## Lecture Videos (Preview)

> [!NOTE]
> This release adds new capabilities for Lecture Videos, which remain
under active development and are not yet officially supported in Groups.
APIs, features, and UI/UX may change before final release.
>
> Lecture Video mode is currently visible only to institutional admins
when creating an assistant.

### New Features
* Lecture Video assistants can show math and notation with LaTeX while
speaking a natural-language version during narrated responses.
* Message history, thread exports, and generated audio use the
appropriate written or spoken version of Lecture Video assistant
responses.

### Updates & Improvements
* Lecture Video assistants now automatically use LaTeX and advanced
markup so written responses and spoken narration stay aligned.
* Assistant prompt previews now include the Lecture Video spoken/written
output instructions.