That is the standard now and it was just changed.

Here is the curricula for both upgrade to same and different aircraft.

Upgrade curricula - different aircraft

Two weeks ground: (expect not the entire two weeks)
2 days gen subs
3 days of differences
2 days of leadership training

Stimulator portion:
2 PT
2 MT
1 MV
3 LOS
1 LOE
OE

Upgrade curricula - same aircraft

Two weeks ground: (expect not the entire two weeks)
2 days gen subs
2 days systems ground
2 days of leadership training

Stimulator portion:
1 PT
2 MT
1 MV
3 LOS
1 LOE
OE