It will be as soon as the new consensus takes place, that is at round 20122111 on MainNet
You can check it using:
$ goal node status
Last committed block: 20027192
Time since last block: 0.6s
Sync Time: 0.0s
Last consensus protocol: https://github.com/algorandfoundation/specs/tree/85e6db1fdbdef00aa232c75199e10dc5fe9498f6
Next consensus protocol: https://github.com/algorandfoundation/specs/tree/d5ac876d7ede07367dbaa26e149aa42589aac1f7
Round for next consensus protocol: 20122111
Next consensus protocol supported: true
Last Catchpoint: 8580000#SK3P2KLCPBCK2UECFR3PMRGWKFEJDVLHZWJBYNOTXO2G3FJSXCSA
Genesis ID: mainnet-v1.0
Genesis hash: wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=