# Outline v1.9.1

- Product: Outline (https://whatsnew.fyi/product/outline)
- Vendor: Outline
- Date: 2026-07-13
- Version: v1.9.1
- Original notes: https://github.com/outline/outline/releases/tag/v1.9.1
- Permalink: https://whatsnew.fyi/product/outline/releases/v1.9.1

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'.

---

- **added** — Added importer support for Slab
- **added** — Added support for rgb and hsl swatches
- **added** — New sidebarHidden query option
- **changed** — Empty list tool results in MCP now return improved responses
- **changed** — Unfurl previews for heading links are now aware of heading links
- **added** — Added comment marks in editor gutter
- **fixed** — Long code words no longer cause comment bound overflow
- **fixed** — Desktop sign-in supported for self-hosted deployments
- **fixed** — Fix image overflow in table cells
- **fixed** — Fixed foreignObject sizing in Mermaid diagrams
- **fixed** — Prevent collapsed sidebar opening during text selection
- **fixed** — Improved fast-click behavior in sidebar
- **fixed** — Comments menu now works correctly when triggered from a document list
- **fixed** — Service worker loading

##### What's Changed

###### Improvements

* Added importer support for [Slab](http://slab.com/) in https://github.com/outline/outline/pull/12859
* Added support for `rgb`, `hsl` swatches in https://github.com/outline/outline/pull/12972
* New `sidebarHidden` query option in https://github.com/outline/outline/pull/12947
* Empty list tool results in MCP now return improved responses by @syf2211 in https://github.com/outline/outline/pull/12864
* Unfurl previews for heading links are now aware of heading links in https://github.com/outline/outline/pull/12857
* Added comment marks in editor gutter in https://github.com/outline/outline/pull/12840

###### Fixes

* Long code words no longer cause comment bound overflow in https://github.com/outline/outline/pull/12961
* Desktop sign-in supported for self-hosted deployments in https://github.com/outline/outline/pull/12952
* Fix image overflow in table cells by @tsushanth in https://github.com/outline/outline/pull/12902
* Another fix for foreignObject sizing in Mermaid diagrams by @tsushanth in https://github.com/outline/outline/pull/12872
* Prevent collapsed sidebar opening during text selection in https://github.com/outline/outline/pull/12965
* Improved fast-click behavior in sidebar in https://github.com/outline/outline/pull/12966
* Comments menu now works correctly when triggered from a document list in https://github.com/outline/outline/pull/12968
* Service worker loading in https://github.com/outline/outline/pull/12978

##### New Contributors
* @tsushanth made their first contribution in https://github.com/outline/outline/pull/12902
* @syf2211 made their first contribution in https://github.com/outline/outline/pull/12864

**Full Changelog**: https://github.com/outline/outline/compare/v1.9.0...v1.9.1