Firefox 39 Rapid Release Cycle (RRC) will be released on June, 30th.
According to the release notes the browser has advanced security features and some performance improvements (for NPAPI Plug-in, dashed lines, etc.).
For more details about the new changes, read the release notes for Firefox 39 (beta). It will be available for download from http://www.mozilla.org/en-US/firefox/all/.
Mozilla Firefox 39 RRC (beta) has been successfully tested with NetWeaver versions 740 SP12, 731 SP16, 730 SP13, 711 SP13, 702 SP17, 701 SP16 on operating systems Win 7 64-bit, Win 7 32-bit, Win 8 64-bit (desktop), Win 8 32-bit (desktop),Win 8.1 64-bit, Mac and Linux in the areas of NW - PLS, WD ABAP, WD JAVA, NWBC, ACF, BI, UI5, FPM , Web CUIF, EP, Adobe, BPM; Fiori – FLP on ABAP.
As usual, for further details and SAP restrictions see: SAP Product Availability Matrix (PAM): https://apps.support.sap.com/sap/support/pam.
Firefox browser note: https://service.sap.com/sap/support/notes/990034
