I can’t personally answer that as it’s obviously down to the Buddypress development team(!) but as mentioned above, the fix which can be found here – https://buddypress.trac.wordpress.org/attachment/ticket/7674/7674.01.patch works perfectly well in the meantime…
Boone Gorges replied to the topic Select2 issue with BuddyPress Xprofile Custom Fields Type in the forum Third Party Plugins 2 years, 4 months ago
Thanks for following up, @pandraka!
@pandraka active 1 month, 3 weeks ago