Saw this notification which may be useful for some.
New parameters in tm1s.cfg
MDXSelectCalculatedMemberInputs (10.2.2.4)
SpreadErrorInTIDiscardsAllChanges (10.2.2.3)
New parameters in tm1web_config.xml
ActionButtonFullRecalculationEnabled (10.2.2.4)
MixedCellPaste (10.2.2.3)
New parameters in tm1p.ini
DisableAdminHostEntry (10.2.2.4)
The article also has some useful short-cuts for 10.2.2 FP3 reference:
Parameters in TM1S.CFG
Cognos TM1 Web parameters
Parameters in the TM1P.INI file