- Removed external data from Engine (`addExternalData`, `getExternalData`, `getOrAddExternalDataWithFactory`, `removeExternalData`) ([Deltakosh](https://github.com/deltakosh/))
- The glTF loader extensions that map to glTF 2.0 extensions will now be disabled if the extension is not present in `extensionsUsed`. ([bghgary](https://github.com/bghgary))
- The STL loader does not create light or camera automatically, please use `scene.createDefaultCameraOrLight();` in your code [Sebavan](https://github.com/sebavan/)
+- The glTF2 exporter extension no longer ignores childless empty nodes.([drigax](https://github.com/drigax))