Feature: IOUIssuerWeakTSH
Ensure that Currency Issuers have their hooks executed in third party transactions that touch or mention their currency, if they have opted into weak execution.
Feature: DeepFreeze
This is a ported feature from the XRPL. See here for details.
Feature: Clawback
This is a ported feature from the XRPL. See here for details.
Fix: ProvisionalDoubleThreading
Ensure the correct PreviousTxnID and PreviousTxnLgrSeq are correctly populated in provisional metadata (for again as week Hooks) and after.
Other
A patch was added to the reference implementation of the governance game to ensure votes from deposed members are correctly cleaned up. This updated Hook still has to be voted in by the existing governance game to be live.