# unified: what changed from 10 to 11

- Product: unified (https://whatsnew.fyi/product/unified)
- Vendor: unified
- Range: changelog entries numbered after 10.1.2 up to and including 11.0.5, stable releases only
- Entries below: 6 releases (newest first)
- Resolved: 10 is 10.1.2 and 11 is 11.0.5, the newest stable release of each major we track
- Carrying security changes: 0 · CVEs mentioned: 0 · Mentioning breaking changes: 0 · Removing or deprecating something: 1
- Page: https://whatsnew.fyi/product/unified/compare/10...11

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'.

## What changed (20 changes, grouped by kind)

### Added

#### 11.0.4 (2023-10-26)

- Add TypeScript declaration maps

#### 11.0.0 (2023-08-15)

- Add Data and Settings types to augment shared data
- Add improved types
- Add useful error message on empty presets

### Changed

#### 11.0.0 (2023-08-15)

- Require Node.js 16
- Update @types/unist
- Update vfile to 6.0.0
- Replace Buffer with Uint8Array
- Yield undefined instead of null
- Use exports instead of allowing private API access

### Fixed

#### 11.0.5 (2024-06-19)

- Fix exception on older browsers

#### 11.0.3 (2023-09-05)

- Fix support for functions in data

#### 11.0.2 (2023-08-20)

- Fix type of settings if nothing is registered yet

#### 11.0.1 (2023-08-17)

- Fix incorrect type of settings in presets

#### 11.0.0 (2023-08-15)

- Deep clone preset settings
- Fix non-first parameter merging when reconfiguring plugins

### Removed

#### 11.0.0 (2023-08-15)

- Remove Attacher type, use Plugin instead
- Remove FrozenProcessor type, use Processor instead
- Remove support for classes as compilers and parsers
- Remove support for compilers returning nullish values

## Release notes

### 11.0.5

- Date: 2024-06-19
- Version: 11.0.5
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.5
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.5

- **fixed** — Fix exception on older browsers

###### Fix

* 1e0863a Fix exception on older browsers
  by @justinbhopper in https://github.com/unifiedjs/unified/pull/246

**Full Changelog**: https://github.com/unifiedjs/unified/compare/11.0.4...11.0.5

### 11.0.4

- Date: 2023-10-26
- Version: 11.0.4
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.4
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.4

- **added** — Add TypeScript declaration maps

###### Types

* 1ca1a43 Add TypeScript declaration maps
  by @remcohaszing in https://github.com/unifiedjs/unified/pull/230

**Full Changelog**: https://github.com/unifiedjs/unified/compare/11.0.3...11.0.4

### 11.0.3

- Date: 2023-09-05
- Version: 11.0.3
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.3
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.3

- **fixed** — Fix support for functions in data

###### Fix

* 8dee2ab Fix support for functions in data

**Full Changelog**: https://github.com/unifiedjs/unified/compare/11.0.2...11.0.3

### 11.0.2

- Date: 2023-08-20
- Version: 11.0.2
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.2
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.2

- **fixed** — Fix type of settings if nothing is registered yet

* cea788b Fix type of settings if nothing is registered yet

**Full Changelog**: https://github.com/unifiedjs/unified/compare/11.0.1...11.0.2

### 11.0.1

- Date: 2023-08-17
- Version: 11.0.1
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.1
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.1

- **fixed** — Fix incorrect type of settings in presets

* d1a915d Fix incorrect type of `settings` in presets

**Full Changelog**: https://github.com/unifiedjs/unified/compare/11.0.0...11.0.1

### 11.0.0

- Date: 2023-08-15
- Version: 11.0.0
- Original notes: https://github.com/unifiedjs/unified/releases/tag/11.0.0
- Permalink: https://whatsnew.fyi/product/unified/releases/11.0.0

- **changed** — Require Node.js 16
- **changed** — Update @types/unist
- **changed** — Update vfile to 6.0.0
- **added** — Add Data and Settings types to augment shared data
- **changed** — Replace Buffer with Uint8Array
- **removed** — Remove Attacher type, use Plugin instead
- **removed** — Remove FrozenProcessor type, use Processor instead
- **changed** — Yield undefined instead of null
- **changed** — Use exports instead of allowing private API access
- **removed** — Remove support for classes as compilers and parsers
- **removed** — Remove support for compilers returning nullish values
- **added** — Add improved types
- **added** — Add useful error message on empty presets
- **fixed** — Deep clone preset settings
- **fixed** — Fix non-first parameter merging when reconfiguring plugins

###### Change

* baf80b2 Change to require Node.js 16
  **migrate**: update too
* dd9834a Update `@types/unist`
  **migrate**: update too
* 620ccf9 Update [`vfile`](https://github.com/vfile/vfile/releases/tag/6.0.0)
  **migrate**: update too

###### Change (unlikey to affect you)

* a44db46 Add `Data`, `Settings` types to augment shared data
  **migrate**: if you deal with data, type it, see commit for info
* fb49556 Change to replace `Buffer` with `Uint8Array`
  **migrate**: you’re probably fine unless you use weird encodings, see commit for details if so
* f3e71a8 Remove `Attacher` type
  **migrate**: use `Plugin` instead
* cc53bb6 Remove `FrozenProcessor` type
  **migrate**: use `Processor` instead
* 1aa3494 Change to yield `undefined`, not `null`
  **migrate**: expect `undefined`
* 932c140 Change to use `exports`
  **migrate**: don’t use private APIs
* 8e57478 Remove support for classes as compilers, parsers
  **migrate**: if you love classes, see commit message
* 4676814 Remove support for compilers returning nullish
  **migrate**: nobody did that
* 807ffb9 Add improved types
  **migrate**: it’s probably just better if anything changed at all
* b35afe0 Add useful error on empty presets
  by @wooorm in https://github.com/unifiedjs/unified/pull/202
* 6f068a0 Fix to deep clone preset settings
* 56ee288 Fix non-first parameter merging when reconfiguring plugins

###### Misc

* e58b095 ad06700 40f0329 Refactor code-style
* ffc146c Update `typescript`
  by @ChristianMurphy in https://github.com/unifiedjs/unified/pull/216
* 7148746 144eec0 2d95451 Add improved docs
* afb704a Fix some typos
  by @ChristianMurphy in https://github.com/unifiedjs/unified/pull/225
* 2aa15ea Refactor types
* a06537c Add sponsor

**Full Changelog**: https://github.com/unifiedjs/unified/compare/10.1.2...11.0.0