Opera 42.0.2393.137:

- Notification setting icon doesn’t open notification exceptions settings.
- Firewall prompt triggered on start with media-router flag enabled.
- Not possible to set 64 bit Opera the default browser, Win10.
- Unsorted Bookmarks are not visible.
- Unreported installer error when trying to install x64ver in other location that already installed x32ver.
- Add installer architecture *stats*.
- Update 360 build with preinstalled extension.

Opera 42.0.2393.85:

- Built-in currency converter.
- Even smarter and faster startup.
- Easy to add news feeds from websites.

Opera 40.0.2308.81:

- Chromium has been updated to the 53.0.2785.116 version.
- Fixed bugs.

Opera 40.0.2308.62:

- Fixed Bugs.

Opera 40.0.2308.54:

- Using the free VPN in Opera.
- Automatic battery saving.
- Chromecast support.
- Video pop-out improvements.
- Newsreader with RSS support.
- Updated browser engine.

Opera 39.0.2256.71:

- Chromium is updated to version 52.0.2743.116.

Opera 38.0.2220.31:

- Fixed Bugs.

Opera 38.0.2220.29:

- Battery saver.
- Ad blocker – add your own lists.
- Speed Dial improvements.
- Add your own photo as theme.
- Extension button visible in the Speed Dial side panel.

Opera 37.0.2178.54:

- Fixed Bugs.

Opera 37.0.2178.43:

- Built-in ad blocker makes webpages load faster.
- Video pop out displays video in a floating frame, always on top.
- Updated support for the latest Chromium/Blink release, version 50.
- Stability enhancements and bug fixes.

Opera 37.0.2178.32:

- Built-in ad blocker makes webpages load faster.
- Video pop out displays video in a floating frame, always on top.
- Updated support for the latest Chromium/Blink release, version 50.
- Stability enhancements and bug fixes.

Opera 35.0.2066.92 / 12.18:

- Fixed Bugs.

Opera 35.0.2066.68 / 12.17:

- Windows size is retained after autoupdate.
- The Chromium version has been updated to 48.0.2564.109.

Opera 35.0.2066.37 / 12.17:

- We collected the most used browser settings into a basic section in the settings page. Quickly manage startup behavior, the default download location, cookies and pick your theme.
- Mute tabs that are playing sound directly on the tab bar. Hover over a tab and press the mute button to silence it.
- Opera now warns you about active downloads when exiting the app.
- An improved bookmark manager now removes duplicates that may be created when syncing bookmarks between devices.
- Separate search bar available in advanced settings.
- Updated support for the latest Chromium/Blink release, version 48.
- Stability enhancements and bug fixes.

Opera 34.0.2036.50 / 12.17:

- Updated support for the latest Chromium/Blink release, version 47.
- Stability enhancements and bug fixes.

Opera 34.0.2036.47 / 12.17:

- “Mute tab” in context menu, despite flag being disabled by default in O34.
- Turbo badge similar to history badge.
- Fixed bugs.

Opera 34.0.2036.25 / 12.17:

- The Discover feature is now the news feed. We changed the name to make the feature more intuitive and accessible.
- Opera supports MSE audio (audio/mpeg and audio/aac mimetypes), enabling playback from Google Play Music and similar services.
- Improved downloads by adding some new functionality. For example, you can cancel a download directly from the pop-out and resume a download if it was interrupted by Opera closing.
- Updated support for the latest Chromium/Blink release, version 47.
- Stability enhancements and bug fixes.

Opera 33.0.1990.115 / 12.17:

- Fixed Bugs.

Opera 33.0.1990.58 / 12.17:

- NativeThemeAlt for Win10 – WP8.
- Icons and text labels are not aligned with the background.
- Browser back key navigates two entries back instead of one.
- New tab button too close to Tab menu.
- White tile on Windows 8.x and up.
- Enable #submodule-native-theme-alt on all streams.

Opera 33.0.1990.43 / 12.17:

- Opera Turbo includes Turbo 2 compression, bringing you more site compatibility when speeding up networks and more speed when watching videos online.
- Web Audio API now supports proprietary codecs. Opera also now warns you if a site wants exclusive access to your MIDI devices.
- Set which sites handle specific link types with the handlers section of your browser settings.
- Updated support for the latest Chromium/Blink release, version 46.
- Stability enhancements and bug fixes.

Opera 32.0.1948.69 / 12.17:

- Update Chromium on desktop-stable-45-1948 to 45.0.2454.93.
- Opera crashes when downloading file when “nynorsk” is set as language.
- Tab preview doesn’t work if page is scrolled.
- Opera crashes after adding youtube url to bookmarks.
- Crash when renaming SD folder created in Bookmarks Manager.
- Using Shift + Del inside Trash folder crashes renderer.
- [Discover] Endless fetching loop on scarce categories.

Opera 32.0.1948.25 / 12.17:

- Spice up your Speed Dial with animated themes.
- Sync your passwords between computers and better manage what data you sync with advanced settings.
- Bookmark pages more easily with an improved heart menu and better find and organize your bookmarks with a new tree view in the bookmark manager.
- Updated support for the latest Chromium/Blink release, version 45.
- Enhanced support for Chromium desktop capture API.
- Stability enhancements and bug fixes.

Opera 31.0.1889.174 / 12.17:

- Fixed Bugs.

Opera 31.0.1889.99 / 12.17:

- Widevine DRM support allows copy-protected premium content to play from trusted sources.
- Sync your browsing history between devices.
- The Discover feature has been updated to look and feel like the bookmark manager.
- Improvements to speed up start up by decreasing access to files on the hard disk drive.
- Improvements to the network installer.
- Updated support for the latest Chromium/Blink release, version 44.
- Stability enhancements and bug fixes.

Opera 30.0.1835.125 / 12.17:

- Chromium was updated to version 43.0.2357.130.
- Fixed bugs.

Opera 30.0.1835.88 / 12.17:

- Fixed Bugs.

Opera 30.0.1835.59 / 12.17:

- Fixed Bugs.

Opera 30.0.1835.52 / 12.17:

- Switch between tabs faster.
- Customize even more with sidebar extensions.
- Restore bookmarks or delete them permanently with the trash folder.

Opera 29.0.1795.60 / 12.17:

- Update to chromium 42.0.2311.152.

Opera 28.0.1750.51 / 12.17:

- Chromium updated to 41.0.2272.118.
- DNA-32792 Crash on initiation HiDPI.
- DNA-34073 [Linux] HiDpi detection does not work.

Opera 28.0.1750.48 / 12.17:

- Chromium updated to 41.0.2272.89.
- DNA-34267 Search suggestions are blue instead of black in the address dropdown.
- DNA-34472 Cutting twice (ctrl+x) with select all kills bookmarks manager.
- DNA-35584 [Win] Horizontal line/graphical glitch on OMenu at 150% DPI setting.

Opera 28.0.1750.40 / 12.17:

- Allows you to sync bookmarks across computers, phones and tablets.
- Incorporated bookmarks into the search suggestions in the combined search and address bar.
- Last, but not least, we’ve updated a bundled themes selection, to give you a fresh look for your start page.

Opera 27.0.1689.69 / 12.17:

- DNA-33163 Add more debugging info to windows target process shutdown.
- Update chromium to 40.0.2214.111.

Opera 25.0.1614.71 / 12.17:

- Fixed Bugs.

Opera 25.0.1614.68 / 12.17:

- Fixed Bugs.

Opera 25.0.1614.63 / 12.17:

- Fixed Bugs.

Opera 25.0.1614.50 / 12.17:

- A bookmark manager.
- Web notifications let developers deliver native alerts or status information to their users.
- A PDF viewer displays documents directly in the webview.
- An experimental start page is available for testing.
- Updates to the latest Chromium/Blink release, version 37.
- Stability enhancements.
- Enhanced support for Chromium extensions.
- Memory and loading improvements for the start page.
- Fixes and enhancements for how Opera handles HiDPI video and MP3 audio.
- Enhancement for the Opera tile icon on Windows 8.
- Visual bookmarks.
- File constructor.

8.4.0 Build 2650:

- Added RADIUS server for user authentication and WPA2 Enterprise WiFi security.
- Added HTTPS filtering feature.
- Added Guest interface group.
- Traffic rules now works also for IPv6 traffic.
- Statistics web interface is now responsive for optimal viewing experience on mobile devices.
- VLAN are now imported from configuration backup.
- Added support for WebSockets using HTTP Upgrade header.
- Interface and system statistics charts are persistent across restarts.
- Hostname condition now uses internal DNS cache and match also subdomains.
- Added ability to specify syslog port, facility and application.
- It is possible to view built-in certificates and import certificates without private key.
- Fixed: IPsec tunnel re-authentication with Cisco ASA.
- Improved Reverse HTTP proxy compatibility with HTTP Location header redirects.
- Improved FTP bounce attack protection.
- Passwords are now always stored in MS-CHAP v2 compatible format for Local users.

Opera 24.0.1558.64 / 12.17:

- Fixed Bugs.

Opera 24.0.1558.61 / 12.17:

- CHR-3130 Update chromium on desktop-stable-37-1558 to 37.0.1558.120.
- DNA-23206 Unable to print from PDF documents.
- DNA-23443 [Win8] Temporary shortcut is created regardless of whether the notifications flag is on.

Opera 23.0.1522.75 / 12.17:

- Fixed Bugs.

Opera 23.0.1522.72 / 12.17:

- Fixed Bugs.

Opera 23.0.1522.60 / 12.17:

- Add or remove currently viewed pages to Speed Dial, Stash, or the bookmarks bar from a single place on the combined search and address bar.
- Includes updates to the latest Chromium/Blink release, version 36.
- Search boxes have been added to all WebUIs.
- New user-interface element added for allowing blocked content in a secure session.
- Stability enhancements.
- Enhanced support for Chromium extensions.
- Fixes and enhancements for how Opera handles plugins.

Opera 22.0.1471.70 / 12.17:

- Update chromium on stable-35-1471 to 1916.153.
- Fixed bugs.

Opera 22.0.1471.50 / 12.17:

- Fixed Bugs.

Opera 21.0.1432.67 / 12.17:

- Fixed Bugs.

Opera 21.0.1432.57 / 12.17:

- Updated Chromium to 1847.76 for even better site compatibility.
- Opera will now scale with screens that use 200% DPI setting in Windows.
- Off-Road mode (Opera Turbo) is explained when it is enabled.
- Opera for Windows 21 has enhanced its user interface by deploying Aura, Google's new UI framework.
- Opera for Windows 21 now uses a network installer.
- One-click install functionality for extensions.
- Stability enhancements.
- Enhanced support for Chromium extensions.
- Complete URLs - Make Opera display a site's full URL at all times in the browser's advanced settings.
- New security badge - Opera now displays a broken padlock for secure sites that have invalid security certificates.
- Also includes all the changes featured in the previous beta versions.

Opera 20.0.1387.91 / 12.17:

- Fixed Bugs.

Opera 20.0.1387.91:

- Fixed Bugs.

Opera 20.0.1387.82:

- Update chromium to 1750.154.
- DNA-17823 Fix invalid dereference in autofill code.

Opera 20.0.1387.77:

- Update Chromium to 1750.149.
- Fixed Bugs.

Opera 19.0.1326.56:

- Fixed Bugs.

Opera 19.0.1326.47:

- Organize your links and get quick access to site with bookmarks.
- Customize the look of your browser by creating your own themes.
- Manage the browser further by enabling advanced settings.

Opera 18.0.1284.68:

- Chromium Update.
- Several important crash fixes.

Opera 18.0.1284.63:

- Fixed Bugs.

Opera 18.0.1284.49:

- Camera and microphone access lets you control how you broadcast online.
- Install and manage themes found on addons.opera.com.
- Quickly add custom search engines to your combined search and address bar.
- Drag tabs between windows.
- Navigate forward and backward with your mouse using rocker gestures.
- Change the browser language from the Settings page.

Opera 17.0.1241.53:

- Fixed Bugs.

Opera 17.0.1241.45:

- Pinned tabs. Allows you to pin tabs on the tab bar. This can help prevent you from closing tabs accidentally.
- Custom search. In addition to Opera's defaults, you can add custom search engines to your combined search and address bar.
- Stability enhancements.
- New startup behavior options.
- Includes updates to the latest Chromium release, version 30.
- Fixes and stability enhancements.

Opera 16.0.1196.80:

- Update chromium to 1547.76.
- Migration of passwords broke password manager after intake.
- Fix for Opera startup crash on OS X 10.6.

Opera 16.0.1196.73:

- Fixed Bugs.

Opera 16.0.1196.62:

- Autofill. Opera 16 allows you to securely store your addresses, phone numbers, email addresses and credit cards for use online. Commonly used forms can be filled out automatically and save you time when shopping online or signing up for mailing lists.
- Geolocation. Opera 16 lets you choose to share your location information with websites that request it. Location sharing can help websites provide you with localized services, such as coupons to local businesses or movie times for your area.
- Stability enhancements.
- Expanded keyboard shortcuts.
- Task bar and start menu integration for Windows 7 and 8.
- Opera 16 includes updates to the latest Chromium release, version 29.
- Fixes and stability enhancements.

Opera 15.0.1147.153:

- Chromium update with some security and stability fixes.

Opera 15.0.1147.148:

- Chromium was updated to 1500.72, so a minor update to Opera 15 was published.
- It also fixes a minor issue in Opera installer, which deleted existing Opera shortcuts from desktop instead of changing them.

Opera 15.00:

- New rendering engine based on WebKit.
- New user interface.
- Improved site compatibility.
- Silent auto updates.
- Combined address and search bar.
- Enhanced Speed Dial.
- Stash - a feature that records the location, meta data, and a screenshot of a page.
- Discover. A recommender service is included with Opera 15.
- Off-Road mode. Adopts the server-side compression technology used by Opera Mobile.

Opera 12.14:

- Update addresses a re-occuring crash, allowing users to update two or more extensions at one time.

Opera 12.13:

- Performance improvement for the address field drop-down.
- New partner content.
- Stability improvements.
- Fixed bugs.

Opera 12.12:

- Several general fixes and stability improvements.
- Fixed several issues related to SPDY.
- Gmail: Fixed an issue that could cause Gmail not to load.
- Fixed an issue where HTTP response heap buffer overflow could allow execution of arbitrary code.
- Fixed an issue where error pages could be used to guess local file paths.

Opera 12.11:

- Several general fixes and stability improvements.
- Fixed several issues related to SPDY.
- Gmail: Fixed an issue that could cause Gmail not to load.
- Fixed an issue where HTTP response heap buffer overflow could allow execution of arbitrary code.
- Fixed an issue where error pages could be used to guess local file paths.

Opera 12.10:

- We have added basic touch support for Opera in Windows 8 Classic, so you will be able to scroll, zoom and browse pages and elements easily.
- Several new and improved APIs are included in this version of Opera.
- Improved support for all high-resolution displays.
- Opera 12.10 will include changes in the Opera Presto 2.12 engine up to core-integration-point 388.
- Support for the SPDY ("Speedy") network standard is included in Opera 12.10.
-  CSS3 Gradients, Transitions, Animations, and Transforms: All members of these specifications are now available without the -o- prefix and have been updated to the latest published versions.
- To improve site compatibility and interoperability, Opera 12.10 also introduces aliasing for a selection of vendor-prefixed CSS properties.
- Fullscreen API support has been implemented and fully supports Draft 7 of the Fullscreen API specification.
- Basic support for the Page Visibility API specification has been added, including support for visible and hidden.
- Support for WebSockets has been updated in Opera 12.10 and is now enabled by default.
-  International Color Consortium profile support has been added, ensuring images look as the author intended.
- Network and Site-Specific - IPv6 support enhanced: RFC-3484 and RFC-6555 ("Happy Eyeballs") implemented.
- Fixes and Stability Enhancements.

Opera 12.02:

- Several general fixes and stability improvements.
- Resolved an issue with Speed Dial thumbnails when automatic scaling is enabled.
- The Windows 32-bit version has been reverted to in-process plugins while stability issues stemming from the out-of-process plugin system are investigated and resolved.
- Fixed an issue where truncated dialogs may be used to trick users.

Opera 12.01:

- Fixed Bugs.

Opera 12.00:

- Experimental hardware acceleration WebGL support.
- Hardware acceleration allows Opera to offload graphics rendering from the processor (CPU) to the graphics card (GPU), making graphics intensive operations such as animations faster.
- Faster than ever.
- Opera now runs plug-ins as a separate process, allowing for more control when a plug-in misbehaves.
- New, lightweight themes make it easier to customize the browser.
- Redesigned security badges.
- With Opera 12, your favorite sites can use your computer’s webcam to take photos from the browser.
- Opera will offer a more robust and powerful API for windows and tabs, allowing extensions to interact with tabs, create groups of tabs, or manage windows.
- Launching support for WebRTC, HTML5 Drag and Drop, CSS3 Animations and Transitions, Do-Not-Track and CSS Generated Content for Paged Media.
- 64-Bit Windows Versions.
- Opera Unite and Opera Widgets will be off by default in Opera 12.00, and will eventually be phased out of the Opera browser in the future.
- Fixed bugs.

Opera 11.64:

- Stability improvements.
- Fixed Bugs.

Opera 11.62:

- Fixed Bugs.

Opera 11.61:

- Fixed Bugs.

Opera 11.61:

- Fixed Bugs.

Opera 11.60:

- The user interface for Opera Mail has been redesigned..
- Opera 11.60 uses the Opera Presto 2.10 rendering engine (Presto/2.10.229).
- The star menu in the address field allows you to quickly bookmark a page or to create a Speed Dial entry.
- Fixed bugs.

Opera 11.52:

- Fixed Bugs.

Opera 11.51:

- Fixed Bugs.

Opera 11.50:

- Opera 11.50 uses the new Opera Presto 2.9 rendering engine (Presto/2.9.168).
- Improved user interface.
- Improved Opera Mail.
- Opera Link: Password synchronization.
- Speed Dial extensions.
- Many other additions, changes and corrections.

Opera 11.11:

- Fixed Bugs.

Opera 11.10:

- Updated graphics for Speed Dial and callout dialogs.
- Improved performance and resizability of internal pages.
- Improvements made to the Extension Manager design.
- Updated localization.
- Added partial support for the HTML5 File API.
- Added tab thumbnails with Windows native skin.
- Increased document cache from 200 to 300 MBs.
- Added the ability to associate Opera with .ogg files.
- Added new Windows installer graphics.
- Further improvements to thumbnail quality.
- Removed striped panel background and associated image.
- Added support for XLIST IMAP extension.
- Added support for SPECIAL-USE.
- Added support for a trash and spam IMAP folder.
- Many other additions, changes and corrections.

Opera 11.01:

- Translation updates added throughout the UI.
- Updated the HushMail mailproviders entry.
- Added MobileMe Mail-me.com to mail providers.
- Now possible to open the mail panel as a tab when only using feeds.
- The appearance of the signature editor.
- HTML replying and forwarding format.
- Other changes and corrections.

Opera 11.00.1156:

- Tab stacking. Dragging one tab over another allows you to create groups of tabs.
- Safer address field. The address field has been improved and now hides the complexity of long web addresses.
- Visual mouse gestures. Perform many common browser actions with a quick flick of your mouse.
- Extensions. It is simple to extend Opera's functionality by visiting our extensions catalog.
- Mail panel. When using Opera's built-in mail client, you now can now drag accounts and mail items where you want them.
- Other changes and corrections.

Opera 10.63:

- Security and stability enhancements.

Opera 10.62:

- Fixed bugs.

Opera 10.61:

- Fixed bugs.

Opera 10.60:

- Opera Presto 2.6 rendering engine.
- User-enabled geolocation services are provided through Google Location Services (GLS).
- Support is added for Offline Web Applications implementing the user interface for caching.
- Web Workers is an API for running scripts in the background independently of any user interface scripts.
- The WebM format consists of the VP8 video and Vorbis audio codecs wrapped inside a .webm container.
- Fixed bugs.

Opera 10.54:

- Fixed several security issues.