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

New Bug Fixes!

Android Renderer Fixes:

1. [Android][Input.Choice] Spacing within Input.Choice sets not rendered.
2. [Android][Render Problem] [Buttons Disappear after clicking an Action.OpenUrl]
3. [Adaptive Cards / Platform Discrepancy] Excess spacing in empty text blocks
4. [Mobile][Usability] [No Chevron on Action.ShowCards]
5. [Mobile][Markdown support] [Markdown with the * does not work on mobile renderers]

iOS Renderer Fixes:

1. [iOS][InputField - Keyboard] [Japanese keyboard is not working properly with ACRTextField input field]
2. [iOS][ColumnSet] [Auto and stretch columns have the same behaviour]
3. [Ios] [Adaptive Cards Input Toggle(CheckBox) display issue in Iphone]
4. [Adaptive Cards / Platform Discrepancy] Excess spacing in empty text blocks
5. [iOS][Font color - Input Fields] [Font color in ACRTextView gets overwritten]
6. [Mobile][Usability] [No Chevron on Action.ShowCards]
7. [Mobile][Markdown support] [Markdown with the * does not work on mobile renderers]
8. [iOS][Rendering] Crash occurs when ColumnSet has height: stretch
9. [IOS][Layout] [When put submit button on the right column of the card, it could be cut off]

UWP Renderer Fixes:

1. [UWP][Image] [Image doesn't include spacing]
2. [UWP] Improve performance of base64 decoding
3. [UWP] JSON parsing performance
4. [Adaptive Cards / Platform Discrepancy] Excess spacing in empty text blocks
5. [Mobile][Markdown support] [Markdown with the * does not work on mobile renderers]