This is a patch release with only bug fixes and no new features included. Please see details below.

New Bug Fixes!

Android Renderer Fixes:

#3864 Invalid value for column width not defaulting to auto in Android

iOS Renderer Fixes:

#3863 No decimal point selector for Input.Number
#3908 Crash occurs when using custom input renderer in Swift
#3939 Adaptive card with subcard only returns data from subcard
#3953 Last character of TextRun does not honour defined style

Minor Breaking Changes in iOS

• To accomondate custom rendering in swift, interface has updated input's type to NSMutableArray* from NSArray* as shown in here
• This may create compiler warnings for existing custom renderers.

JS Renderer Fixes:

#2236 Make tabIndex on root card turnoff-able
#4027 Selected state not reflected for comboboxes in WebChat
#2235 Name/ Alt-text property is not properly defined for Images
#2240 Incorrect role is define for 'View details' control
#3914 Action.OpenUrl rendered buttons should have the "link" aria role
#2236 Focus is landing on non-interactive elements after activating the 'Show a simple' Adaptive cards button

UWP Renderer Fixes:

#3950 RichTextBlock TextRun with Action should use action title as Screen Reader text