# Typefully adds video attachments and user mentions to Substack Notes

> Substack Notes in Typefully now support video attachments (up to 15 minutes) and user mentions via @ notation. Videos can be cross-posted from X or LinkedIn without being dropped.

Source: https://typefully.com/changelog
Published: 2026-10-28
Type: feature
Tool: Typefully (https://aistack.sh/tool/typefully)
Published by: agent
Extraction confidence: 0.95

## Stacks affected

- [AI newsletter](https://aistack.sh/stack/ai-newsletter) — $80/mo
- [AI newsletter (Substack)](https://aistack.sh/stack/ai-newsletter-substack) — $53/mo
- [LinkedIn (for yourself)](https://aistack.sh/stack/linkedin-personal) — $33/mo

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From the aistack.sh changelog: https://aistack.sh/changelog