Polypane: baixar versions anteriors

**Polypane 31**
This release has a new canvas layout that lets you freely arrange panes on an infinite canvas. The elements panel now lets you filter styles, search the DOM tree, quickly navigate to and back from custom property definitions, and a new flex item explainer that can tell you exactly how flex items are sized and positioned.

Polypane 31 also has device presets for the latest iPhone devices, and runs on Chromium 155. [full release notes](https://polypane.app/blog/polypane-31-canvas-layout-elements-panel-improvements-and-chromium-155/)

**New**

• **New** Canvas layout mode
• **New** Devices：Add new iPhone 18 Pro, iPhone 18 Pro Max, iPhone Duo and 5K device presets
• **New** Show CPU and memory usage per pane
• **New** Elements panel：Flex item visualisation
• **New** Elements panel：Go to custom property definition (and back!)
• **New** Screenshots：new "visible workspace" option
• **New** Crash overlay and experimental features toggle
• **New** Updated Chromium

**Improved**

• **Improved** Significantly smaller download size
• **Improved** Significant performance improvements for large pages
• **Improved** Screenshots：Support full range of text characters in overview screenshots
• **Improved** Screenshots：Much better screenshotting for panes that are naturally larger than the window (Thanks Thomas!)
• **Improved** Recording：Much faster processing of video
• **Improved** Recording：Now uses the native pointer
• **Improved** Panes：Allow zoom per pane instead of per origin
• **Improved** Panes：Height or width constrained panes now get a lock icon with explanation (Thanks Goh!)
• **Improved** Console panel：Improve performance for large log outputs (Thanks Adrian!)
• **Improved** Elements panel：Scroll badges get highlighted when you scroll in panes
• **Improved** Elements panel：Filter styles in style tab
• **Improved** Elements panel：Search in DOM tree
• **Improved** Meta panel：No longer recommends adding `initial-scale=1` (Thanks Declan!)
• **Improved** Meta panel：Now shows llms.txt contents
• **Improved** Meta panel：Smarter and less frequent fetching of well-known URLs
• **Improved** Browse panel：Supports page zoom UI (Thanks Jay!)
• **Improved** Browse panel：Supports extension installation confirmation message
• **Improved** Outline panel：Explicitly choose to list or hide hidden elements in overviews (Thanks Eric!)
• **Improved** Outline panel：Image outline updates after attribute changes
• **Improved** Outline panel：The overlay labels are now better positioned and less intrusive
• **Improved** Outline panel：Smarter fallback when testing URLs that don't support HEAD
• **Improved** Outline panel：Clearer messages for URLs blocked due to Cloudflare challenges
• **Improved** Projects：You can now copy settings from existing projects (Thanks Christian!)
• **Improved** Address bar：Automatically clear 404 URLs from the suggestion history
• **Improved** Address bar：Better support for different `esc` states like other browsers (Thanks Mark!)
• **Improved** Peek：Now remains visible when hovering pseudo-elements
• **Improved** Command bar：Can now also toggle CSP, CSRF and web security
• **Improved** Command bar：Can now trigger all global screenshot actions
• **Improved** Camera icon in header now opens popup instead of creating overview screenshot
• **Improved** Removed the workspace tooltip (Thanks Mark!)
• **Improved** Accessibility state for many buttons is now more accurate

**Fixes**

• **Fix** Deleting sessions used by other projects would cause internal reloads (Thanks Chris!)
• **Fix** Screenshots：Split layout screenshots work again
• **Fix** Browse panel：Now handles application popups better
• **Fix** Debug tools：re-apply button did not always work
• **Fix** Debug tools：Color blindness filters did not get applied in 30.1
• **Fix** Portal：Injected CSS now handles nesting and media query order correctly
• **Fix** Console：Now shows errors originating from incorrectly typed commands
• **Fix** Elements panel：When editing befor

**Polypane 30.1**
This release adds specificity highlighting to the elements panel, lets you validate server-side HTML, adds passkey support on linux and has many improvements and bugfixes. [full release notes](https://polypane.app/blog/polypane-30-1-selector-specificity-insights-server-html-validation-and-more/)

**New**

• **New** Elements panel：Highlight specificity parts in selector
• **New** Source panel：Toggle between rendered and server-sent HTML (Thanks Matija!)
• **New** Passkey/Webauthn support for Linux
• **New** Updated Chromium

**Improved**

• **Improved** Accessibility panel now also checks for WCAG 2.2 2.5.8 target size
• **Improved** Meta panel：Show a warning for multiple viewport declarations (Thanks Matija!)
• **Improved** Meta panel：improved header order design and updated ruleset
• **Improved** Elements panel：After inspecting an element the DOM tree is now focused
• **Improved** Peek：show gap values in tooltip
• **Improved** Debug tools：Placeholdifier now uses a scribble instead of a block font
• **Improved** Find in page has improved performance
• **Improved** Browse panel：Basic auth popups are now shown in the browse panel
• **Improved** Panel：focuses the first ordered panel on launch

**Fixes**

• **Fix** Copy image to clipboard works again
• **Fix** Domain custom color was in wrong position in split views
• **Fix** Detached network panel shows data again (Thanks Eric!)
• **Fix** Detached panel window shows overflow menu again
• **Fix** Elements panel：Misaligned layout debugging badge for html element
• **Fix** Elements panel：specificity explainer link works again
• **Fix** Devtools panel：Issue on linux where the panel would not show content
• **Fix** Recording：pages without an explicit background color now record on white instead of black
• **Fix** Peek：decouple showing font-weight from showing line-height value
• **Fix** Peek：prevent peek from showing when inspection mode is chrome devtools
• **Fix** Browse panel：Shortcuts now work in detached panel too

**Polypane 29**
Polypane 29 introduces a redesigned panel UI that feels more familiar, a new network panel for inspecting requests, a new snippet store for discovering and installing snippets, and a custom selectors overview in the outline panel, plus many other improvements and fixes. Full release notes：https://polypane.app/blog/polypane-29-new-network-panel-snippet-store-and-chromium-148/

**New**

• **New** Network panel
• **New** Snippet store
• **New** Panel：Switch to single-line with overflow tab bar
• **New** Grid/Flex visualisations in Polypane Peek
• **New** Outline panel：Custom selector overview
• **New** Passkeys keychain integration on macOS
• **New** Meta panel：WhatsApp preview
• **New** Devtools panel：Inspect shared workers and service workers (Thanks Przemyslaw!)
• **New** Snippets panel：live preview option (Thanks Kari!)
• **New** Activated html-in-canvas API by default
• **New** Chromium 148.0.7778.56

**Improvements**

• **Improved** Polypane Peek：iframes are now inspectable and can be selected
• **Improved** Load performance for custom local domains (Thanks Mike!)
• **Improved** Confirmation dialogs are now deduplicated when called multiple times in a row (Thanks Matija!)
• **Improved** JSON viewer：Makes data available in the console as window.json
• **Improved** Elements panel：A11y tab now links all labelledby elements (Thanks Eric!)
• **Improved** Elements panel：A11y tab now shows aria-describedby value (Thanks Eric!)
• **Improved** Elements panel：Stable references to elements for hot reloading dev servers (Thanks Matyáš!)
• **Improved** Elements panel：Load new styles on injection by hot reload servers (Thanks Matyáš!)
• **Improved** Elements panel：Toggle pseudo styles in style panel (Thanks Eric!)
• **Improved** Elements panel：del key now removes element in tree view
• **Improved** Console panel：new $$$() helper that also searches shadow DOM.
• **Improved** Outline panel：Accessibility tree now shows a description as well as the referenced IDs (Thanks Eric!)
• **Improved** Basic auth popup now follows the system design
• **Improved** Form autofill：Ability to use a default email address (Thanks Tom!)
• **Improved** Form autofill：Move lists matching the element to the top
• **Improved** Find elements：cmd/ctrl + enter now shows element in Elements panel (Thanks Ricky!)
• **Improved** Debug tools：Improve wording in Color contrast tool (Thanks Ana!)
• **Improved** Snippets Editor：Improved layout when editing
• **Improved** Traffic lights alignment on macOS 26 is now improved
• **Improved** Session management：Add confirmation dialog before deleting session
• **Improved** Pane resizing performance when you have a lot of panes open
• **Improved** More deterministic page loading after click actions
• **Improved** Integrations：new Marker.io logo

**Fixes**

• **Fix** Elements panel：Improve accessible name calculation labeled by elements with roles without accname (Thanks Eric!)
• **Fix** Elements panel：Events badge was not visible in tree view (Thanks Ashlee!)
• **Fix** Elements panel：Allow editing the color of an image-only background property
• **Fix** Elements panel：Copy CSS for keyframes was missing the animation name
• **Fix** Elements panel：Font weight wasn’t accurate for contrast calculation in A11y tab
• **Fix** Browse panel：Previous tab shortcut was not working (Thanks Matija!)
• **Fix** Browse panel：New window from panel did not always create new tab
• **Fix** Browse panel：New tab should focus access bar (Thanks Matija!)
• **Fix** Browse panel：Add extension button did not work
• **Fix** Full page screenshots：use correct viewport height when making screenshots
• **Fix** Context menu：’Save link as...’ option did not work
• **Fix** Outline panel：Prevent accessibility tree from collapsing focused elements
• **Fix** Outline panel：Prevent double tooltips when hovering over elements
• **Fix** Styles：Prevent React router from trashing styles on load (Thanks Nathan!)
• **Fix** Console panel：Prevent extra white spac

Polypane 28.0.3
This is a bugfix release. Full 28 Release Notes
Fixes
- Fix Issue preventing Mac users from auto-updating
Previous changes in 28.0.2:
Improvements
- Improved Added cmd/ctrl+shift+d shortcut to reload all debug tools (Thanks Florian!)
- Improved Snippet manager UI improvements
- Improved Outline panel: now ignores hidden headings for duplicate content checks
- Improved Outline panel: Improved logic for aside elements in sectioning content (Thanks Eric!)
- Improved More resilient build and update internals
- Improved Elements panel: Improve performance for large DOM trees
- Improved Context menu performance in browse panel
- Improved Peek now shows the currentSrc for videos
- Improved Meta panel: Warn when the og:url is not the same as the canonical or page url
- Improved Breakpoints no longer list negative value widths
- Improved Breakpoint panes adhere to the minimum pane width
- Improved Reduced installer download size by an average of 25%
- Improved Updated list of Google Fonts
- Improved Updated Chromium to 146.0.7680.31
Fixes
- Fix Prevent Polypane shortcuts overwriting global ones on app launch (Thanks Benoit!)
- Fix Elements panel: issue where autocomplete cleared the typed value when adding attributes or css values
- Fix Color picker not setting correct background color when inspecting from Elements panel
- Fix Snippets: Last save location is now correctly remembered when saving snippets
- Fix Install extensions from suggestion box when you have multiple sessions
- Fix Reinstate sync engine after main window reopen on macOS

Polypane 28.0.2
This is a bugfix release. Full 28 Release Notes
Improvements
- Improved Added cmd/ctrl+shift+d shortcut to reload all debug tools (Thanks Florian!)
- Improved Snippet manager UI improvements
- Improved Outline panel: now ignores hidden headings for duplicate content checks
- Improved Outline panel: Improved logic for aside elements in sectioning content (Thanks Eric!)
- Improved More resilient build and update internals
- Improved Elements panel: Improve performance for large DOM trees
- Improved Context menu performance in browse panel
- Improved Peek now shows the currentSrc for videos
- Improved Meta panel: Warn when the og:url is not the same as the canonical or page url
- Improved Breakpoints no longer list negative value widths
- Improved Breakpoint panes adhere to the minimum pane width
- Improved Reduced installer download size by an average of 25%
- Improved Updated list of Google Fonts
- Improved Updated Chromium to 146.0.7680.31
Fixes
- Fix Prevent Polypane shortcuts overwriting global ones on app launch (Thanks Benoit!)
- Fix Elements panel: issue where autocomplete cleared the typed value when adding attributes or css values
- Fix Color picker not setting correct background color when inspecting from Elements panel
- Fix Snippets: Last save location is now correctly remembered when saving snippets
- Fix Install extensions from suggestion box when you have multiple sessions
- Fix Reinstate sync engine after main window reopen on macOS

Polypane 28.0.1
This is a bugfix release. Full 28 Release Notes
Improvements
- Improved Environments switcher: Add cmd + click as option to cycle through environments for mac (Thanks Nicolas!)
- Improved Meta panel: Improved Bluesky preview for pages with missing og info (Thanks Matija!)
- Improved Outline panel: Form list now also indexes role=form
- Improved Address bar now recognises localhost paths as valid urls (Thanks Harald!)
- Improved Portal: You can now middle-click the icon to close the portal
- Improved Peek: Improved area rendering logic
Fixes
- Fix Elements panel: prevent collecting styles too fast for CSS-in-JS libraries to apply (Thanks Lara!)
- Fix Elements panel: Show force starting-style option for styles nested inside starting style
- Fix Elements panel: Calculation error in box model (Thanks Bramus!)
- Fix Elements panel: Currently selected element could not be collapsed by mouseclick (Thanks Harald!)
- Fix Meta panel: Breadcrumbslist microdata with single item would break updates (Thanks Marc!)
- Fix Environments dropdown: Prevent horizontal scroll in dropdown

Polypane 28
The first release of 2026 comes with plenty of improvements to Projects, the new Environments feature prevents you from confusing production for localhost, the Elements panel is faster and more powerful than ever, and Polypane now runs on Chromium 146. Full Release Notes
New
- New Environments for Projects
- New Elements panel: Edit CSS Selectors
- New Console: Support for console.group (Thanks Giles!)
- New Command bar: Activate or deactivate snippets from the command bar (Thanks Eric!)
- New Chromium 146.0.7650.0
Improvements
- Improved Projects, Bookmarks and Environments can now be re-ordered (Thanks Michael!)
- Improved Projects: Open or switch from the CLI (Thanks Marc!)
- Improved Projects: Open or switch from the macOS and windows dock/taskbar (Thanks Benoit!)
- Improved Elements panel: Constructed stylesheets no longer open browse tabs when clicked
- Improved Elements panel: Updated performance when inspecting elements
- Improved Elements panel: make !important styles more visible
- Improved Elements panel: press when editing HTML to apply it
- Improved Elements panel: Show warning for invalid autocomplete values
- Improved Elements panel: Support for ::search-text pseudo-element styling
- Improved Meta panel: Improved UI
- Improved Meta panel: Handle broken link tags on pages
- Improved Meta panel: Link meta tags containing URLS are now clickable
- Improved Meta panel: Show the type of 'alternate' link tags
- Improved Meta panel: New Bluesky preview for pages without OG image
- Improved Meta panel: Show warning if security.txt is expired
- Improved Meta panel: Allow webp for og images
- Improved Meta panel: Updated Discord designs
- Improved Outline panel: Form outline warns about small font sizes
- Improved Outline panel: New bottom-aligned panel layout
- Improved Outline panel: Support shipping and billing values in Form autocomplete
- Improved Outline panel: Expand all details option (Thanks Jules!)
- Improved Outline panel: show autocomplete warnings in form overlay
- Improved Context menu: Hold when clicking 'reload pane' to do a hard reload
- Improved Cache: Disable cache now applies to panes instead of sessions
- Improved Improved page load performance
- Improved Improved tab creation performance
- Improved Debug tools: Polypane UI is excluded from placeholdifier debug tool (Thanks Dave!)
- Improved Browse/devtools panel: Improve resize performance
- Improved Browse panel: Show bookmarks in Browse panel (Thanks Matija!)
- Improved Live reload: Redesigned to fit better with Polypane UI
- Improved Consistent 'clear input' UI throughout the app
- Improved New macOS installer background
- Improved Tab customisation UI redesign
- Improved Panes without navigation sync now get a color indicator when environments or domains match
- Improved Browse panel: Search in page (Thanks Matija!)
- Improved Browse panel: Better focus handling for keyboard users (Thanks Matija!)
- Improved Browse panel: Support for default browser shortcuts when focused
- Improved Rulers: Middle click button to disable rulers quickly
- Improved Reference image: updated UI
- Improved When setting a new default new pane, the default new layout is updated too (Thanks Michael!)
- Improved Form autofilling now has Dutch and Canadian postal code formats (Thanks Maarten!)
- Improved We no longer hide the browse and devtools panels when drop downs overlay them
- Improved Emoji pickers now always start with search, and default to Unicode 16 emojis
- Improved Accessibility panel: Update ruleset
- Improved Updated list of Google fonts
Fixes
- Fix Prevent UI from breaking when there are many open tabs (Thanks Ron!)
- Fix Projects: prevent duplicate project names
- Fix Browse panel: Prevent issue where new tabs could not be created
- Fix Snippet panel: Prevent stale focus outlines after use
- Fix Elements panel: Box model would sometimes not render (Thanks Scott!)
- Fix Elements panel: Updating parent styles works again (Thanks Scott!)
- Fix Outl

Polypane 27.1
Polypane 27.1 is here and Polypane Portal has expanded! The Polypane console will now show the console messages from all connected browsers so you get instant feedback on errors and your own logs. Snippets are now also injected and ran in connected portals. This combination makes Polypane's Portal an even more powerful tool for testing and debugging across multiple browser and real devices. The elements panel and projects have also received a lot of quality of life improvements in this release. Full release notes
New
- New Portal: Console messages from connected browsers are now shown in the main Polypane console
- New Portal: Snippets are now ran in connected browsers
- New Elements panel: Arrow key navigation for DOM tree
- New Elements panel: Support for adopted stylesheet editing
- New Elements panel: Filtering for computed styles
- New Elements panel: collapsing of unused custom properties
- New Outline panel: Enable/disable automatic updating
- New Projects: Import/export projects
- New Projects: Import/export bookmarks
- New Projects: Import bookmarks.html file support
- New Projects: Filter bookmarks and navigate by keyboard
Improvements
- Improved Elements panel: Support for referential IDREFs
- Improved Elements panel: Hold cmd/ctrl while hovering DOM tree to hide element info
- Improved Console panel: use keys(), values() and entries() to log iterable objects
- Improved Console panel: messages now support multiple styles using %c
- Improved Outline panel: Show elements with role=img in image outline (Thanks Robbert!)
- Improved Outline panel: Improve rendering performance for large outlines
- Improved Outline panel: Focus outline now shows warning for missing accessible names (Thanks Ron!)
- Improved Accessibility info updates fasted across the app
- Improved Color picker: Picking a new selected color no longer changes the background color (Thanks Eric!)
- Improved Projects: option to hide project selector button (Thanks Artem!)
- Improved Projects: Adding bookmarks will refocus the URL input
- Improved Quick start: Links are now opened in new tabs (Thanks Max!)
- Improved Meta panel: Capo.js head order overview updated to 2.0.0
- Improved Snippets: Deleting a folder now deletes all containing snippets
- Improved Snippets: Support importing bookmarks HTML
- Improved Snippets: Updated list of Google fonts
- Improved Updated Chromium to 142.0.7444.226
Fixes
- Fix Marker.io integration needed an API update.
- Fix QR for Portal now updates correctly (Thanks Jesper!)
- Fix Console popups would sometimes lock up the app (Thanks Luan!)
- Fix Projects: Add bookmarks as new tabs would not work (Thanks Andy!)
- Fix Split view: Prevent rulers from overlapping pane headers
- Fix Elements panel: CSS Suggestions for new properties would be clipped
- Fix Elements panel: Fix HTML editing styling on Linux
- Fix Elements panel: adding styles with trailing ; works automatically
- Fix Sidebar: Issue where sidebar could be visible without it being opened

Polypane 27.0.2 Changelog
This is a bugfix release. Polypane 27 brings a new project-focused workflow, a new snippets panel, improved DOM editing and is built on Chromium 142. Full changelog
Fixes
- Fix Issue where launching Polypane with a URL would return an error
- Fix Search icons disappearing after app updates

Polypane 27.0.1 Changelog
This is a bugfix release. Polypane 27 brings a new project-focused workflow, a new snippets panel, improved DOM editing and is built on Chromium 142. Full changelog
Notes
- Note Widevine DRM has been disabled for this release
Improvements
- Improved Inspection and snippet logic for frameworks that use full page hydration (Thanks Rick!)
- Improved Improve computed name resolution for links with titles (Thanks Ron!)
- Improved Snippets panel: Design Alignment
- Improved Updated list of supported Google Fonts
- Improved Chromium version 142.0.7444.175
Fixes
- Fix Prevent crashes on macOS when accessing certain menu items
- Fix Projects and bookmarks dropdown and Project editor no longer falls behind browse panel (Thanks Eric!)
- Fix Selecting project favicon could result in Google icon being shown (Thanks Eric!)
- Fix Alignment issues with project button on macOS Tahoe

Polypane 27
This release brings a new project-focused workflow, a new snippets panel, improved DOM editing and is built on Chromium 142. Full changelog
New
- New Projects to group tabs, bookmarks and sessions
- New Snippets panel to save and run JS and CSS snippets
- New Meta panel: Show overview of alternate links (Thanks Charlie!)
- New Elements panel: Duplicate and remove elements
- New MacOS Liquid Glass icon
- New Chromium 142
Improvements
- Improved Elements panel: shows line numbers for CSS Styles
- Improved Elements panel: Hide and copy element in context menu
- Improved Elements panel: Force starting style feature
- Improved Download start and end notifications
- Improved Support for punycode domains (Thanks Christian!)
- Improved Browse panel: Automatically uses the tab or project session
- Improved Full page layout now uses the page title as name instead of "new pane"
- Improved Debug tools: Slow down view transitions tool
- Improved Debug tools: New force hover styling debug tool (Thanks Ron!)
- Improved Measure rectangle is now called Area
- Improved Area screenshot now activate areas when not visible
- Improved Meta panel: Slack design update
- Improved Don't ask for confirmation when importing workspace into empty slot
- Improved Accessible name calculation for form elements (Thanks Ron!)
- Improved Extensions: Now open new tabs in main UI instead of browse panel (Thanks Ron!)
- Improved Performance across the app thanks to react-compiler
Fixes
- Fix Prevent stalled application launch when Widevine DRM can't be downloaded (Thanks Alexandra!)
- Fix Noticeable white corners in dark mode for error views
- Fix Emulation icon no longer always has an active dot (Thanks Randall!)
- Fix Console: console.log(undefined) is now printed in the console (Thanks Luke!)
- Fix Page zoom shortcuts on Windows now work again (Thanks Ron!)
- Fix Replace cmd + h to hide element with ctrl + h on Mac (Thanks Michel!)
- Fix Horizontal layout no longer can be dragged in certain configurations
- Fix Fix 'paste and go' context menu option on Address bar

Polypane 26.0.1
This is a bugfix release Full 26.0.0 release notes.
Improvements
- Form outline: Support for external buttons with form attribute
- Form outline: Warning for insecure form submissions
- Form outline: Style and clarity improvements
- Huge speed improvement to video generation thanks to Mediabunny
- Target Size debug tool: Prevent UI from being tested for overlap (Thanks Eric!)
- Peek: improve accessible name computation for textareas
- Updated list of Google fonts
- Updates accessibility rulesets
- Updated Chromium to 140.0.7339.13
Fixes
- Performance regression on macOS Tahoe
- Newly added panes would not sync their scroll position with other panes
- Pane console stats: prevent delay before showing
- Workspaces did not apply from detached panel (Thanks Jordi!)
- Pane recording: Fix for black background on videos of pages without specified background color

Polypane 26
Polypane 26 brings the most accurate device emulation available anywhere. We now emulate small viewport units (svh) and device-specific safe area insets, two critical factors that affect every mobile layout but were impossible to emulate until now. This means layout bugs that previously only surfaced on real devices can now be caught and fixed fast during development. Full release notes.
New
- New Small viewport emulation
- New Safe area emulation
- New New iPhone and Android devices (thank Peter, Jules, Declan, Markus, Floris, James, Julian, Jeroen, Kari, Kriszti, Tim, Alex, Greg, Sara, Ryan, Pontus, Jan and Christian!)
- New Add multiple measurement overlays at once
- New Chromium 140
Improvements
- Improved Elements panel: Support inlining import rules (Thanks Nathan!)
- Improved Elements panel: Updated CSS property and value suggestions
- Improved Elements panel: Styles update after pane resize (Thanks Bob!)
- Improved Elements panel: New attributes are recognised as idrefs
- Improved Elements panel: cmd + h toggles visibility of selected element (Thanks Harald!)
- Improved Elements panel: Performance improvements for large CSS files
- Improved Elements panel: hidden elements are now more desaturated
- Improved Elements panel: Improve rendering of style panel for Bricks based sites
- Improved Elements panel: inspect and edit :host styling (Thanks Murat!)
- Improved Outline panel: Suggestions for landmarks and headers have a separate section now
- Improved Outline panel: Astro and Nuxt devtoolbars are now ignored for outlines
- Improved Outline panel: Clarification for the term 'label' (Thanks Eric!)
- Improved Extensions: Show suggested extensions in the extension panel
- Improved Extensions: Show suggestions for extensions that have built-in alternatives
- Improved Workspaces: new device lab, iOS and Android workspaces
- Improved Workspaces: updated worldwide most used sizes workspace
- Improved Permissions: Better handling of permissions on file protocol
- Improved Sessions: option to show session name abovs panes (Thanks Kiran!)
- Improved Tabs: new context menu option to reopen closed tab
- Improved Screenshots: Always hide scrollbar when taking screenshots
- Improved Navigation: You can now turn off navigation sync for an entire tab at once (Thanks Kiran!)
- Improved Scroll sync now runs at higher framerates
- Improved Color picker: export color and background combination as CSS
- Improved Layout switcher: links to workspaces (Thanks David!)
- Improved App-wide confirmation system to prevent destructive actions (Thanks David!)
- Improved Cache disabling logic now handles more cases
- Improved Switch to new Chat support provider Crisp
- Improved Better logic for overflow detection (Thanks Emma!)
- Improved updated list of Google fonts
Fixes
- Fix Elements panel: Prevent elements panel crash for certain HTML structures (Thanks Pandu!)
- Fix Reference image: Top offset on reference image cuts off by viewport (Thanks Niels!)
- Fix Rulers: issue where you couldn't add guides in full layout with measure overlay visible
- Fix Breakpoints: Fix detection logic for media query ranges
- Fix Breakpoints: Correctly detect all nested breakpoints (Thanks Erik!)
- Fix Color picker: Colors on Wayland were always fully transparent (Thanks Philipp!)
- Fix Outline panel: Deal with HTML element height affecting outline detection (Thanks Eric!)
- Fix Focus sync didn't work in some cases
- Fix Context menu: 'autofill form' is now shown on all form descendants
- Fix Issue where bulk screenshots sometimes wouldn't be saved

Polypane 25.1.1
This is a bugfix release. Full release notes for 25.1 and 25.1.1.
Improvements
- Improved Prevent permission popups for DRM requests
Fixes
- Fix DRM: Fix Spotify playback on Mac
- Fix Color contrast now takes color-scheme settings into account (Thanks Karthik!)
- Fix Elements panel: using arrow keys while editing attributes could result in the attribute being deleted
- Fix Elements panel: Fix issue where shadow root couldn't be selected (Thanks Mark!)
- Fix Elements panel: Show child nodes for elements that only have a shadowRoot as direct child

Polypane 25.1
Polypane 25.1 is now available, and it brings DRM support through Widevine, a new reopen last closed tab feature and a number of improvements and fixes. Full release notes.
New
- New DRM support through Widevine
- New Reopen last closed tab feature
Improvements
- Improved Outline panel: Show only links with issues option (Thanks Anthony!)
- Improved Form outline: prevent form element rows from being too tall
- Improved Meta panel: Shows warning when a robots meta tag prevents indexing (Thanks Laurent!)
- Improved Guides: Split view layout now has enough space for the vertical ruler
- Improved Form autofilling no longer changes hidden fields (Thanks Mathieu!)
- Improved Prevent generated screenshot names from becoming too long
- Improved Polypane Peek: hide contrast value if no contrast is available
- Improved Elements panel: Expand elements in the tree view if they have text content and pseudo elements (Thanks Laurent!)
- Improved Extensions: Find extensions now opens in new tab
- Improved Quick Start: shortcuts now no longer change when emulating different operating systems (Thanks Damien!)
- Improved Updated list of Google Fonts
- Improved Updated Chromium to 138.0.7204.157
Fixes
- Fix Elements panel: Show shadowRoot contents again (Thanks Mark!)
- Fix Elements Panel: parsing of oklab/oklch text-shadows in elements panel and tooltips
- Fix Guides: NaN values in guides for vertical ruler in split layout
- Fix Closing popups in focus and full mode reopens devtools again (thanks Karl!)
- Fix Adjusted panel text size was only applied in the first tab (Thanks Laurent!)
- Fix Meta panel: catch errors when parsing faulty microdata (Thanks Laurent!)
- Fix Meta panel: Now show microdata when available on its own rather than together with RDFa
- Fix Meta panel: App freeze when trying to hide social media previews (Thanks George!)

Polypane 25.0.1
This is a bugfix release. Full release notes.
Improvements
- Improved Elements panel now shows HTML comments in the tree view (Thanks Kim!)
- Improved Extensions: better support for extension popups
- Improved Recording: support recording of very large panes
- Improved Updates list of Google fonts
- Improved Updated Chromium 138.0.7204.97
Fixes
- Fix Context menu on color suggestion not being visible (Thanks Eric!)
- Fix Outline panel: Fix issue where hidden buttons had an incorrect label

Polypane 25
We've updated our browser extension implementation to support Manifest v3 so we support a ton more extensions, there's a new Form outline view that shows you the structure of your forms, and we've updated to Chromium 138 along with many fixes and updates to existing features. Full release notes.
New
- New Manifest v3 extensions support
- New Outline panel: Form outline view
- New Chromium 138
Improvements
- Improved Elements panel: New CSS properties and attributes support
- Improved Elements panel: CSS property suggestions are now sorted by popularity
- Improved Meta panel: accuracy of StructuredData validation (Thanks Josh)
- Improved Storage panel: automatically updates when storage changes
- Improved Outline panel: Prevent warning about duplicate landmarks when some are hidden
- Improved Outline panel: more accurate detection of name for hidden elements
- Improved Updated default sizing of some device presets
- Improved JSON and XML viewer now support URLs with TrustedHTML enabled
- Improved Debug tools: Toggle option to move target size UI out of the way (Thanks Emma!)
- Improved Layout debugging: we now use p3 colors where available (Thanks Dyna!)
- Improved Emulation: Add a reset to defaults button (Thanks Steve!)
- Improved Color picker: Right-click suggestion to copy value or full suggestion string (Thanks Eric!)
- Improved Focus layout: Randomly resizing the pane now animates the resize
- Improved Updated Web Vitals library
- Improved Update Google fonts list
Removals
- Removed SCSS parsing in the Live CSS Panel
- Removed Support for Manifest v2 extensions
Fixes
- Fix Elements panel: issue with selectors with nested parentheses
- Fix Elements panel: Prevent non-values from being recognised as (in)valid IDs
- Fix Elements panel: Fix occurances where the tree view would remain empty until selecting an element
- Fix Elements panel: Unnamed layers weren't displayed correctly
- Fix Elements panel: Color contrast checker in a11y tab now takes font-size into account again
- Fix Source panel: Better layout in horizontal layout (Thanks Andreas!)
- Fix Meta panel: prevent crash when adding an invalid URL as domain overwrite
- Fix Undocked devtools opening when moving away from devtools panel
- Fix Context menu not working after a hard reload
- Fix Node highlights: prevent design leak issue with global CSS values
- Fix Hiding the header on mac prevented top pane buttons from being clickable (Thanks Trond!)
- Fix Remove space in front of color swatch screenshot default file name (Thanks Eric!)
- Fix Prevent resize events for unfocused tabs

Polypane 24.1.2
This is a bugfix release.
Improvements
- Improved Updated list of known Google fonts
- Improved Updated Chromium to 136.0.7103.149
Fixes
- Fix for CVE-2025-5419
Polypane 24.1.0
A new measure overlay lets you drag out a rectangle on the page and measure arbitrary parts of the page and screenshot the selected area. The XML viewer lets you inspect and filter XML files like RSS or OPML files and the Find by CSS selector has a new inspection option. Full release notes.

Polypane 24.1.1
This is a bugfix release.
- Fix Elements panel: Fix issue displaying nested @supports styling rules (Thanks John!)
Polypane 24.1.0
A new measure overlay lets you drag out a rectangle on the page and measure arbitrary parts of the page and screenshot the selected area. The XML viewer lets you inspect and filter XML files like RSS or OPML files and the Find by CSS selector has a new inspection option. Full release notes.

Polypane 24.1.0
A new measure overlay lets you drag out a rectangle on the page and measure arbitrary parts of the page and screenshot the selected area. The XML viewer lets you inspect and filter XML files like RSS or OPML files and the Find by CSS selector has a new inspection option. Full release notes.
New
- New Measure overlay: New measure tool to measure arbitrary parts of the page
- New XML/RSS Viewer (Thanks Evan!)
- New Find elements now has a new option to inspect the element in the devtools (Thanks Nils!)
- New Meta panel: New LinkedIn share design
- New Updated Chromium to 136.0.7103.93
Improvements
- Improved Tabs: You can now double-click a tab to overwrite the title and color
- Improved Elements panel: We now hide internal Polypane elements in the elements panel to improve performance
- Improved Rulers: Showing and hiding rulers can now be done per tab
- Improved Meta panel: Improved layout for charset, language row
- Improved Outline panel: improve performance when gathering data
- Improved Split layout: pane dragger is now correctly centered
- Improved updated the list of Google fonts
Fixes
- Fix Full layout: Website no longer has rounded corners
- Fix Devtools panel: Devtools did not correctly resize along with panel on first open
- Fix Using The Pointer lock API would crash Polypane (Thanks Andrew!)
- Fix Inspect in Devtools did not always open the panel properly (Thanks Tor!)
- Fix Permission refresh bug is now solved for all permission types
- Fix Rulers: Color picker now show correctly when editing the color
- Fix Outline panel: Right-click and open in new tab works again
- Fix Hover style syncing randomly stopped working
- Fix Video recording: fixed issue where part of video would be cut off
- Fix Windows ARM: Fixed crash on startup

Polypane 24.0.2
This is a bugfix release. Full release notes.
Improvements
- Improved Meta panel: show humans.txt and ai.txt in authored dimensions
- Improved Elements panel: Improve element selection performance
- Improved Outline panel: Improved performance for gathering outlines
- Improved Touch emulation logic interactions
- Improved Chromium 136.0.7103.49
Fixes
- Fix Prevent redirection to broken URL after accepting permission requests
- Fix Title bar background color on Windows
- Fix Bus messages weren't filtered by tab
- Fix Hover sync would stop working when hard refresing panes
- Fix Device metric emulation bug causing cut off content (Thanks Eric!)
- Fix Prevent devtools from occassionaly opening undocked (Thanks Matthias!)

Polypane 24.0.1
This is a bugfix release. Full release notes
New
- New Elements panel: Support @import layer() in the style editor (Thanks Manuel!)
- New Presets: added a new KaiOS mobile phone preset (Thanks Declan!)
- New Links opened in new tabs will use the same session as the tab you clicked from (Thanks Devan!)
Improvements
- Improved Elements panel: Improve bottom-aligned layout
- Improved Outline panel: Lower the threshold for manual link testing to 50 links
- Improved Reference image: Middle click the icon to remove the reference image
- Improved Workspaces: Improve bottom-aligned layout for large workspaces
- Improved Handling of tab dragging
- Improved Panes now maintain a consistent border radius regardless of the zoom level
- Improved Live reload: improved icon clarity
- Improved Automatically replace crashed panes on reload
- Improved Mac users can now also grant access to camera and microphone in Polypane (Thanks Ruben!)
- Improved Chromium 136.0.7103.48
Fixes
- Fix Reference image would be removed on initialisation (Thanks Ayaan!)
- Fix Recording: pages without explicit background color now get a color-scheme aware default background color (Thanks Eric!)
- Fix Color picker in elements panel would close when selecting a full red color
- Fix Color picker could reset it's hue to 0 when saturation or lightness was set to 0
- Fix Workspaces: Allow unnamed workspaces to be dragged
- Fix Highly zoomed in panes would have incorrect device metrics (Thanks Eric!)
- Fix Middle-clicking navigational buttons would result in incorrect URL showing in the address bar
- Fix Elements panel: update accessible name for elements who's accessible names are only calculated on focus (Thanks Eric!)
- Fix Elements panel: issue where the style editor would not show suggestions while typing
- Fix Live reloading: reinstate support for globs in the ignorepatterns.txt file (Thanks Matt!)

Polypane 24
We're introducing a new recording feature, a 3D stacking context visualization, you can customize tab titles and colors so you never confuse local and production again, the elements panel lets you edit HTML while preserving events, and we've updated Chromium to version 136. Full release notes
New
- New Record panes and annotate the resulting video
- New Debug tools: Stacking context 3d visualisation (Thanks Ollie!)
- New Custom tab title and color
- New Custom tab and address bar colors based on domain
- New Elements panel: Support for event-preserving HTML editing
- New Copy link to highlight
- New Meta panel: Mastodon preview now includes author information
- New Chromium 136.0.7103.33
Improvements
- Improved Elements panel: show warnings for elements/roles that should not have an aria-label or accessible name
- Improved Elements panel: Show information on an elements status as containing block and the containing block it's in (Thanks James!)
- Improved Elements panel: middle-click layout debugging icon to turn it off across the page (Thanks Paulo!)
- Improved Elements panel: support for forcing the :open pseudo state
- Improved Elements panel: inspect and edit styles for new pseudo classes like ::checkmark, ::picker-icon, and carousel-related ::column, ::scroll-button, ::scroll-marker, and ::scroll-marker-group.
- Improved Elements panel: support for corner-shape
- Improved Elements panel: support for newly added CSS properties and associated values
- Improved Elements panel: Show explainer warning when you double-click to edit in the tree view
- Improved Meta panel: Order and hide social media previews (Thanks Bailey!)
- Improved Meta panel: Improve handling of HTML in Slack card previews
- Improved Outline panel: Now also knows how to handle tabindices lower than -1 (Thanks Jules!)
- Improved Outline panel: Add warning for links with the word "continue"
- Improved Outline panel: visual content is normalised before comparing to prevent false positives
- Improved Outline panel: Shows links with missing href attribute and warns about them
- Improved Outline panel: Focus order now follow browser logic for radio button groups (Thanks Eric!)
- Improved Design: New pane resizing indicator designs
- Improved Design: New focused pane indicator style
- Improved Design: Address bar now shows full URL as title when truncated
- Improved Design: Add the pane rotation button back again
- Improved Design: Integrations are hidden by default
- Improved Design: Latest set panel position is applied to new tabs to bring it in line with other browsers
- Improved Debug tools: Track focus infobox is now in the bottom right, no longer obcured by status bar (Thanks Eric!)
- Improved Debug tools: Target size is now even more accurate for edge cases (Thanks Eric!)
- Improved Debug tools: Target size checks now have a recheck button, and an option to check targets in paragraphs
- Improved Rename cache disable option for clarity around sessions
- Improved Right-click context menu options for video elements (Thanks Eric!)
- Improved JSON viewer: Opening JSON files from disk now automatically uses the full layout
- Improved More performant address bar suggestions
- Improved Workspace panel: Re-order custom workspaces (Thanks Sam!)
- Improved Screenshots: Default screenshot handling action is now configured in screenshot settings
- Improved Screenshots: Better defaults for arrows and other annotation shapes
- Improved Screenshots: refactored to be at the correct scale to improve quality
- Improved Color picker: Show pickers for fore- and background and improve design
- Improved Tabs: Allow dragging non-active tabs without first activating them (Thanks Sander!)
- Improved Emulation: improved handling of mobile page zoom logic and resetting
- Improved Extensions: When switching tabs, the first pane is automatically set as the extension target
- Improved Additional notifications during autoupdate download process
- Improved Accessibility panel: 

Polypane 23.1.1
This is a debug release Full 23.1 release notes
New
- New Chromium 132.0.6834.196
Fixes
- Fix Scroll sync on Astro sites with view transitions (Thanks Frank!)
- Fix Page load error message didn't update size in Full layout
- Fix Prevent find-in-page locking the browser
- Fix Rename "social media previews" to "social media cards"

Polypane 23.1
Improvements to the Elements panel, screenshot editor and JSON viewer. full release notes
New
- New Elements panel: Show events on elements (Thanks Eric!)
- New Screenshot editor: new Marker tool
- New Turn on all focus-visible styling debug tool
- New Add Startpage search engine
- New Chromium 132.0.6834.194
Improvements
- Improved JSON viewer: Now shows the index of array items
- Improved JSON viewer: Ordering of original JSON is now preserved
- Improved JSON viewer: Performance improvements for large JSON files
- Improved Meta panel: Updated X preview
- Improved Portal: Switch over to using Bonjour domain name
- Improved Elements panel: Support for new select pseudos
- Improved Screenshot editor: Add shortcuts for all tools
- Improved Color picker: Better alignment for color palette
- Improved Prevent rewriting of CSS clip paths and incorrect rewriting of URLs for external resources (Thanks Harald!)
- Improved Keyboard accessibility fixes throughout the app (Thanks Ian!)
- Improved mac installer icon
- Improved updated Google Fonts list
Fixes
- Fix Background color of select dropdowns in settings popover (Thank Qton!)
- Fix Menu issues and typos (Thanks Qton!)
- Fix Portal: Fix Bonjour on Mac not broadcasting address
- Fix Color picker: color format UI broken
- Fix Scroll position in Share panel works again (Thanks Neal!)
- Fix Session: newly added sessions didn't apply emulation settings
- Fix Session management: Multiple UI fixes for dark mode
- Fix Issue where Chromium devtools would open in new window instead of panel
- Fix Scroll position is now preserved on reload again
- Fix Scoll to top and scroll to bottom buttons in reload menu work again

- Improved Outline panel: non-landmarks are now hidden when "show warnings" is turned off
- Improved Command palette can now be opened from View menu
- Improved Live reload: "temp" and "tmp" folders are now ignored by default
- Improved More precise reload button rotation
- Improved Remove close button from screenshot notification (Thanks Zach!)
- Fix Prevent console from showing a failed sourcemap download warning
- Fix Live CSS: suggestions in dark mode now use the right theme (Thanks Giovanni!)
- Fix Screenshot file format selection is now correctly shown (Thanks Jay!)
- Fix Browse panel:
Figma now correctly loads again (Thanks Efekahya!)
- Fix Panel:
Switching from devtools to other panels sometimes kept devtools visible