v4.3.0

Key Changes

• DrawerHost now supports CornerRadius #2333 @StefanoRivolta-Previero
• ListBox has new NavigationListBox styles #2335 @StefanoRivolta-Previero
• Clock styles updated to match Material Design spec #2338 @StefanoRivolta-Previero
• NavigationRail updated to better match Material Design spec #2348 @StefanoRivolta-Previero
• Calendar updated to better match Material Design spec #2356 @StefanoRivolta-Previero
• TreeView now supports hiding selection, and changing the size of the expander #2359 @StefanoRivolta-Previero
• Buttons now support secondary color and paper variants. #2376 @rrs
• Demo app now supports color adjustment on the Color Tool page. #2392 @FantasyTeddy
• RadioButton has new styles for various orientations. #2400 and #2402 @JorisCleVR
• Control's disabled opacity has been updated to better match the Material Design spec #2425 @Anopob
• ComboBox template updated. This addresses long standing issues with the control. #2428 @Keboo
• RangeSlider updated to match Slider #2449 @Yoooi0
• ComboBox updated to show the selected item in the drop down by default #2459 @guptaanmol184
• Selection color updated on TextBoxBase and Password box. #2469 @JeffBarnard
• Flat and Outline button styles updated to support progress. #2481 @StefanoRivolta-Previero
• PackIcon changes
• Full list of changes here

Please note the full list of breaking changes in 4.0.0 #1705

A big thank you to everyone who contributed (either logging issues or submitting PRs):
@ahmed-abdelrazek
@AmRo045
@Anopob
@AuroraDysis
@Awsmolak
@bebenins
@beechj
@chrisxvin
@Cohote
@D-Diyare
@database64128
@drepamig
@Drise13
@elvince
@FantasyTeddy
@guptaanmol184
@HeathJared
@HigherSY
@i2Chzamani
@icameron
@icarousfff
@igowshik
@jdbriaris
@JeffBarnard
@Job-madi
@JorisCleVR
@kamadakohei
@KelbyTansley
@M0n7y5
@malu222
@marcosgerene
@mgnslndh
@MohammadHadi2031
@rrs
@sbi2018
@StefanoRivolta-Previero
@stigrune
@TFTomSun
@Volker123
@Yoooi0
@yosefmah