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Opera 78.0.4086.0 Developer Edition

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Opera 78.0.4086.0 Developer Edition

Opera 78 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 78 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 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 78 also has the advanced functions such as Opera Mail program. It is the lightweight, customizable mail client that refines your email experience.

Opera 78 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 78.0.4086.0 Developer Edition:

  • DNA-91070 Update the Tutorials icon in Sidebar
  • DNA-92604 Update System information field
  • DNA-93101 Tabs are being snoozed when tab snoozing is disabled
  • DNA-93275 Implement cycles size according to design
  • DNA-93296 Opera 77 translations
  • DNA-93306 Seek bar in PiP-based player on is broken
  • DNA-93404 Crash in test when destroying BABE’s webcontents
  • DNA-93469 Create richHintsPrivateApi sub-events to send to specific hint IDs
  • DNA-93545 [Mac] Opera should be killed while system shutdown
  • DNA-93565 Crash at content::WebContentsObserver::WebContentsObserver
  • DNA-93584 Change baidu search string for Oupeng edition
  • DNA-93617 Crash at opera::ZoomButtonView::ZoomButtonView(BrowserWindow*, Browser*, opera::ZoomUIController*, opera::ZoomUIModel*, views::View*)
  • DNA-93634 Fix errors in Slovak translations
  • DNA-93637 ctrl+9 shortcut is inconsistent with other browsers
  • DNA-93644 Create route for `import open tabs` to `pinboard`
  • DNA-93653 Pinned tabs collapse after closing the only non pinned tab
  • DNA-93656 Active cards in checkout Auto-fill
  • DNA-93657 Hover state on Bookmarks Bar is broken
  • DNA-93661 Add opauto test to cover new shortcut from DNA-93637
  • DNA-93665 Periodically empty bookmarks from trash
  • DNA-93702 Turn on flags on developer
  • DNA-93714 Enable rate_limit option in crashpad on OSX and Windows
  • DNA-93724 Some webstore extensions are not verified properly
  • DNA-93737 [Pinboard] Remove Mock API
  • DNA-93745 Unable to open the popup after opening it several times
  • DNA-93776 Popup closes and reopens when clicking the toolbar button
  • DNA-93784 DCHECK after searching for “test”
  • DNA-93786 DCHECK after opening popup
  • DNA-93805 Create snap packages in buildsign
  • DNA-93823 archive_opera_snap failures on Linux

Changes in Opera 78.0.4072.0 Developer Edition:

  • DNA-92344 Windows 10 Implementation
  • DNA-92385 [Win] Make the emoji dialog accept multiple consecutive emojis
  • DNA-92388 Fix and unskip WorkspacesEmoji.testChooseEmojiAsWorkspaceIcon when possible
  • DNA-92486 Replace ⓧ icon with “settings” icon
  • DNA-92487 Close individual item
  • DNA-92496 Create separate entry in settings for BABE
  • DNA-93115 New tab icon moves on tabs when lots of tabs are pinned
  • DNA-93260 One more tab of Google Meets opens if Opera were quit with popup enabled
  • DNA-93286 [BigSur] YT not being reloaded when opened from link
  • DNA-93358 The red underline extends beyond the Google meets conference tab outline
  • DNA-93372 Build new edition for Axel Springer
  • DNA-93454 Provide instruction to upload histogram_descriptions_bq JSON and deliver the python script.
  • DNA-93491 Fix failing tests after enabling #pinboard flag
  • DNA-93503 Blank popup on clicking toolbar icon with popup open
  • DNA-93508 Make op-format run under python 3
  • DNA-93509 Add Opera switch for pinboard staging backend and use it for tests
  • DNA-93519 [Sidebar] WhatsApp ‘Log out’ doesn’t work
  • DNA-93537 The ‘videoconferencing’ typed together on opera://settings
  • DNA-93546 Build error at feedback_popup_private.idl(44)
  • DNA-93561 Do not allow zoom different from 100% in Pinboard popup
  • DNA-93575 Rename ffmpeg_use_atomics_fallback to ffmpeg_use_unsafe_atomics

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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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