I don't know this for sure and don't know how or where to get it but I've read that people are shimming the v3 banshees and using 30.9 posts. Getting an extra inch or so of insertion for the 210 droppers. That's what the internet told me anyways. Might be worth a look.
Joined March 15, 2021
Commented on The SQLab 60X Saddle, Steep Seat Tube Angles, & The Banshee Titan - 1 week, 5 days ago
I don't know this for sure and ...