Babylon.js/dist/preview release/what's new.md

3.1.0:

Major updates

• Added support for webgl context lost and restored events. Doc here (deltakosh)
• Added support for non-pow2 textures when in WebGL2 mode (deltakosh)
• Engine can now be initialized with an existing webgl context (deltakosh)
• Introduced behaviors. Doc here (deltakosh)
• Added support for WebGL Occlusion queries. Doc here (Ibraheem Osama)
• New behaviors for ArcRotateCamera Doc here:
  • AutoRotation (deltakosh)
  • Framing (deltakosh)
  • Bouncing (deltakosh)
• New InputText for Babylon.GUI. Doc here (deltakosh)
• New VirtualKeyboard for Babylon.GUI. Doc here (deltakosh / adam)
• Added support for depth pre-pass rendering. Doc here (deltakosh)
• Added support for material.separateCullingPass. Doc here (sebavan)
• Added support for Windows Motion Controllers (Lewis Weaver)
• Added support for Particle animation in ParticleSystem. Doc here (Ibraheem Osama)
• More robust TypeScript code with strictNullChecks, noImplicitAny, noImplicitThis and noImplicitReturns compiler options (deltakosh)
• Introduced NullEngine which can be used to use Babylon.js in headless mode. Doc here (deltakosh)

Updates

• Support for non uniform scaling. Normals are now correctly computed (deltakosh)
• Added MultiObserver. Doc here (deltakosh)
• Added shadowGenerator.addShadowCaster and shadowGenerator.removeShadowCaster helper functions (deltakosh)
• Several inspector improvements (temechon)
• New observables for actions: onBeforeExecuteObservable for all actions and onInterpolationDoneObservable for InterpolateValueAction (deltakosh)
• New observables for gamepads: onButtonDownObservable, onButtonUpObservable, onPadDownObservable, onPadUpObservable (deltakosh)
• New camera.storeState() and camera.restoreState() functions to store / restore cameras position / rotation / fov. (Doc here)http://doc.babylonjs.com/tutorials/cameras#state
• POW2 textures rescale is now done by shaders (It was previously done using canvas) (deltakosh)
• Added SceneLoader.CleanBoneMatrixWeights to force the loader to normalize matrix weights when loading bones (off by default) (deltakosh)
• Added camera.onViewMatrixChangedObservable and camera.onProjectionMatrixChangedObservable (deltakosh)
• Added support for folders when drag'n'dropping into the sandbox (deltakosh)
• Better serialization support (deltakosh)
• Introduced performanceMonitor class to get better FPS analysis (deltakosh)
• GUI: Added support for pointer move events on projected UI (deltakosh)
• Normals are generated automatically by StandardMaterial if meshes do not have normals (deltakosh)
• Added mesh.onMaterialChangedObservable to notify when a new material is set (deltakosh)
• Improved the SPS perfs for dead or invisible solid particles (jerome)
  
• Added enableDepthSort parameter to the SPS in order to sort the particles from the camera position (jerome)

Bug fixes

• Fixed a bug with PBR on iOS (sebavan)

Breaking changes

• Gamepads was removed in favor of scene.gamepadManager
• DynamicFloatArray, MapTexture and RectPakingMap were removed because there were not used anymore