Update notable changes.

Author: create3000

docs/_posts/what's-new.md

@@ -20,8 +20,8 @@ In addition, the glTF parser can now handle [KHR_meshopt_compression](https://gi
 - [x] glTF parser can now handle [EXT_texture_avif](https://gltf-transform.dev/modules/extensions/classes/EXTTextureAVIF).
 - [x] glTF parser can now handle [EXT_texture_video](https://github.com/takahirox/EXT_texture_video/README.md).
 - [x] Improved Wavefront OBJ Parser to handle multi materials and color per vertex.
-- [x] Improved Wavefront STL Parser.
-- [x] Improved Wavefront PLY Parser.
+- [x] Improved Wavefront STL Parser to convert model to X3D coordinate system.
+- [x] Improved Wavefront PLY Parser to convert model to X3D coordinate system in some cases.
 - [x] [EnvironmentLight](/x_ite/components/lighting/environmentlight/) is now able to handle [GeneratedCubeMapTexture](/x_ite/components/cubemaptexturing/generatedcubemaptexture/) nodes.
 - [x] Selecting *Context Menu > World Info* will now also show all metadata.
 - [x] Fixed issue with glTF skins when the skeleton is used multiple times.