# Outline v1.9.0

- Product: Outline (https://whatsnew.fyi/product/outline)
- Vendor: Outline
- Date: 2026-07-09
- Version: v1.9.0
- Original notes: https://github.com/outline/outline/releases/tag/v1.9.0
- Permalink: https://whatsnew.fyi/product/outline/releases/v1.9.0

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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- **removed** — Removed the ability to collapse any heading
- **added** — Date mentions are now supported
- **added** — Login with Passkey is now supported on desktop
- **fixed** — Markdown input such as --- now works after a soft-break
- **added** — MCP now supports reading and using templates
- **added** — Added document restore tool to MCP
- **changed** — MCP document_update and collection_update tools now return error when no changes occur
- **added** — Add HTML input support to MCP create_document tool
- **changed** — Newly created collections via MCP now default to private
- **changed** — Make client_name optional on /oauth/register
- **added** — Add WWW-Authenticate header to /mcp 401 responses
- **changed** — Table menus in editor now include alignment options for rows
- **added** — Added support for Slack-style +:100: reaction shorthand
- **added** — Added PROXY_HEADERS_TRUSTED env option (defaults to true)
- **added** — CloudFront support for signed attachment URLs
- **changed** — Table sorting is now IP-address aware
- **added** — Small images can now be displayed inline for iconography
- **added** — Added support for presigned PUT uploads for S3-compatible storage
- **added** — Image corner drag resizing is now enabled
- **added** — Added spec-compliant OIDC logout

##### What's Changed

Note that with this release the ability to collapse any heading was removed. We introduced toggle sections a few releases ago – this and [toggle headings](https://www.getoutline.com/changelog/toggle-headings) replace this capability with something that works much better for multiplayer environments.

###### Highlights 

* [Date mentions](https://www.getoutline.com/changelog/date-mentions) are now supported
* Login with Passkey is now supported on desktop in https://github.com/outline/outline/pull/12749
* Markdown input such as `---` now work after a soft-break in https://github.com/outline/outline/pull/12925

###### MCP

* Now supports reading and using templates in https://github.com/outline/outline/pull/12639
* Added document restore tool in https://github.com/outline/outline/pull/12575
* `document_update`,`collection_update` tools now return error when no changes occur in https://github.com/outline/outline/pull/12890
* Add HTML input support to `create_document tool by @Ali-ovo in https://github.com/outline/outline/pull/12943
* Newly created collections via MCP now default to private in https://github.com/outline/outline/pull/12644
* Make `client_name` optional on /oauth/register by @cassvail in https://github.com/outline/outline/pull/12836
* Add `WWW-Authenticate` header to /mcp 401 responses by @cassvail in https://github.com/outline/outline/pull/12834

###### Other improvements

* Table menus in editor were improved and now include alignment options for rows in https://github.com/outline/outline/pull/12611
* Added support for Slack-style `+:100:` reaction shorthand in https://github.com/outline/outline/pull/12650
* Added `PROXY_HEADERS_TRUSTED` env option (defaults to true) in https://github.com/outline/outline/pull/12676
* CloudFront support for signed attachment URLs by @oliinykdm in https://github.com/outline/outline/pull/12656
* Table sorting is now IP-address aware in https://github.com/outline/outline/pull/12734
* Small images can now be displayed inline for iconography in https://github.com/outline/outline/pull/12776
* Added support for presigned PUT uploads for S3-compatible storage by @nmnmcc in https://github.com/outline/outline/pull/12748
* Image corner drag resizing is now enabled by @UmbraCi in https://github.com/outline/outline/pull/12690
* Added spec-compliant OIDC logout in https://github.com/outline/outline/pull/12804
* Add support for OIDC provider returning JWT from userinfo endpoint in https://github.com/outline/outline/pull/12879

###### Fixes

* PDF display now correctly scales on mobile in https://github.com/outline/outline/pull/12608
* place cursor at start of inserted table row/column in https://github.com/outline/outline/pull/12610
* Improve patch merging of links in table cells through MCP in https://github.com/outline/outline/pull/12614
* Code blocks auto-collapse while editing in https://github.com/outline/outline/pull/12616
* Spurious post-import edits in https://github.com/outline/outline/pull/12620
* Before/After creation options appear in menu when no permission on parent doc in https://github.com/outline/outline/pull/12629
* Updated `validateUrlNotPrivate` to match implementation in SSRF in https://github.com/outline/outline/pull/12636
* Widen validated emails for Azure in https://github.com/outline/outline/pull/12637
* Pasted content sometimes appears in plaintext in https://github.com/outline/outline/pull/12638
* Dragging images in editor in https://github.com/outline/outline/pull/12647
* perf: Improve performance of in-page search in https://github.com/outline/outline/pull/12649
* Prevent selecting word-joiner characters around multiplayer cursor in https://github.com/outline/outline/pull/12660
* Reject collections.update requests that include both `description` and `data` in payload in https://github.com/outline/outline/pull/12648
* Improve markdown serialization speed in https://github.com/outline/outline/pull/126

_[Truncated at 4000 characters — full notes: https://github.com/outline/outline/releases/tag/v1.9.0]_