New Update Opera Beta & Developer Updates Thread

Hello!

New developer update is here – version: 124.0.5678.0.

Fixes and Improvements​

  • Crash Fix: We’ve addressed an important crash issue related to enabling new redesigned opera://history.
  • Compatibility Update: The Microsoft Whiteboard web app (whiteboard.cloud.microsoft) now works correctly with Opera.
  • UI Tweak: The History Sidepanel now displays the full page name, even at default width, so you can easily identify your visited pages at a glance.

Known Issue​

  • We’re aware that the “Import your data” slide in the Opera intro currently appears empty. Don’t worry – this will be fixed in the next release.

For a full list of changes check out our changelog.

Thank you for being part of the Opera community!

Installation links:


Source: Opera 124.0.5678.0 developer update
 
Hello!

New developer update is here – version: 124.0.5691.0

Key highlights:

  • Fixed several crashes.
  • Sidebar Messenger login restored after logout bug.
  • TouchID works again on macOS WebAuthN.
  • Theme Editor now supports line breaks in descriptions.
  • Improved accessibility titles and translations across the interface.

For a full list of changes check out our changelog.

Thank you for being part of the Opera community!

Installation links:


Source: Opera 124.0.5691.0 developer update
 
Hello!

The latest Opera Beta is here – version: 123.0.5669.18.

Key highlights:

  • TouchID now works correctly with WebAuthN on macOS.
  • The “Make Opera Default” button in Easy Setup no longer reappears after restart.
  • Fixed issues in History refresh – search input now has a limit, the layout no longer shifts, and the date picker shows correct weekdays.
  • The X button now works properly when closing Opera during tab reloads.
  • Added new translations for O123.
  • Fixed Sidepanel display so full page names are visible by default.
  • Corrected window button behavior on macOS.
  • Resolved multiple crashes.

Check out Opera 123 changelog for more details.

Happy browsing!

Installation links:


Source: Opera 123.0.5669.18 beta update
 
  • Like
Reactions: Senkei
Hello!

A new Opera Developer build is here – version: 124.0.5701.1, bringing improved stability and refinements to our built-in AI features.

AI improvements​


We’ve made several updates to enhance the AI Chat experience and its integration throughout the browser.

Learn more about our upgraded AI tools in this dedicated post.

Opera One is getting an upgraded built-in AI from Opera Neon
Click to expand...

Other fixes​

  • Fixed crashes related to window handling and split screen
  • Improved Translate feature stability
  • The History search field now keeps focus after resizing

For a full list of changes check out our changelog.

Try it out and share your feedback with us!

Installation links:


Source: Opera 124.0.5701.1 developer update
 
Dear Opera Users,

New Opera Developer is here, starting version 125.

Here’s what’s new in this build:

  • New feature: Tab Island customization is now enabled!
    Read more about it in our dedicated post → Tab Island Customization
  • Chromium updated to version 140.0.7339.208
  • Fixes:
    • Crash on Linux (KDE) – lottie::Animation::GetOriginalSize
    • Content not displayed on opera:activity
    • Split screen now fills the whole web UI area
    • Tab Island name appears correctly when created via drag & drop
  • Bugfix CHR CVE-2025-12433 (V8 security fix)

For a full list of changes check out our changelog.

Thank you for being part of the Opera community!

Installation links:


Source: Opera 125 developer
 
  • Like
Reactions: Jonny Quest
Hi!

We’re happy to announce Opera 124 Beta release!
This update includes a Chromium upgrade to version 140.0.7339.208.

Highlights:​

  • Stability & performance improvements across tabs, sidebar, split-screen, and history features.
  • UI refinements, including updates to Tab Islands and translation menus.
  • Sync and integration fixes.

Security Updates:​


This build includes backported security patches, including:

  • CVE-2025-12433 — Fix for an inappropriate implementation in V8.
  • A V8 JSON.parse memory access fix (Chromium bug 452296415).

We recommend updating to ensure you have the latest security and feature enhancements.

Check out the full changelog for more details.

Happy browsing!

Installation links:


Source: Opera 124 beta
 
Hello!

New update to Opera Developer is here – version: 125.0.5720.0.

What’s new?

Major stability fixes:

  • Resolved numerous crashes related to split screen, tab cycling, new tab creation, DevTools, and startup sessions.

Platform improvements:

  • Linux: Fixed crashes when typing in the address bar.
  • macOS: Fixed crash when closing a window with active split screen.

UI & design clean-ups:

  • Ad blocker popup now matches Opera’s style.
  • Dark mode history menu icons are clearer.
  • Proper separators restored in Sync Setup.
  • Undocked DevTools now stays where you put it.

Shortcut & settings fixes:

  • Keyboard shortcuts page works again.
  • Ctrl + Enter now correctly adds “www.” + “.com”.
  • System theme selection works during onboarding.

For a full list of changes check out our changelog.

Try it out and share your feedback with us!

Installation links:


Source: Opera 125.0.5720.0 developer update
 
Hello!

A new Opera Beta build is now available – version: 124.0.5705.51.

Feel free to try it out, and please let us know if you run into any issues.

Check out changelog for more details.

Happy browsing!

Installation links:


Source: Opera 124.0.5705.51 beta update
 
Hello!

A fresh Opera update has just landed!

This build introduces our refreshed split-screen feature, now available for early testing. It’s still under development, so you may encounter a few bugs – but we’d love to hear what you think and what you discover as you try it out.

You can read more details in the full notes → Split Screen revamped in Opera Developer.

We’ve also included a fix for the issue with the Sonic theme not behaving as expected.

Known issue:

  • A crash may occur when dragging a group of tabs between windows on macOS.

For a full list of changes check out our changelog.

Enjoy the update, and let us know what you think!

Installation links:


Source: Opera 125.0.5727.1 developer update
 
Dear Opera Users,

The first update of Opera Developer 126 brings a focused set of fixes and upgrades:

  • Core updates: Chromium updated to 141.0.7390.125.
  • Stability fixes: Numerous crashes resolved, including issues in window handling, extensions tabs queries, Linux ARM startup, macOS tab dragging, popup windows, Opera Account popup, and TabStrip cleanup.
  • Split Screen improvements: Fixed crashes when adding/removing pages, corrected swapped address bars, proper single-page reload, ability to remove/close pages, better hover area for resize/swap, and menu commands added.
  • UI & behavior fixes: Easy Files shows “all files” reliably
  • Installer: German installer link fixed.

Known issue:

  • Dragging tabs from Tab Island on Window1 to Window2 may cause a crash. We are aware of this and are actively working on a fix.
  • AI button is still under construction while we work on improving its appearance.

For a full list of changes check out our changelog.

Thank you for being part of the Opera community!

Installation links:


Source: Opera 126 developer
 
Hello!

New update to Opera developer is here (version: 126.0.5742.0)!

Key highlights:

  • Critical fix: The Linux/KDE crash on startup is now resolved.
  • Stability & bug fixes: Crashes on Linux/Windows fixed, wallpaper and UI glitches resolved, MV2 extension startup issue fixed.
  • Split Screen enhancements: Drag/drop of tabs improved, more layouts for 3-4 pages, full URL display, mute/unmute, and better animations.
  • Opera AI updates: AI button label fixed, session state saved, translations updated, and resizing issues fixed.
  • Other improvements: VPN/site tooltips corrected, Ubuntu dock icon restored, and Third Party Cookies settings visible.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 126.0.5742.0 developer update
 
Hello!

We’ve rolled out new update (version: 126.0.5744.0) focusing on stability, crash fixes, and enhanced split-screen functionality.

Key Updates​

  • Chromium updated to version 142.0.7444.177.
  • Crash fixes in MediaSessionObserver, ScreenshotTaker, and SplitScreenTabHandler.

Split Screen Enhancements​

  • Menu button no longer stays hovered after layout changes.
  • Drag and drop tabs into existing windows or new layouts.
  • Fixes for crashes and flickering in split-screen mode.
  • Option to create split screen from the link context menu.

Known issue: Crash on closing browser when sidebar setup panel is opened on macOS. We are working on a fix.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 126.0.5744.0 developer update
 
Hello!

New developer update is here (version: 126.0.5748.0)!

Key highlights:

  • Resolved an issue where the “Open in new window” option from Slack in the Sidebar opened a blank page.
  • Addressed SD tiles being cut off.
  • Corrected VPN navigation from Easy Setup so it now opens the VPN section directly.
  • On Linux, Opera now correctly switches to the system’s default language.
  • Crashes when detaching meeting tabs from split screens or closing the browser on Mac with the sidebar setup panel open have been resolved.
  • Fixed color theme highlights for active and hovered tabs.

Known issues:

  • The “System” theme option in onboarding currently applies light mode instead of respecting system dark mode.
  • Importing history from Chromium-based browsers may cause a crash.
  • Crash occurring in when adding 3rd panel to split screen.

Our team is actively working on fixes for these issues.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 126.0.5748.0 developer update
 
Opera 126 is now available in the beta channel, giving you early access to the next version of the Opera browser.

This release is built on Chromium 142.0.7444.243, bringing the latest security updates, performance improvements, and under-the-hood fixes from the Chromium project.

Check out changelog for more details.

Happy browsing!

Installation links:


Source: Opera 126 beta
 
Dear Opera Users,

Opera Developer version 127 is here!
It is running on Chromium version: 142.0.7444.177.

This release introduces a major rewrite of opera://settings, alongside many stability fixes, UI improvements, and feature updates across the browser. Because of the scale of the Settings changes, some issues may still be present.

What’s new?

  • Reorganization of pages added to opera://settings
  • Fixed multiple crashes related to: Split Screen, window closing, video encoding and extension installation
  • Animations added for Split Screen creation, reordering, and drag & drop
  • Improved Split Screen interactions and keyboard shortcuts
  • Fixed multiple Split Screen layout and drag & drop issues
  • Added Tab Island names to History, menus, and folder creation
  • Numerous fixes for tooltips, spacing, shadows, and dark mode inconsistencies
  • DevTools checkbox visibility restored
  • Website compatibility fixes (including Sony domains)
  • Translation and localization corrections

Known issues:

  • Opening VPN Pro in settings from the VPN badge dialog may lead to an empty page
  • Some opera://settings sections may behave incorrectly due to the ongoing Settings rewrite

For a full list of changes check out our changelog.

As always, thanks for testing Opera Developer and reporting issues, your feedback helps us polish these big changes!

Happy browsing

Installation links:


Source: Opera 127 developer
 
Hello!

Opera Beta is retiring, and with version 126.0.5750.30 we’re publishing the final Beta release.

Beta Update Highlights​

  • Updated Chromium – version 142.0.7444.265
  • Fixed multiple crashes
  • Enabled Gmail and Google Calendar in the sidebar on all streams
  • Enabled tab island customization
  • Tab island names are now shown in History, Recently Closed, and context menus

Check out changelog for more details.

__________________________________________

To keep testing new features, switch to Early Bird mode in Opera One by enabling it in Settings:
Opera presents Early Bird mode in Opera One to test upcoming features

Alternatively, you can continue exploring upcoming features by using Opera Developer.

Thank you for being part of Opera Beta 💙

Installation links:


Source: Opera 126.0.5750.30 beta update
 
Dear Opera Users,

The latest developer update is here – version: 128.0.5783.0

Here are the highlights from this release:

  • Chromium update: Chromium has been updated to version 143.0.7499.41
  • Crash fixes: Multiple crashes were resolved, including issues related to wallpapers, split screen, VPN components, extensions, and Windows-specific window handling.
  • Split screen improvements: Enhanced Split Screen received numerous fixes for: layout issues, crashes in private windows, CPU usage problems, and better behavior when duplicating or detaching tabs.
  • VPN and settings enhancements: A new top-level VPN page was added, and several settings pages were fixed to prevent blank or empty views.
  • UI: Improved search result highlighting, better tab island behavior, restored missing buttons on hover, and cleaned-up dialog text on Windows.
  • Feature updates: Sharing Point has been enabled in Developer builds.

Known issues:

  • Crash when importing open tabs from other browsers: Importing open tabs during browser setup may cause a crash. A fix is in progress, and users are advised to import bookmarks and data without open tabs as a temporary workaround.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 128 developer
 
Hello!

New update to Opera developer is now available, version: 128.0.5790.0!

Key highlights:

  • Fixed multiple crashes across settings, extensions, onboarding, DevTools, miniplayer, and complex tab workflows (Tab Islands, Split Screen, window creation).
  • Tab Islands fixes: Better island naming in menus, fixed dragging glitches, transparency issues, and improved behavior with pinned and split tabs.
  • Split Screen fixes: Corrected tooltip positioning, layout issues, and restored missing context menu options.
  • Other fixes: Restored Shift-click multi-selection in History, improved search result highlighting, fixed fullscreen Easy Files, ensured sidebar apps (including Tidal) work correctly, remembered side panel widths per panel and fixed Speed Dial image distortion on focus.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 128.0.5790.0 developer update
 
Hello!

Update to Opera developer is here, version: 128.0.5799.0!

Key highlights:

  • Performance & Stability
    • Multiple crash fixes (extensions, sync settings, proxy switcher, permissions UI)
    • Platform software H.264 GPU encoder enabled by default
  • Split Screen & Tab Islands
    • Fixed drag-and-drop and re-entry issues
    • Improved tab island behavior after restart/update
    • Better tooltips, menus (“Exit Split Screen”), and layout consistency
    • macOS cursor change for split screen resize + layout fixes
  • UI & UX Improvements
    • Dark mode white flash reduced during page load
    • Fixed misplaced popups and blank Start Page
    • Sidebar tweaks (History width, Gmail/Calendar size, faster button response)
    • Dark theme focus visibility improvements
    • Password import fixes (Windows & macOS)
    • Opera AI icon visibility fix after theme switching
    • Multiple Settings and design polish updates

Known Issue

  • On some internal pages, the background may occasionally become transparent.

For a full list of changes check out our changelog.

Happy browsing!

Installation links:


Source: Opera 128.0.5799.0 developer update
 

You may also like...