# Outline v1.6.1

- Product: Outline (https://whatsnew.fyi/product/outline)
- Vendor: Outline
- Date: 2026-03-18
- Version: v1.6.1
- Original notes: https://github.com/outline/outline/releases/tag/v1.6.1
- Permalink: https://whatsnew.fyi/product/outline/releases/v1.6.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Fixed a bug affecting file and image upload in the editor
- **added** — MCP now has tools to move documents within a collection
- **added** — MCP now supports API key header authentication
- **added** — Added Tahoe-compatible icon variants for PWA
- **fixed** — Fixed a race condition when editing title while doc is saving would reset the title
- **changed** — Print layout now respects full-width option
- **fixed** — Fixed a page hang with corrupted PNG upload
- **changed** — Improved validation of SMTP_FROM_EMAIL and SMTP_REPLY_EMAIL
- **fixed** — Custom port is now preserved in OAuth metadata URLs when self-hosted behind a reverse proxy
- **added** — It is now possible to create a nested doc when using @mention
- **added** — Added a guard against concurrent restore while deleting

##### What's Changed

###### Fixes and improvements

* A bug affecting file and image upload in the editor was fixed in https://github.com/outline/outline/pull/11803
* MCP: Now has tools to move documents within a collection in https://github.com/outline/outline/pull/11799
* MCP: Now supports API key header authentication in https://github.com/outline/outline/pull/11798
* Added Tahoe-compatible icon variants for PWA in https://github.com/outline/outline/pull/11762
* Fixed a race condition when editing title while doc is saving would reset the title in https://github.com/outline/outline/pull/11764
* Print layout now respects full-width option by @wmTJc9IK0Q in https://github.com/outline/outline/pull/11768
* Fixed a page hang with corrupted PNG upload in https://github.com/outline/outline/pull/11783
* Improved validation of `SMTP_FROM_EMAIL` and `SMTP_REPLY_EMAIL` in https://github.com/outline/outline/pull/11784
* Custom port is now preserved in OAuth metadata URLs when self-hosted behind a reverse proxy in https://github.com/outline/outline/pull/11791
* It is now possible to "Create a nested doc" when using @mention in https://github.com/outline/outline/pull/11800
* Added a guard against concurrent restore while deleting by @dearlordylord in https://github.com/outline/outline/pull/11775

##### New Contributors
* @dearlordylord made their first contribution in https://github.com/outline/outline/pull/11775

**Full Changelog**: https://github.com/outline/outline/compare/v1.6.0...v1.6.1