i use two versions v4.6.3 and v5.0 pre1(for developing) with the same Datas,
what i found that was two features:
1.the panel display on both versions normally before editing, once i edited on v5 that all panels will disappear on v4, otherwise that is normal.
2.the row feature is not in v5, this is extremely bad for cataloguing the dashboard which include so many panels, however, the rows exist before on v4 that can be displayed on v5 but no row options like height/size.
hope for your help, thanks a lot !