Ummmmm... You left quite bit out!
DW gets RPM boost ratio decrease in addition to above
Oak P2 gets RPM boost ratio decrease in addition to above
BR01 gets redefined values
Riley DP gets RPM boost ratio decrease
Dinan DP gets +2mm air restrictor + 2 liter fuel break
Lola Mazda gets RPM boost ratio decrease + 8 liter fuel break + redefined values from last year
BMW GTE gets RPM boost ratio decrease + 10mm larger gurney + 9 liter fuel break + redefined values from last year
Corvette C7.R gets 6 liter fuel break in addition to above + redefined values from last year
Ferrari 488 GTE gets RPM boost decrease + redefined values from last year
Ford GTE gets RPM boost decrease + 3 liter fuel break + redefined values from last year
Porsche 991 GTE gets RPM boost decrease + 6 liter fuel break + redefined values from last year
And as you said million changes in GT3 (+ fiddling in LMPC) I can't bother to add
REAL RACING 