Chrome 49 beta release includes support of CSS custom properties, a new Background Sync API that improves networking reliability and improved ECMAScript 2015 support. For further information check the following link: http://blog.chromium.org/2016/02/chrome-49-beta-css-custom-properties.html
SAP NetWeaver Test Center has been testing Chrome 49 on desktop with NetWeaver versions 7.02, 7.30, 7.31 and 7.40.
Suite Test Engineering has also executed central qualification tests for Chrome 49. The tests were performed on NW 7.31 SP14 BS7i2013 on MAC 10.10, Windows 7, Windows 8.1 and Windows 10.
For restrictions and limitations, please see Chrome general note 1655306.