Background The Timely Vote Credits (TVC) feature is activated in two stages by two separate features: 7axKe5BTYBDD87ftzWbk5DfzWMGyRvqmWTduuo22Yaqy: enables in-place modification of vote accounts to expand their size and make available room for recording vote latencies 2oXpeh141pPZCTCFHBsvCwG2BtaHZZAtrVhwaxSy6brS: enables the use of the space made available in the prior change to allow validators to track the latency of votes and then assign vote credits to votes based on this latency information These features are activated in sequence and in the order presented above. The first feature has already been activated on testnet, and demonstrated that it causes no cluster disruption and has the expected and intended effect of upgrading vote accounts. The second feature has not been activated on testnet.