# Floorp changelog

> A highly customizable Firefox-based browser.

- Vendor: Ablaze
- Category: Browsers
- Platforms: Desktop
- Official site: https://floorp.app
- Tracked by: What's New (https://whatsnew.fyi/product/floorp)
- Harvested from: GitHub (Floorp-Projects/Floorp)
- Entries below: 10 (newest first)

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.

## Releases

### v12.16.4 — Floorp 12.16.4

- Date: 2026-07-26
- Version: v12.16.4
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.16.4
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.16.4
- Labels: Platforms: Desktop

- **fixed** — Restore web and extension panel loading on Gecko 153
- **fixed** — Keep URL bar navigation in container tabs for workspaces
- **fixed** — Bind stable updates to immutable provenance

Release Note: https://blog.floorp.app/release/12.16.4

This draft was assembled from an immutable, natively verified release manifest set.


##### What's Changed
* fix(panel-sidebar): restore web and extension panel loading on Gecko 153 by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2587
* fix(workspaces): keep URL bar navigation in container tabs by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2591
* fix(release): bind stable updates to immutable provenance by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2589


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.16.3...v12.16.4

### v12.16.3 — Floorp 12.16.3

- Date: 2026-07-22
- Version: v12.16.3
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.16.3
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.16.3
- Labels: Platforms: Desktop

- **fixed** — Validate Firefox replacement-tab containers in workspaces
- **fixed** — Bind PWA install and launch to the invoking browser container
- **fixed** — Recover lost native tab-drag state safely in split-view
- **fixed** — Route web-panel find commands locally in panel-sidebar
- **fixed** — Finalize wheel gestures exactly once in mouse-gesture
- **fixed** — Include About dialog and Noraneko copy in localization
- **fixed** — Keep Lepton's right sidebar on-screen on Gecko 152
- **fixed** — Don't drop the last override.ini line when the file has no trailing newline

Release Note: https://blog.floorp.app/release/12.16.3

##### What's Changed
* fix(workspaces): validate Firefox replacement-tab containers by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2563
* fix(pwa): bind install and launch to the invoking browser container by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2562
* fix(split-view): recover lost native tab-drag state safely by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2561
* fix(panel-sidebar): route web-panel find commands locally by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2560
* fix(mouse-gesture): finalize wheel gestures exactly once by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2559
* fix(i18n): include About dialog and Noraneko copy in localization by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2558
* fix(designs): keep Lepton's right sidebar on-screen on Gecko 152 by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2557
* fix(override.sh): don't drop the last override.ini line when the file has no trailing newline by @100mountains in https://github.com/Floorp-Projects/Floorp/pull/2548

##### New Contributors
* @100mountains made their first contribution in https://github.com/Floorp-Projects/Floorp/pull/2548

**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.16.2...v12.16.3

### v12.16.2 — Floorp 12.16.2

- Date: 2026-07-16
- Version: v12.16.2
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.16.2
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.16.2
- Labels: Platforms: Desktop

Release Note: https://blog.floorp.app/release/12.16.2

##### What's Changed




**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.16.1...v12.16.2

### v12.15.3 — Floorp 12.15.3

- Date: 2026-07-02
- Version: v12.15.3
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.15.3
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.15.3
- Labels: Platforms: Desktop

- **added** — Add docs LLM harness to codex

Release Note: https://blog.floorp.app/release/12.15.3

##### What's Changed

* [codex] Add docs LLM harness by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2515


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.15.2...v12.15.3

### v12.15.2 — Floorp 12.15.2

- Date: 2026-06-20
- Version: v12.15.2
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.15.2
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.15.2
- Labels: Platforms: Desktop

- **fixed** — Reset tab drag state on dragend to prevent position offset
- **fixed** — Hide split view wrapper when all tabs are hidden
- **fixed** — Prevent stuck pointer-events:none after drag on web content
- **added** — Add Gecko 152 CSS variable aliases and Lepton compatibility layer
- **fixed** — exitOnLastTabClose no longer quits Floorp when closing the last tab

Release Note: https://blog.floorp.app/release/12.15.2

##### What's Changed
* fix: reset tab drag state on dragend to prevent position offset (#2488) by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2497
* fix(workspaces): hide split view wrapper when all tabs are hidden by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2495
* fix(split-view): prevent stuck pointer-events:none after drag on web content by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2492
* feat(design): add Gecko 152 CSS variable aliases and Lepton compatibility layer by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2494
* fix(workspaces): exitOnLastTabClose no longer quits Floorp when closing the last tab by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2498


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.15.0...v12.15.2

### v12.15.0 — Floorp 12.15.0

- Date: 2026-06-17
- Version: v12.15.0
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.15.0
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.15.0
- Labels: Platforms: Desktop

- **changed** — Refine appearance of Start top sites and Hub sidebar
- **changed** — Improve command palette
- **fixed** — Fix gesture command
- **added** — Add macOS formatting for modifier keys in shortcut editor
- **fixed** — Follow Firefox 150 ShellService API changes for PWA
- **added** — Implement Three-Way Merge Sync for Notes on desktop
- **fixed** — Resolve Invalid Hook Call error in SortableContext in pages settings
- **changed** — Enhance command palette with new actions
- **added** — Implement tab drop functionality with overlay and new window zone in split-view
- **fixed** — Restore 'Hide Interface', 'Toggle Navigation Panel', and 'Rest Mode' keyboard shortcuts
- **fixed** — Prevent unified extensions panel from closing on bottom navbar
- **fixed** — Prevent workspace system from overriding SessionStore tab selection on startup
- **fixed** — Prevent multi-row tabs from disappearing when sidebar opens website
- **fixed** — Prevent private container tab from saving first page to history
- **fixed** — Prevent browser close when container tab is the only tab open
- **added** — Add split-view mouse gesture commands
- **fixed** — Auto-generate auth token on enable for OS server
- **changed** — Enhance command palette search with English keywords, Japanese morphological analysis, and hiragana search support
- **added** — Add Firefox Container support for PWA apps
- **fixed** — Add event listener for buttons in status bar

Release Note: https://blog.floorp.app/release/12.15.0

##### What's Changed
* Refine appearance of Start top sites and Hub sidebar by @CutterKnife in https://github.com/Floorp-Projects/Floorp/pull/2435
* Improvement command pallete by @Walkmana-25 in https://github.com/Floorp-Projects/Floorp/pull/2429
* Fix gesture command by @Walkmana-25 in https://github.com/Floorp-Projects/Floorp/pull/2425
* Add Mac OS formatting for modifier keys in shortcut editor by @Walkmana-25 in https://github.com/Floorp-Projects/Floorp/pull/2424
* refactor: bridge as little by @nyanrus in https://github.com/Floorp-Projects/Floorp/pull/2416
* fix(pwa): follow Firefox 150 ShellService API changes (Bug 1985098) by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2409
* feat(notes): Desktop向けThree-Way Merge Sync実装 by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2402
* fix(pages-settings): resolve Invalid Hook Call error in SortableContext by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2350
* README: fix signpath avatar url by @CutterKnife in https://github.com/Floorp-Projects/Floorp/pull/2453
* Enhance command palette with new actions by @Walkmana-25 in https://github.com/Floorp-Projects/Floorp/pull/2449
* feat(split-view): implement tab drop functionality with overlay and new window zone by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2445
* fix: restore 'Hide Interface', 'Toggle Navigation Panel', and 'Rest Mode' keyboard shortcuts by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2458
* fix: prevent unified extensions panel from closing on bottom navbar (#2079) by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2462
* fix: prevent workspace system from overriding SessionStore tab selection on startup by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2461
* fix: prevent multi-row tabs from disappearing when sidebar opens website by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2460
* fix: prevent private container tab from saving first page to history by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2459
* fix: prevent browser close when container tab is the only tab open by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2465
* Resolve conflicts for #2467: Add split-view mouse gesture commands by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2472
* fix(os-server): auto-generate auth token on enable by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2471
* fix(settings): change broken link to Floorp Docs by @regularentropy in https://github.com/Floorp-Projects/Floorp/pull/2477
* コマンドパレットの検索機能強化 — 英語キーワード・日本語形態素解析・ひらがな検索対応 by @Walkmana-25 in https://github.com/Floorp-Projects/Floorp/pull/2470
* fix(patches): align Gecko patches with Linux CI runtime by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2482
* feat(pwa): add Firefox Container support for PWA apps by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2443
* fix(statusbar): add event listener for buttons in status bar by @greeeen-dev in https://github.com/Floorp-Projects/Floorp/pull/2484


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.14.2...v12.15.0

### v12.14.2 — Floorp 12.14.2

- Date: 2026-05-16
- Version: v12.14.2
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.14.2
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.14.2
- Labels: Platforms: Desktop

Release Note: https://blog.floorp.app/release/12.14.2

##### What's Changed




**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.14.1...v12.14.2

### v12.14.0 — Floorp 12.14.0

- Date: 2026-05-08
- Version: v12.14.0
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.14.0
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.14.0
- Labels: Platforms: Desktop

- **added** — Add command palette accessible with Ctrl+Shift+P
- **changed** — Patch macOS entitlements for passkey (WebAuthn) support

Release Note: https://blog.floorp.app/release/12.14.0

##### What's Changed
* feat(ci): patch macOS entitlements for passkey (WebAuthn) support by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2418
* feat: add command palette (Ctrl+Shift+P) by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2415


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.13.0...v12.14.0

### v12.13.0 — Floorp 12.13.0

- Date: 2026-05-02
- Version: v12.13.0
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.13.0
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.13.0
- Labels: Platforms: Desktop

- **added** — Add configurable actions to rocker gestures in mouse gesture
- **fixed** — Guard nsIURI.host access in checkSiteCanBeInstall for PWA

Release Note: https://blog.floorp.app/release/12.13.0

##### What's Changed
* feat(mouse-gesture): add configurable actions to rocker gestures by @zakius in https://github.com/Floorp-Projects/Floorp/pull/2351
* fix(pwa): guard nsIURI.host access in checkSiteCanBeInstall by @j4th in https://github.com/Floorp-Projects/Floorp/pull/2397

##### New Contributors
* @zakius made their first contribution in https://github.com/Floorp-Projects/Floorp/pull/2351
* @j4th made their first contribution in https://github.com/Floorp-Projects/Floorp/pull/2397

**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.12.2...v12.13.0

### v12.12.2 — Floorp 12.12.2

- Date: 2026-04-23
- Version: v12.12.2
- Original notes: https://github.com/Floorp-Projects/Floorp/releases/tag/v12.12.2
- Permalink: https://whatsnew.fyi/product/floorp/releases/v12.12.2
- Labels: Platforms: Desktop

- **added** — Comprehensive browser test infrastructure and shared utilities

Release Note: https://blog.floorp.app/release/12.12.2




##### What's Changed
* feat(tests): comprehensive browser test infrastructure and shared utilities by @Ryosuke-Asano in https://github.com/Floorp-Projects/Floorp/pull/2377


**Full Changelog**: https://github.com/Floorp-Projects/Floorp/compare/v12.12.1...v12.12.2