"Firefox 52" official version is released, correspondence with WebAssembly started, security function improved

ByAnders Nicolaysen

The official version of Firefox 52 has been released. Firefox 52 realizes high performance web "WebAssemblySupport began,Firefox SyncNow you can send tabs from one terminal to another and open it. Also, in addition to implementing the "Strict Secure Cookies" specification which prohibits setting of "secure" attribute by unsafe HTTP site, security aspects are improved, warning on unsafe HTTP page including login form Has been added. On the other hand, the problem of Google Hangouts not working remains unresolved.

Download Firefox - free web browser - Mozilla
https://www.mozilla.org/ja/firefox/new/

Firefox 52.0 Release Notes
https://www.mozilla.jp/firefox/52.0/releasenotes/

Firefox for iOS - Mobile browsers for mobile on iPhone, iPad and iPod touch - Mozilla
https://www.mozilla.org/ja/firefox/ios/

Firefox for Android - Mobile web browser - Flexible customization and privacy-oriented browser - Mozilla
https://www.mozilla.org/ja/firefox/android/

◆ Desktop version download
· Windows version
https://download.mozilla.org/?product=firefox-52.0&os=win&lang=ja

· Mac OS X version
https://download.mozilla.org/?product=firefox-52.0&os=osx&lang=ja-JP-mac

· Linux version
https://download.mozilla.org/?product=firefox-52.0&os=linux&lang=ja

◆ Changes in Firefox 52 Desktop Edition

○ New functions
· Added correspondence to WebAssembly. This is a new standard technology that brings near-native performance to web-based games, applications, and software libraries without using plug-ins.
· Added automatic detection of captive portal to make it easy to connect to Wi-Fi access point. If you need to connect to the Internet through authentication at the captive portal, Firefox will display a message on the new tab to open the portal login page.
· Implemented the Strict Secure Cookies specification which prohibits setting of "secure" attribute cookie by unsafe HTTP site. In some cases it is also prohibited to set an insecure site with a cookie with the same name as an existing "secure" cookie issued from the same base domain.
·Inexecutable HTTP page including login formAdded warning on. If you select a user name or password entry field on a page that does not use HTTPS, the message "This connection is not secure" is displayed.
· We have activated Firefox's multi-process on Windows PC with touch screen.
- I made it possible to open tabs by sending tabs from one terminal to another using Firefox Sync.

Correction point
·Several security issuesFixed.
· On Windows, we improved the correspondence to the character input using the third party keyboard layout as follows.
Keyboard layout with cascading modifier keys
Input of two or more characters by successive print key or modifier key
Character input when character can not be constructed with consecutive modifier keys

○ Changes
· The Netscape Plugin API (NPAPI) support of plug-ins other than Flash has been abolished. Silverlight, Java, Acrobat, etc. will be unusable.
· Improve download experience related user experience as follows.
Display notification on toolbar if download fails
Quick access to recent download items changed from 3 to 5
Increase size of cancel and resume button
- Battery Status API has been deleted to reduce the user's fingerprinting elements by trackers.
· If Direct2D is not used for rendering content on Windows, use Skia instead.
·On Windows XP and Windows VistaMoved Firefox users to extended support version (ESR).
·Mozilla's CA certificate programIf you encounter an SHA-1 certificate with the root certificate as the highest ranking included in "Unreliable connection(This can not be ignored by the user and can not be connected). However, SHA-1 certificates with the top root of the manually imported root certificate will continue to be accepted. For more informationMozilla Security Team SHA-1 Obsolete PlanPlease refer to.

○ Developer
·CSS grid layoutHas been activated. This opens the door to new possibilities in graphic design.
·Screen sharing securityWe have enhanced the preview display and abolished the domain whitelist.
·Responsive design modeWe redesigned, added functions such as selection of various terminals and network restriction.

○ Unresolved
·Google Hangouts is temporarily out of action.

The next version of Firefox 53 will be released on April 18, 2017.

◆ March 8, 2017 13:00 Postscript:
Follow the procedure below to "use Firefox Sync to send a tab from one terminal to another and open it". First, log in to your desktop version of Firefox with your Firefox account, select "Sync tab" from the menu.


Click "Sync Now"


Next, login to Firefox for Android with your Firefox account, tap "Settings" from the menu.


Tap on your Firefox account name.


Tap "Sync now".


Right-click on the tab of the desktop version, "Send tabs to terminal" appears on the menu, so select the name of Firefox for Android version. In this case "Firefox on Pixel"


Then Android displays the following notification, and when you tap it, the URL is displayed on the tab.


Also, regarding "Add warning on unsafe HTTP page including login form", the sentence "This connection is not secure, there is a possibility that the login information entered here may be leaked" was displayed .


And, if the download of the file fails, the yellow dot will be displayed at the upper right of the download icon on the menu bar.