If you do end up tweaking the taxonomy field you could post a link to it here.
While Elliot probably wont just include it in ACF it may speed up the process for him to add the same functionality to core.
Have a good one
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We demoed ACF 6.1 Beta during the most recent session of ACF Chat Fridays, highlighting the new ability to regenerate and clear labels, setting the Admin Menu Parent as a slug, and more. Catch the video replay in our latest summary. https://t.co/rHEpPVas64pic.twitter.com/hB1XKTexXi