TextRun feature not supported by MS Teams

[JumbaJookiba]

Platform

What platform is your issue or question related to? (Delete other platforms).

• MS Teams

Author or host

I send cards to Teams through webhook connectors.

Version of SDK

What version are you using? Ex: NuGet 1.0.2, or latest main, etc...

Issue

While (https://learn.microsoft.com/en-us/microsoftteams/platform/task-modules-and-cards/cards/cards-reference#adaptive-card) states that MS Teams support version 1.5 of the AC schema, the webhook rejects cards containing TextRun, that is present since v1.2