Changelog for 129
129.0.5823.28 – 2026-03-26 blog post
- DNA-124731 Crash at base::(anonymous namespace)::EarlyFeatureAccessTracker::Fail
129.0.5823.22 – 2026-03-25 blog post
- DNA-124632 DCheck at sessions::(anonymous namespace)::CreateSessionCommandFromPickle
- RNA-2398 Tab bar issue – After dragging domain chip to create new window, tab from behind is taken
- RNA-2501 [Settings] “Guest tab” keyboard shortcut actions appear in Opera One but Guest Tab feature is Opera GX-only
- RNA-2543 Enable feature flag #youtube-in-sidebar on Early Bird
- RNA-2588 Theme editor becomes blank after modifying specific themes
- RNA-2608 Split screen tabs display close button on hover causing tabs to close on click
129.0.5823.15 – 2026-03-18 blog post
- CHR-10238 Update Chromium on desktop-stable-145-5823 to 145.0.7632.117
- DNA-124504 Crash at HandleDelayLoadFailureCommon
- DNA-124516 Dcheck at l10n_util::GetDisplayNameForLocale
- DNA-124520 Crash at extensions::ChromeContentRulesRegistry::WebContentsDestroyed
- DNA-124523 Crash at Browser::GetActiveAddressBarModel
- DNA-124530 Crash at SessionServiceBase::BuildCommandsForBrowser
- DNA-124538 Add space around close button
- DNA-124540 Broken order of tabs when opening bookmark folder with middle click
- DNA-124550 Skip button causing issues for Netflix
- DNA-124552 [Mac OS] Missing tab strip, top bar controls afer going fullscreen
- DNA-124562 Crash at AutoPictureInPictureTabHelper::IsEligibleForAutoPictureInPicture
- DNA-124563 [macOS] Crash at base::AtExitManager::RegisterCallback
- DNA-124565 Crash at content::webid::RequestService::RequestService
- DNA-124573 Promote 129 to stable
- DNA-124579 Crash at base::AtExitManager::RegisterCallback
- DNA-124585 Opera binary crashes after trying to run it in terminal without starting browser process
- DNA-124593 [macOS] Crash after Opera is started by netinstaller
- DNA-124611 Crash when restoring session containing a split screen
- DNA-124625 Crash at opera::TabBar::GetTabIndex
- DNA-124632 DCheck at sessions::(anonymous namespace)::CreateSessionCommandFromPickle
- DNA-124638 Crash when trying to save tab text in session
- DNA-124642 Cherry-pick chromium 0-day CVE-2026-3910
- DNA-124643 Cherry-pick chromium 0-day CVE-2026-3909
- RNA-760 DCHECK in label.cc when showing tab hover card
- RNA-995 [Win][Warn on Quit] “You have X tabs open” message missing on smaller screens (intermittent)
- RNA-1445 [More split screen] Update hover and active colors used for domain chips
- RNA-2037 [Context menu] Group: New Tab / Create Tab Island / Create Split Screen
- RNA-2103 Resized AI panel does not retain width properly when reopened
- RNA-2302 Split screen icon appears cut off in Recently closed
- RNA-2315 [Regression] Folder icon broken in “Bookmarks” menu (O-menu)
- RNA-2327 Crash when closing split screen as a last tab
- RNA-2339 UI bugs
- RNA-2340 Implement WebUI resizing mechanizm
- RNA-2354 Do not allow split screen with detached google meet
- RNA-2355 [Sharing Point] Opera window loses focus after second click on feedback (RateMe) icon
- RNA-2356 Opera Wallet (Crypto Wallet) reappears in sidebar after updating from Opera One 128 to 129
- RNA-2360 Translations for O128
- RNA-2362 [Translations] Incorrect Ukrainian translations in OMenu and Settings
- RNA-2364 Instagram refreshes every time a sidebar panel is opened.
- RNA-2365 ‘How do I do that’ link on the Start Page banner leads to the beggining of the page, not the desired section
- RNA-2373 [Lin] No focus on address bar after opening new window
- RNA-2376 Page crash when opening Google Meet
- RNA-2387 ‘How does it work?’ link doesn’t work for Gemini – wrong link
- RNA-2408 Lucid mode doesn’t work in Youtube in the sidebar
- RNA-2410 The custom color used in the tab island doesn’t save in recently closed
- RNA-2413 [Player]Error when logging into Deezer in Player
- RNA-2421 Remove option to enable automatic picture-in-picture in the Youtube in sidepanel
- RNA-2422 Remove lucid mode option in the Youtube in sidepanel
- RNA-2427 Crash at Widget::GetTopLevelWidget()
- RNA-2434 Assertion in ui::Compositor::DidCommit
- RNA-2479 Translations for O129
- RNA-2497 [Win] Switching between tabs causes the tab(s) in the tab bar to jitter/shake.
- RNA-2506 Crash at tabs::TabCollection::FindMovePositionRecursive
- RNA-2508 Displaying TI without name in recently closed
- RNA-2671 Enable #gemini-in-sidebar on all streams
- RNA-2672 Enable feature flag #google-translate-in-sidebar on all streams
129.0.5818.0 – 2026-02-23 blog post
- DNA-123967 [WinLin] Requested popup opens with wrong content size.
- DNA-124487 gpu::CopyD3D11TexToMem() fails on SharedImage buffers
- DNA-124514 Remove “Detach tab” button and context menu entry on video conferencing tabs
- DNA-124519 [MyFlow] Update extension version
- RNA-2102 Enable #sharing-point flag in early bird
- RNA-2311 Use split_tabs::SplitTabId for Opera’s SplitScreen ID
- RNA-2322 Split Messengers apps in sidebar settings into two sections
- RNA-2329 Crash when restoring split screen in inactive workspace
- RNA-2344 Crash at opera::SplitScreenModelImpl::GetSplitScreenId
- RNA-2362 [Translations] Incorrect Ukrainian translations in OMenu and Settings
- RNA-2369 Error on 1st launching Google Translate
- RNA-2371 No internal page for ‘How does it work?’ link in Google Translate
- RNA-2374 Update version of Intro extension in Opera repository
129.0.5812.0 – 2026-02-17 blog post
- DNA-124309 SearchProviderRequestTest.SendRequestWithAimToolMode fails on stable
- DNA-124374 Crash at syncer::SyncUserSettingsImpl::SetSelectedTypes
- DNA-124462 DCHECK in FedCmAccountSelectionViewBrowserTest tests
- DNA-124474 Re-synchronize video_overlay_window_views*
- DNA-124477 Bump major version to 129
- DNA-124482 Push back expiration of Chromium auto-PiP feature flags
- DNA-124484 DCHECK in EasyFilesBrowserTest tests
- DNA-124486 SettingsFocusTest.AutofillSectionFocus fails
- DNA-124492 ExtensionMenuViewWithExtensionActionChangingParentBrowserTest.ShouldHidePopupBeforeMoving fails
- RNA-954 Multiple session restore tests fail
- RNA-1904 Split Screen button doesn’t appear
- RNA-2019 Restoring Split Screen from macos top bar system menu
- RNA-2020 Restoring Split Screen from Recently Closed
- RNA-2021 Showing Split Screen pages in search in tabs
- RNA-2058 [More split screen] CTRL+click multi-select on split screen tabs prevents switching tabs by click
- RNA-2066 [Win][More split screen] Selecting 2 split screens with shift+click does not always work
- RNA-2157 Crash when dragging tab island with meet tab detached from split screen
- RNA-2214 Crash when creating split screen via drag&drop while a Google Meet call is active
- RNA-2215 Moving the last tab out of a tab island to split screen does not close the tab island
- RNA-2225 Split screen not moving with tab island to another workspace
- RNA-2241 Persist recently closed split screens between runs
- RNA-2247 Handle scenario when closing split screen is interrupted
- RNA-2290 ‘How do I do that’ link on the Start Page banner always leads to English page
- RNA-2299 Crash when opening Easy Files in sidebar overlay
- RNA-2312 RecentlyClosedWindowTest.RestoreClosedSplitScreen fails on stable build




