FTX will support the Arbitrum network upgrade* The Arbitrum network upgrade will take place on August 31, 2022 at 14:30 (UTC), and the process is expected to take 2-4 hours.
* Arbitrum ETH deposits and withdrawals will be halted on August 31, 2022 at 13:30 (UTC).
* Trading of ETH on FTX will not be affected.
* FTX will monitor the state of the network following the upgrade and reopen deposits and withdrawals for Arbitrum ETH once the upgrade is complete.
Details: https://help.ftx.com/hc/en-us/articles/8910402236052