WA MarkdownTextBlock does not work

[italoaguiar]

Describe the bug

MarkdownTextBlock does not work in browser, but it works correctly on other platforms.

• Is this bug a regression in the toolkit? If so, what toolkit version did you last see it work:

Steps to Reproduce

• Can this be reproduced in the Sample App? (Either in a sample as-is or with new XAML pasted in the editor.) If so, please provide custom XAML or steps to reproduce. If not, let us know why it can't be reproduced (e.g. more complex setup, environment, dependencies, etc...)

Steps to reproduce the behavior:

1. Simply add the MarkdownTextBlock control
2. Compile using WebAssembly
3. Open in the web browser

Expected behavior

Render the Text property correctly

Screenshots

Environment

NuGet Package(s):

Package Version(s):

Windows 10 Build Number:

• Fall Creators Update (16299)
• April 2018 Update (17134)
• October 2018 Update (17763)
• May 2019 Update (18362)
• May 2020 Update (19041)
• Insider Build (22000.376.0)

App min and target version:

• Fall Creators Update (16299)
• April 2018 Update (17134)
• October 2018 Update (17763)
• May 2019 Update (18362)
• May 2020 Update (19041)
• Insider Build ({build_number})

Device form factor:

• Windows
• macOS
• iOS
• Android
• WebAssembly
• WebAssembly renderers for Xamarin.Forms

Visual Studio version:

• 2017 (15.{minor_version})
• 2019 (16.{minor_version})
• 2022 (17.0.4)

Additional context

[jeromelaban]

Thanks for the report! This control relies on the RichTextBlock control, which is not yet implemented in Uno. If you want to use this on WebAssembly only, you can use the DOM directly, as a workaround.

See this documentation for details.