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Opera 84.0.4302.0 Developer Edition

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Opera 84.0.4302.0 Developer Edition

Opera 84 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 84 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, Mozilla Firefox and Internet Explorer.

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

Opera 84 Browser Features:

Now it 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.

Bookmarks. Now you can quickly enable or disable the bookmarks bar by selecting Show bookmark bar. If you want to bookmark a page, click the HEART icon.

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

Support for H.264 and MP3. H.264 video and MP3 Audio is widely used on the internet. Therefore, with Opera Browser you will have native access to such content.

Syncing Bookmarks with Android. If you install Opera browser for Android 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 phone.

Sync open tabs between computers. In Opera for computers, you can now sync your open tabs.

MSE + MP3. MSE Audio now works from within Opera, enabling playback from Google Play Music and similar services.

Custom ad-blocking list support. Users have the possibility to load your own files in the block-list form. Use extra button in Preferences, where you can add/remove any extra block-list files you’d like to load.

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.

Opera has integrated free VPN integrated for better online privacy.

That allows to be unblocked of firewalls and websites, hide your IP address and ensures public Wi-Fi security.

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 84.0.4295.0 Developer Edition:

  • CHR-8700 Update chromium on master to 98.0.4750.0
  • DNA-92082 Remove deprecated backward compat measures
  • DNA-95642 Timeouts in workspaces_reordering
  • DNA-95920 Address bar dropdown stays open after typing text and pressing Esc
  • DNA-96040 Add delete button to deletable suggestions in address bar suggestions in webUI
  • DNA-96151 Add support to open suggestion in a new tab|window
  • DNA-96407 [Mac] Snap window is shown in full screen when in full screen mode
  • DNA-96680 Wrong order of highlighted suggestion when using down|up arrow key
  • DNA-96684 Safe Browsing mentioned in opera://settings/privacy
  • DNA-96696 Crash at extensions::Extension::is_platform_app()
  • DNA-96701 Adding bookmarks to Bookmarks bar have different logic
  • DNA-96805 [Mac] Running out of available command IDs
  • DNA-96834 [Video Conferencing Pop Out] Pop out window no longer transparent, when changing tabs
  • DNA-96933 Add the UI tracker API
  • DNA-96967 Increase font weight of the provider label
  • DNA-96968 Fix alignment of the ‘Advanced’ button in Settings
  • DNA-96969 Round corners of suggestions
  • DNA-96974 [Mac]Crash at views::internal::MenuRunnerImplCocoa::RunMenuAt(views::Widget*, views::MenuButtonController*, gfx::Rect const&, views::MenuAnchorPosition, int, gfx::NativeView)
  • DNA-96981 Fix pylint issues in desktop/packaging/
  • DNA-96983 Refactor assertExtensionResults in desktop/common/python/utils/
  • DNA-96993 Create unittests for tab strip layout
  • DNA-97000 [Mac] Unexpected red frame around bookmarks bar item menu
  • DNA-97007 Crash at static void chrome::ToggleSidebarPanel(const class Browser*, const opera::BrowserSidebarItemIds::Id& const)
  • DNA-97008 Continuous builds error after DNA-96805
  • DNA-97015 Remove fast-tab-tooltip
  • DNA-97016 Remove reader-mode
  • DNA-97017 Remove snap-meme-generator
  • DNA-97027 Incorrect tab size after tab close
  • DNA-97031 [Windows] Crash on clicking o-menu
  • DNA-97032 Fix opauto tests that depend on tab loading after session restore
  • DNA-97033 Implement unit conversion like in search/copy popup
  • DNA-97043 Crash at _tailMerge_mfplat.dll
  • DNA-97046 Fix pylint issues in desktop/ scripts
  • DNA-97069 DCHECK at
  • DNA-97076 “Preload pages for faster browsing and searching” mentions Chrome instead of Opera
  • DNA-97081 Tab title is not visible on hover
  • DNA-97109 Snapshot doesn’t snap anything on certain sites

Changes in Opera 84.0.4274.0 Developer Edition:

  • DNA-95642 Timeouts in workspaces_reordering
  • DNA-95908 Interstitial/internal pages shown as NOT SECURE after visiting http site
  • DNA-96498 Learn more link should go somewhere
  • DNA-96516 Display apple-touch-icon for Top Sites
  • DNA-96723 Loomi configure shortcuts leads to nowhere
  • DNA-96725 Enable paste protection on Developer stream
  • DNA-96730 Create unit tests for WebUI address bar dropdown
  • DNA-96735 Blurred icons in address bar WebUI dropdown
  • DNA-96767 Add PUA state to avro stat schema
  • DNA-96780 Crash at ui::NativeTheme::RemoveObserver(ui::NativeThemeObserver*)
  • DNA-96789 [Mac] No information about crash on non-foreground tabs
  • DNA-96793 Extend WidevineCdmUpdater to Media Foundation CDM
  • DNA-96802 Fix pylint issues in desktop/browser/ui/views/theme
  • DNA-96806 Align with Rich hints
  • DNA-96817 Remove launcher.exe*.old files after update
  • DNA-96819 Remove BrowserWindow::CloseAllTransientPopups
  • DNA-96822 Tab close resize behavior change
  • DNA-96839 False positives when detecting RegExp rules
  • DNA-96841 start-maximized switch is not working
  • DNA-96842 Empty workspace is not fixed after session restore
  • DNA-96850 Element type ignored in content script
  • DNA-96851 Subdocument test fails
  • DNA-96859 [AcceptableAds] Global ElemHide&Document filters not loaded
  • DNA-96865 Replace quick fix with a proper solution
  • DNA-96871 Fix pylint issues in desktop/build/
  • DNA-96873 Enable #vpn-selective-bypass-for-search by default on developer
  • DNA-96891 DCHECK when entering text in address field
  • DNA-96894 Presubmit checks should be run using Python3
  • DNA-96903 “— shown instead of “-” on opera://flags
  • DNA-96904 Support Win11 snap layout popup

Changes in Opera 84.0.4260.0 Developer Edition:

  • CHR-2879 Bookmarks sync using Chromium sync protocol.
  • CHR-8679 Update chromium on master to 98.0.4710.4
  • DNA-93284 Unstable obj/opera/desktop/common/installer_rc_generated/installer.res
  • DNA-95427 [Linux] Opera window brought to top after hover in fvwm
  • DNA-95909 Address bar dropdown is not shown until browsing history meets BABE requirement
  • DNA-95983 Make sure Opera is ready for bfcache
  • DNA-96079 Turn on #automatic-video-popout on developer
  • DNA-96239 Write tests for manual VPN bypass rules UI
  • DNA-96459 [Win/Lin] Fasttab Tooltip doesnt go away when activating a link
  • DNA-96483 [Snap][Linux] Video not working / wrong ffmpeg snap version for Opera 82
  • DNA-96519 Double-click on inactive scroll buttons is not protected
  • DNA-96534 Paste dialog is often not shown after pasting to sidebar/ extension popup
  • DNA-96559 Tooltip popup looks bad in dark theme
  • DNA-96570 [Player] Tidal logging in via PLAY doesn’t work
  • DNA-96579 Tabs in scrollable tab strip show tab title
  • DNA-96581 Fast tab tooltip doesn’t always show related sites with scrollable tab strip
  • DNA-96594 Unnecessary extra space in fullscreen mode on M1 Pro MacBooks
  • DNA-96598 Tab strip is not properly scrolled after performing “Close other tabs”
  • DNA-96608 Cannot drag a tab to create a new window
  • DNA-96615 Enable TypeScript tests of Settings UI
  • DNA-96634 [Win] Tab strip is unexpectedly scrolled to the left after pinning a tab
  • DNA-96637 Remove VPN references from NI in Russia and China
  • DNA-96648 Add accessibility label for Settings dialog of video|video conference popout
  • DNA-96657 Do not make tab tooltip hoverable if there’s no list of tabs
  • DNA-96659 Siteprefs not applied after network service crash
  • DNA-96663 Enable more CrSettingsBrowserTest tests
  • DNA-96672 Enable #yat-emoji-addresses for all streams
  • DNA-96675 Do not hard-code country code for rollout
  • DNA-96676 Add Icon in the Sidebar Setup
  • DNA-96677 Add default URL
  • DNA-96682 Enable #vpn-manual-bypass-for-intranet by default everywhere
  • DNA-96683 Unexpected tab hover effect after selecting related tab in fast tab tooltip

Homepage –

Opera System Requirements:


  • Windows 7 or later
  • Intel Pentium 4 / AMD Athlon 64 processor or later with support for SSE2


  • OS X El Capitan 10.11 or later


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

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2 Comments on Opera 84.0.4302.0 Developer Edition

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    Don't rush with this update, as the latest one is already 72.0.3815.207

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    for those without a brain- this is chrome in a new suit