The swashbucklers feat that makes it +2 rather than +1 when you use the raise shield action does not have any effect on the characters. when you equip the buckler it still shows up as if its a +1 even with the feat.
Thanks for reporting this. We’ll take a look!
Update from the team: I’ve been told we have a fix for this to show correctly now, which I suspect will go out in our next batch of updates. 
you guys are awesome, I am excited to see where this project is going
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