Solution : https://service.sap.com/sap/support/notes/1647627 (SAP Service marketplace login required)
Key words :
firefox- portal theme update- tabstrip flickers, correction requires note 1647624 abap renderer part, web dynpro abap rendering, abap renderer part, rendering enterprise portal, web dynpro abap, ur mimes part, 0- source code line, menu page scrolls, light speed reason
Related Notes :
| 1643770 | After clicking on menu page scrolls to top |
| 1641770 | Focus lost in SuggestBox control under Firefox |