Option A is functionally identical to the tech structure in the new patch. I matched all the costs on all the teching paths. All the costs match.
The current Ostheer tech design currently has a redundant Battle Phase in it. I just reshuffled it to be between T2 and T3 instead of T3 and T4.
I just meant that the previous patches basically moved most of the cost from buildings to battle phases.
I assumed that you had a typo in proposal B:
T3 is currently written that it only costs 140 MP, although the total tech cost to T3 also says it would cost 55 FU, which would also go along with keeping T3 timing. This proposal would revert the intended change from end 2018 to allow for easier back teching into T3. I'm not saying that this is good or bad, just wanted to point it out.
EDIT:
I just figured out that at option B the costs are confusing.
For the box at T3, you wrote the building cost is 140 MP, but as I said the FU cost also goes up by 55 FU. You wrote this probably with the locked units until you tech BP3 in mind. However, you then again forgot to add the MP cost from BP3. So the total cost in the T3 box is now a mix. The MP cost represents the total cost up to the T3 building (without BP3), while the FU cost represents the total cost WITH BP3.