what version of TWRP do I need to be on to flash MM?

I am currently on LP with TWRP 2.8. I have received the Vulcan OTA but not installed yet. Can I flash it in 2.8 or do I need to install TWRP 3.0 first? If I make a backup, can I revert back or would i need to switch recoveries again as well? Thanks.

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