Hi,
the note #1457908 has a sentence:
Note that if you have used FRAMEWORK as a required SC in your SAP NetWeaver 7.0 or SAP NetWeaver 7.2 configuration, the new configuration should include both FRAMEWORK and FRAMEWORK-EXT SCs. These SCs are required because the HTMLB location was changed from FRAMEWORK to FRAMEWORK-EXT SC.
Is this what you were looking for ?
Cheers,
Ervin