126.0.5744.0 – 2025-12-09 blog post

• CHR-10151 Update Chromium on master to 142.0.7444.177
• DNA-124153 Crash at base::allocator::UnretainedDanglingRawPtrDetectedCrash in MediaSessionObserverStubDispatch
• DNA-124156 [Chromium intake] Chromium feature button in DevTools
• RNA-1231 [More split screen] Menu button remains in hovered state after layout change
• RNA-1239 Crash at opera::ScreenshotTaker::SnapFullPage
• RNA-1500 [Linux] Split Screen Swap button is easily flickering
• RNA-1501 Drag split screen tabs into an existing window
• RNA-1664 [More split screen] Crash when moving split screen tabs to another workspace
• RNA-1761 Create new split screen with link context menu
• RNA-1774 Allow adding pages with drag and drop into new layouts
• RNA-1792 Crash at opera::SplitScreenTabHandler::UpdateSplitScreenData

126.0.5742.0 – 2025-12-09 blog post

• DNA-124058 Themes wallpaper dissapears after opening dev tools
• DNA-124059 Tab Capture indicator border is missing
• DNA-124091 Crash at opera::PasteProtectionButtonView::UpdateIcon
• DNA-124101 [Linux] Crash at ui::Shadow::SetContentBounds
• DNA-124110 Crash at base::allocator::UnretainedDanglingRawPtrDetectedCrash
• DNA-124112 zoom_in_more and zoom_out_more tests fail
• DNA-124126 [Win] The dot and the ‘Get the latest security update’ option are shown even when the version is up to date.
• DNA-124132 MV2 extensions are blocked on each browser startup
• DNA-124133 [Linux] [KDE] Crash on startup
• DNA-124139 Make AI extension attachable by webdriver
• DNA-124145 Crash at views::View::DoRemoveChildView
• RNA-1238 Site info/VPN tooltip displayed under wrong chip
• RNA-1247 [More split screen] Address field does not collapse when losing focus
• RNA-1282 [More split screen] Right drop area text is not aligned to the right
• RNA-1340 [More split screen] Crash when creating split screen with detached Google Meet tab
• RNA-1496 Dragging selected split screen tabs
• RNA-1497 Create tab island with a split screen tab by dragging
• RNA-1498 Drag and drop tab island that contains split screen tab
• RNA-1503 [Linux] Opera One does not have an icon and name in Ubuntu dock
• RNA-1505 Allow dragging domain chips on tab strip (removing this tab from Split Screen)
• RNA-1543 [More split screen] Missing option to set an emoji from the tab tooltip
• RNA-1544 Save AI Chat state in session
• RNA-1598 Copy page address for Split Screen page
• RNA-1599 Show full URL of page in Split Screen
• RNA-1600 Changing position of the page in Split Screen
• RNA-1601 Mute/unmute page in Split Screen
• RNA-1623 Allow dragging domain chip to add it to bookmarks
• RNA-1624 Allow dragging domain chip to remove it from Split Screen and add to tab island
• RNA-1629 Translations for O125
• RNA-1677 AI button – missing “AI” text label, only Opera AI icon is shown
• RNA-1678 In-house translations for Opera AI strings
• RNA-1679 [EasySetup] “Opera AI” should be a header in Easy Setup
• RNA-1680 [More split screen] Domain chip context menu options should be divided to match design
• RNA-1688 In-house translations for updated AI Chat strings
• RNA-1694 Opera AI favicon is vertically shifted/cropped in tab view and history
• RNA-1708 Clean up lost behaviors from component UI tab bar change
• RNA-1736 Grant permissions for feedbackPopupPrivate to Start Page Special extensions
• RNA-1737 [More split screen] Improve animation for adding domain chip to tab island
• RNA-1743 Third Party Cookies blocking section missing in Settings O126
• RNA-1768 Opera AI chat panel resizing freezes Opera window / OS window focus
• RNA-1772 Allow choosing all possible layouts for 3- and 4-page split screens
• RNA-1782 [More split screen] Improve animation for dragging domain chip

126.0.5734.0 – 2025-12-01 blog post

• CHR-10137 Update Chromium on master to 141.0.7390.125
• DNA-124030 Multiple tests from parent: test_advanced fail on goth.
• DNA-124040 AddressFieldHelperClipboardTest.GetSanitizedClipboardText fails randomly
• DNA-124043 Autoupdate fails
• DNA-124045 Missing sections in settings
• DNA-124047 Fix remaining dangling pointers after intake in desktop_common_unittests
• DNA-124055 BrowserWindowFeatures::TearDownPreBrowserWindowDestruction() is never called
• DNA-124063 Bump major version to 126
• DNA-124065 Crash at windows_util::CanOperateOnWindow
• DNA-124070 PrefServiceTest.GetValueWithTypeConversion fails on dcheck builds
• DNA-124074 Fix dangling pointers in SubTabBarDragControllerTest
• DNA-124079 Fix dangling pointers in TabHoverCardController
• DNA-124093 Linux ARM crashes on startup
• DNA-124097 Crash at extensions::TabsQueryFunction::Run
• RNA-772 Options link in installer broken when set to German
• RNA-1229 [More split screen] Crash when adding split screen to tab island
• RNA-1245 [Easy files] Easy files bar doesn’t always show ‘all files’ option
• RNA-1286 [More split screen] Reload button refreshes all pages instead of only the active page
• RNA-1390 [More split screen] Active split screen tab in changes when tab outside of split screen is selected
• RNA-1415 [More split screen] Hover area too small for resize and swap button
• RNA-1502 Implement menu commands for Split Screen tab
• RNA-1532 Domain chip name should not contain “www.”
• RNA-1571 [Split screen] Adressbars swapped for panels
• RNA-1587 Crash at opera::BrowserWindowImpl::ShowOperaAccountPopup
• RNA-1590 Incorrect placement of Opera account popup
• RNA-1595 Display context menu on right-click on domain chip
• RNA-1596 Remove page from Split Screen without closing it
• RNA-1597 Reload one of Split Screen pages
• RNA-1602 Close page from Split Screen
• RNA-1611 [Mac] Crash on dragging group of tabs from window
• RNA-1619 [Win] installer uses incorrect URL for preinstalling Opera AI extension
• RNA-1622 Opera AI process is still running after disabling it in Easy setup
• RNA-1644 Crash at opera::TabStripControllerImpl::Cleanup
• RNA-1645 Crash on closing popup window

---