这是一个开发版，不推荐普通用户使用，仅供测试。此版本存在着很多已知问题，可能会造成崩溃或者数据丢失，甚至无法正常使用。请勿覆盖之前的版本，并在备 份数据后安装使用。开发版更新会比较频繁，新版都会修复一些 bug 和安全问题，如果您希望测试开发版，请注意保持更新。
更新列表：
 
Desktop/cross-platform
DSK-285118 Tab chrome is missing for restored tab when new tab is opened in background
DSK-319143 Opera crashes when closing certificate dialog
DSK-319515 Selecting Start with Speed Dial in crash dialog after crash on exit, opera:config#UserPrefs|StartupType is set to 4
DSK-317769 Chinese fonts on en_US locale is wrongly rendered
DSK-312495 Mouse thumb buttons for back/forward history navigation not working
DSK-320940 Underline when hovering placed at wrong position in bookmark panel
DSK-320554 "Go to Page" dialog does not honor Speed Dial shortcuts
DSK-321099 Default fonts for "unknown" language has mixed up monospace and cursive
DSK-321635 Autoupdate can start two instances of Opera
DSK-321609 Address field skin tweaks
DSK-318613 Add Speed Dial badge
DSK-321891 Selection in address field doesn't start from where you click
DSK-321725 OK/Cancel buttons missing in an enlarged save dialog
DSK-311558 Crash after leaving a page with a flash with wmode="transparent"

Tab stacking
No automatic stacking
Improvements to dragging tabs in and out of stacks
Only the active tab in collapsed stacks are part of the tab order
Fixed various tab order bugs
Various other fixes and tweaks

Extensions
DSK-320806 Extension manager not keyboard navigable
DSK-315918 Not possible to scroll extension manager when cursor is hovering over disabled extension entry
DSK-321138 JS alert on extensions preferences doesn't show extension title
DSK-321943 Update of running extension does not respect the privacy settings and applies default ones (default for update = disallow everything)
DSK-321659 Support for multi line in update notification

Core
CORE-34390 Content-Type header erased from plug-in upload requests
CORE-34799 Keyboard input related crash
CORE-35048 TLS version status for servers not saved on shutdown
CORE-27718 Cache related memory fix
CORE-34004 Improve reliability of aborting pre-flight XHR requests

Windows installer
DSK-315474 Error dialog and empty locked screen dialog when trying to upgrade Opera while in use by another Windows user
DSK-320922 Text in "Install for" help bubble is cut off at the bottom
DSK-315407 Not all running widgets are closed during upgrade
DSK-320724 New installer no longer notices that widgets are running when upgrading
DSK-318966 More space needed for localized strings in new installer
DSK-316264 No Locked File window (and error message) when trying to upgrade Opera when files in the installation folder are locked by other programs on Windows Vista
DSK-314657 Change name of international installer from "in" to "int"

Linux/FreeBSD
DSK-321500 Unix PGO fixes
DSK-321082 Wrong typeface picked when choosing default fonts from collections
DSK-321571 Crash possibly related to Geolocation
DSK-321240 Improvement to DSK-316550 (ATOK automatically turns off)
 
下载链接：Windows | Macintosh | Unix