Available for:

No Comments

Report about Update or Broken Link

Opera One 125.0 Build 5729.12 – Final

(4 votes, 4.00 out of 5)

2025-12-04 00:00 583

Download

Description

Changelog

Specifications

Opera One 125 is a fast and free alternative web browser, based on Chromium and Blink (the rendering engine used by Chromium). It includes tabbed browsing, pop-up blocking, integrated searches.

Opera One 125 has come up with bigger guns to enter the race for the most popular web browser, as the current leading role is played between Google Chrome, Firefox and Microsoft Edge.

This web browser has one intuitive, powerful location for searching and navigating the web. Search using multiple providers and view site suggestions as you type. The Discover feature gives you top-quality news and entertainment from around the globe.

Moreover, Opera One 125 also has the advanced functions such as Opera Mail program. It is the lightweight, customizable mail client that refines your email experience.

Opera One 125 Browser Features:

Anti-Bitcoin mining tool

The browser comes with an innovative anti-Bitcoin mining tool. It also displays security badges, which give you a quick glance at the security of a page. If the browser’s Fraud and Malware Protection detects anything potentially dangerous, it will display a popup to warn you.

Blocker

Enjoy cleaner and smoother browsing with less distractions. Ad Blocker protects your privacy and speeds up your browsing on both mobile and desktop.

AI

Chat with AI on desktop and mobile in Opera Browser. ChatGPT and Aria, Opera’s free and unlimited browser AI, are seamlessly integrated into your browser.

Messengers

Easily use your favorite messengers and social apps while browsing the web. WhatsApp, Instagram, Twitter and more are built right into your sidebar.

VPN

Browse privately using Opera’s built-in, free VPN on desktop and mobile. Or even subscribe to VPN Pro to get enhanced protection for your entire device.

Flow file sharing

Instantly send files, links and notes between your devices.

Sync data

Synchronize Opera Browser between all of your devices. If you install Opera browser for Android or iOS mobile and for Desktop on your computer, you can see cross-device syncing in action. Make some bookmarks on your computer and see them appear on your Android or iOS phone.

Music Player

A world of music and podcasts at your fingertips. H.264 video and MP3 Audio is widely used on the internet. Therefore, with Opera Browser you will have native access to such content.

Opera Wallet

Make secure crypto transactions with a built-in crypto wallet.

Pinboards

A world of music and podcasts at your fingertips.

Integrated PDF viewer.

In addition, Opera has integrated a fast PDF Viewer directly into the browser so you can keep reading without changing applications.

Video pop out.

Allows you to shift your video frame to the side of your screen, so you can truly multitask. Browse, shop online or do the research without missing out on the video action.

RSS in personal news.

RSS support makes the built in newsreader even more customizable.

VR Player Support

Opera is the first browser to support 360-degree videos in virtual reality headsets! It has a built-in VR 360 player for leading headsets, such as HTC Vive, Oculus Rift and other OpenVR compatible devices. That unlocks the immersive world of 360-degree videos for Opera users.

Changes in Opera One 125.0.5729.12 Final:

CHR-2543 Implementation of MP3 and H.264 support
CHR-10137 Update Chromium on master to 141.0.7390.125
DNA-122301 Crash at TabHoverCardController::OnTabArtSelected
DNA-123647 Crash at opera::SidebarController::OnItemCollapsed
DNA-123648 DumpWithoutCrashing at blink::PageThemeClientImpl::SetTheme
DNA-123769 DCHECK fails at PasswordBubbleViewBase::ShowBubble on sign in
DNA-123798 Crash at content::WebUIMessageHandler::CallJavascriptFunction
DNA-123827 Crash at opera::TabCyclerWidget::ShowWidgets
DNA-123947 No shortcuts on opera://settings/keyboardShortcuts page
DNA-123962 Enable React tests for startpage
DNA-123973 Crash at opera::VibesServiceImpl::OnVibeUpdated
DNA-123980 Crash at opera::VibesDataReaderImpl::LoadDefaultColorsForVibe
DNA-123982 [Linux] Incorrect package name for stable package
DNA-123987 Opera crashes when opening new tab with scrollable tab strip
DNA-123998 [Mac] Not possible to drag image from browser onto desktop
DNA-124003 Backport fix for CVE-2025-13223 to O124
DNA-124027 [Linux] Broken installation of deb on opera-stable
DNA-124032 Opening adblock popup immediately after closing does not work
DNA-124040 AddressFieldHelperClipboardTest.GetSanitizedClipboardText fails randomly
DNA-124043 Autoupdate fails
DNA-124045 Missing sections in settings
DNA-124058 Themes wallpaper dissapears after opening dev tools
DNA-124065 Crash at windows_util::CanOperateOnWindow
DNA-124091 Crash at opera::PasteProtectionButtonView::UpdateIcon
DNA-124097 Crash at extensions::TabsQueryFunction::Run
DNA-124117 Promote 125 to stable
RNA-236 Translate to specified target language
RNA-772 Options link in installer broken when set to German
RNA-852 “Add to Opera” button text is barely visible on Chrome Web Store extensions page
RNA-940 Ad blocker popup background not in Opera style
RNA-1245 [Easy files] Easy files bar doesn’t always show ‘all files’ option
RNA-1308 Ctrl + Enter shortcut does not add “www.” &”.com” to complete the URL
RNA-1330 [Intro] System theme selection fails in onboarding
RNA-1378 [MAC] Switch –launchopera=[0|1] is not working with network installer
RNA-1395 [macOS] Crash when closing window with active split screen
RNA-1398 Undocked DevTools doesn’t stay in the place where user left it
RNA-1401 Missing separator between ‘Extensions’ and ‘History’ on opera://settings/syncSetup
RNA-1408 Translations for O124
RNA-1446 Crashloop on startup after restoring old session with split screen
RNA-1447 [Linux] Crash after typing anything in address bar
RNA-1460 [Linux] DCHECK when starting the browser with a child popup widget showing
RNA-1491 Opening Themes Gallery creates a Tab Island
RNA-1513 Crash when closing Opera with an active split screen
RNA-1524 Third Party Cookies blocking section missing in settings
RNA-1525 Crash at sessions::SerializedSplitScreenData::Ratios::Read
RNA-1590 Incorrect placement of Opera account popup
RNA-1591 Sonic – Theme preview is unavailable
RNA-1611 [Mac] Crash on dragging group of tabs from window
RNA-1644 Crash at opera::TabStripControllerImpl::Cleanup
RNA-1645 Crash on closing popup window

Homepage – https://www.opera.com

Opera System Requirements:

Windows

Windows 10 or later
Intel Pentium 4 / AMD Athlon 64 processor or later with support for SSE2

Mac

macOS 10.13 or later

Linux

64-bit Ubuntu 16.04 or later
Intel Pentium 4 / AMD Athlon 64 processor or later with support for SSE2

Browse a lot? Keep it organized

Watch this video on YouTube

Size: 119 MB

Opera One 125.0 Build 5729.12 – Final