updated what's new.md

dist/preview release/what's new.md

@@ -32,6 +32,7 @@
 - Added `inputText.onTextCopyObservable`, `inputText.onTextCutObservable` and `inputText.onTextPasteObservable` to inputText ([Saket Saurabh](https://github.com/ssaket))
 - Added `AdvancedDynamicTexture.onClipboardObservable` to observe for clipboard events in AdvancedDynamicTexture([Saket Saurabh](https://github.com/ssaket))
 - Added `inputText.onFocusSelectAll` to allow complete selection of text on focus event.([Saket Saurabh](https://github.com/ssaket))
+- Added mouse drag to highlight text in inputText ([Saket Saurabh](https://github.com/ssaket))
 
 ### Core Engine
 
@@ -108,6 +109,7 @@
 - MakeNotPickableAndWrapInBoundingBox had unexpected behavior when input had scaling of 0 on an axis ([TrevorDev](https://github.com/TrevorDev))
 - Fixed an issue with loading base64 encoded images in the glTF loader ([bghgary](https://github.com/bghgary))
 - In multi-camera scenes the inspector would cause the camera's interaction events to get detached ([TrevorDev](https://github.com/TrevorDev))
+- Delete highlighted text on keyboard input, beat delay after double click event in InputText ([Saket Saurabh](https://github.com/ssaket))
 
 ### Core Engine
 - Fixed a bug with `mesh.alwaysSelectAsActiveMesh` preventing layerMask to be taken in account ([Deltakosh](https://github.com/deltakosh))