"Google Chrome 50" stable release, Windows XP and other support is terminated and notification function improved

The latest stable version of the web browser "Google Chrome" · version 50.0.2661.75 has been released. Twenty vulnerabilities have been fixed in terms of security, and Windows XP / Vista support has been discontinued from this version. Also, improvements to push notifications and declarative preloading are also supported.

Chrome Releases: Stable Channel Update
http://googlechromereleases.blogspot.jp/2016/04/stable-channel-update_13.html


Chromium Blog: Chrome 50 Beta: Push notification improvements and declarative preload
http://blog.chromium.org/2016/03/chrome-50-beta-push-notification.html

In 2015Support for Chrome's Windows XP, Vista, OS X 10.8 will be canceled in April 2016It was announced that it was. As previously announced, updates from Google Chrome 50 for Windows XP, Windows Vista, Mac OS X 10.6, 10.7, 10.8, 32-bit Linux, Ubuntu 12.04, Debian 7 have not been released. Due to security risks, we recommend that you upgrade to the above users.

In addition, Google Chrome 50 now includes content in the notification message from the server as a payload. Since it is no longer necessary to query the server for notification data, push notifications may not function well when the network is unstable until now, but the stability of processing will improve in the future. Since the payload of the push notification is encrypted, privacy is also protected.

In addition, it is now possible to edit the appearance and functions of notifications, such as setting operation buttons on the notification popup, specifying sounds and vibrations, and so on.


Support for declarative preloading is now being done, and page loading speed has improved. It is said that the display speed will be raised if the developer specifies the location of the resource beforehand on the page where resources were distributed to multiple places and it took time to read. In the following movies, the resource is designated on the left, the designation on the right is unspecified, and the difference in speed can be confirmed.

Side-by-side comparison using link rel = 'preload' - YouTube


Twenty vulnerabilities were fixed this time. Some of them are like this, of which 2 are in danger level "High", 5 are "Medium" and 1 are "Low". A bugfinder is paid a reward of 500 dollars (about 55,000 yen) to $ 7,500 (about 820,000 yen).