did I miss something in one of the recent VBD updates where the auction value of PKs and DTs changed to the minimum bid amount?

1) I just ran G1 version of the VBD and all of my DTs and PKs are set to the min. Even though TBB have 20 VBD points putting them 57th on the overall list.

2) While looking into the numbers it seems that the baseline for DTs and PKs may also have been adjusted(?). The baseline is now the 3rd DT. Leaving the last starting DT at a -72vbd. How can TBB at #1 and OAK at #12 be the same value in an auction league?

3) For PKs the gap is much smaller, but it is nearly the same situation with the Baseline at #3. #1 has 4 vbd, while #12 has -14vbd. And again they have the same Auction value.

Any reason for this?

Defenses and Place Kickers are devalued on purpose. The general rule of thumb is to wait until about 8 Defenses are gone, and then grab one. Same applies for kickers.