It is a part of the consensus layer. The btcd bug happened because they were checking a segwit v0 rule against all txs at the network layer when they shouldn't have been

benthecarman

The problem was the bug was in the networking code not the consensus layer code.

Oh, didn't know that the taproot implementation is not part of the consensus layer.

bitcoin

How do devs decide who should have commit access?

> The problem was the bug was in the networking code not the consensus layer code.

Oh, didn't know that the taproot implementation is not part of the consensus layer.

Thanks for clarifying!