According to theTerra (LUNA) team, a soft fork will be activated on block height 5,701,000, estimated on Dec16th, 14:50 UTC. This is a security update. Gate.io supports this upgrade and will suspend LUNA deposits and withdrawals during the process. LUNA trading will not be affected. Deposits and withdrawals will be resumed as soon as possible after this upgrade. Thank you for your understanding and continued support.
Learn more:
https://github.com/terra-money/core/issues/627