chore(release): 1.21.0 [skip ci]

# [1.21.0](v1.20.0...v1.21.0) (2026-03-20)

### Bug Fixes

* arrow key navigation through and out of tables (SD-2236) ([#2476](#2476)) ([d5317ef](d5317ef))
* bug text edit commands fail on targets returned by find ([#2488](#2488)) ([7a9a448](7a9a448))
* declare w15 namespace when bootstrapping numbering.xml ([#2470](#2470)) ([a14004d](a14004d))
* doc-api story regressions and export app.xml stats ([#2478](#2478)) ([d06ff4e](d06ff4e))
* **document-api:** add mutation-ready cell addresses to tables.getCells ([#2461](#2461)) ([99bd4e5](99bd4e5))
* **document-api:** clear styles before paragraph.setStyle ([#2449](#2449)) ([bce4bb8](bce4bb8))
* **document-api:** rename atRowIndex to rowIndex in tables.split ([#2473](#2473)) ([7de2864](7de2864))
* **document-api:** return fresh table ref in mutation responses ([#2453](#2453)) ([af6de73](af6de73))
* ensure ruler 0 is visible ([#2487](#2487)) ([096d9f0](096d9f0))
* **header-footer:** normalize page-relative anchor layout ([#2484](#2484)) ([6e62198](6e62198))
* import regression ([#2452](#2452)) ([cac5e24](cac5e24))
* improve document API dry runs, query matching, and reference block mutations ([#2498](#2498)) ([5959c5f](5959c5f))
* isolate document surface and toolbar/ruler stacking contexts ([#2491](#2491)) ([976ce14](976ce14))
* issue with vertical cells merging ([#2387](#2387)) ([e8f1c10](e8f1c10))
* **layout-engine:** match partial-row split height to renderer semantics ([#2486](#2486)) ([e0982da](e0982da))
* **layout-engine:** require bilateral opt-in for contextual spacing ([#2475](#2475)) ([40e04c2](40e04c2))
* **sdk:** improve agent tool definitions for better LLM accuracy ([#2494](#2494)) ([e914af7](e914af7)), closes [#8](#8) [#9](#9) [#10](#10)
* **super-editor:** preserve fontFamily in runProperties when set via document API (SD-2249) ([#2433](#2433)) ([491c3fe](491c3fe))
* **super-editor:** prevent cursor jump when changing font from toolbar ([#2468](#2468)) ([c315599](c315599))
* surface hyperlink tracked changes in comments ([#2485](#2485)) ([ae55118](ae55118))
* **tables:** handle insertColumn right of last column ([#2451](#2451)) ([74c37ff](74c37ff))
* **tables:** prevent resize overlay artifacts during drag ([#2479](#2479)) ([1b1e712](1b1e712))
* toolbar state after document load (SD-2145) ([#2448](#2448)) ([6347ffe](6347ffe))
* **track-changes:** allow linked style changes in suggesting mode (SD-2182) ([#2373](#2373)) ([6400a1f](6400a1f))
* **tracked-changes:** undo/redo applies to both document and comment bubbles ([#2437](#2437)) ([bc7cba3](bc7cba3))
* update list marker font before adding list item ([#2312](#2312)) ([8721614](8721614))

### Features

* **document-api:** accept table coordinates in unmergeCells ([#2462](#2462)) ([5eca65b](5eca65b))
* **document-api:** add 'story' targeting for parts targeting with main api functions ([#2477](#2477)) ([49dc4ef](49dc4ef))
* **document-api:** add paragraph direction ops and clarify format.rtl ([#2474](#2474)) ([86600ac](86600ac))
* **document-api:** add table convenience ops and sync reference doc ([#2471](#2471)) ([137b1d9](137b1d9))
* **document-api:** list creation and style edit commands ([#2457](#2457)) ([1d6d4bb](1d6d4bb))
* **docx:** support Word document statistic fields and F9 field updates ([#2460](#2460)) ([57b3ecc](57b3ecc))
* make images uploaded into table cell adjust to width of cell ([#2317](#2317)) ([c79b1d1](c79b1d1))
* **super-editor:** bridge editor selection into Document API commands ([#2458](#2458)) ([26cef26](26cef26))
* **tables:** support lastRow style options with OOXML roundtrip parity ([#2467](#2467)) ([e84f695](e84f695))
* theming with css variables ([#2386](#2386)) ([529c500](529c500)), closes [#2441](#2441) [#ffffff](https://github.com/superdoc-dev/superdoc/issues/ffffff) [#dbdbdb](https://github.com/superdoc-dev/superdoc/issues/dbdbdb) [hi#level](https://github.com/hi/issues/level) [hi#contrast](https://github.com/hi/issues/contrast) [#f3f6fd](https://github.com/superdoc-dev/superdoc/issues/f3f6fd) [hi#level](https://github.com/hi/issues/level) [#2445](#2445) [#2469](#2469) [#ffffff](https://github.com/superdoc-dev/superdoc/issues/ffffff)

### Performance Improvements

* **test:** move one-time setup to beforeAll in contract-conformance ([#2483](#2483)) ([ed4839b](ed4839b))
* **test:** speed up unit tests and migrate to bun ([#2492](#2492)) ([af44051](af44051))

Author: semantic-release-bot

packages/superdoc/package.json

@@ -1,7 +1,7 @@
 {
   "name": "superdoc",
   "type": "module",
-  "version": "1.20.0",
+  "version": "1.21.0",
   "license": "AGPL-3.0",
   "repository": {
     "type": "git",