# 3.3.0

## Major updates

- Added a ParticleHelper class to create some pre-configured particle systems in a one-liner method style ([DevChris](https://github.com/yovanoc))

## Updates

### Core Engine

- Added new `Animatable.waitAsync` function to use Promises with animations. Demo [Here](https://www.babylonjs-playground.com/#HZBCXR) ([Deltakosh](https://github.com/deltakosh)) 
- Added the choice of [forming a closed loop](http://doc.babylonjs.com/how_to/how_to_use_curve3#catmull-rom-spline) to the catamull-rom-spline curve3 ([johnk](https://github.com/babylonjsguide))
- Added support for specifying the center of rotation to textures ([bghgary](http://www.github.com/bghgary))
- Added webVR support for Oculus Go ([TrevorDev](https://github.com/TrevorDev))
- Added ability to not generate polynomials harmonics upon prefiltered texture creation ([sebavan](http://www.github.com/sebavan))
- Added predicate function to customize the list of mesh included in the computation of bounding vectors in the ```getHierarchyBoundingVectors``` method ([sebavan](http://www.github.com/sebavan))
- Added webVR constructor options: disable laser pointer toggle, teleportation floor meshes ([TrevorDev](https://github.com/TrevorDev))
- Get a root mesh from an asset container, load a mesh from a file with a single string url ([TrevorDev](https://github.com/TrevorDev))

### glTF Loader

- Added support for KHR_texture_transform ([bghgary](http://www.github.com/bghgary))

### Viewer

- No fullscreen button on small devices ([RaananW](https://github.com/RaananW))
- Nav-Bar is now disaplayed on fullscreen per default ([RaananW](https://github.com/RaananW))
- Viewer configuration supports deprecated values using the new configurationCompatibility processor  ([RaananW](https://github.com/RaananW))

## Bug fixes

### Core Engine

- Fixed ```shadowEnabled``` property on lights. Shadows are not visble anymore when disabled ([sebavan](http://www.github.com/sebavan))
- Physics `unregisterOnPhysicsCollide` didn't remove callback correctly [#4291](https://github.com/BabylonJS/Babylon.js/issues/4291) ([RaananW](https://github.com/RaananW))
- Added missing getter and setter for global exposure in ColorCurves ([RaananW](https://github.com/RaananW))
- Fixed an issue with view matrix when `ArcRotateCamera` was used with collisions ([Deltakosh](https://github.com/deltakosh)) 

### Viewer

- Fix Navbar Interaction on Mozilla/Firefox ([SzeyinLee](https://github.com/SzeyinLee))
- Fix Animation Slider Interaction on Mozilla/Firefox ([sebavan](http://www.github.com/sebavan))
- Fix Animation Slider Clickable area size Cross Plat ([sebavan](http://www.github.com/sebavan))
- Ground material didn't take the default main color is no material definition was provided ([RaananW](https://github.com/RaananW))

## Breaking changes