes

WebGLRenderer: removed outdated flipEnvMap comments

Added new tone mapping example

WebGLRenderTarget: pass optional mapping property to Texture constructor