The Chrome 42 release includes several new developer features, such as push notifications, app install banners and more. For further information check the following link:
Please note that as of Chrome version 42, NPAPI is disabled by default and must be re-enabled explicitly. Google intends to remove support entirely in version 45, due later in 2015.
SAP NetWeaver Test Center has been testing Chrome 42 on desktop in combinations with NetWeaver versions 7.02, 7.30, 7.31 and 7.40.
For restrictions and limitations, please refer to Chrome general note 1655306.