Currenty, Webflow's localization add-on autogenerates on-page hreflang tags within every page's <head> tags - and there is no way to turn them off if you want to add your own via custom code.
This causes a conflict and can be damaging to the technical SEO of sites which require different hreflang tags to the one Webflow forces onto all localized pages.
I agree. Should be possible to take down autogenerates hreflang