I have proposed to add the Consent API to WP5.6 as the (long overdue) standard method for core, plugins, and themes to obtain consent for various privacy-related features. See also https://wptavern.com/proposal-to-add-a-consent-api-to-wordpress-feature-plugin-available

And the proposal for the wishlist: https://make.wordpress.org/core/2020/07/31/wordpress-5-6-whats-on-your-wishlist/#comment-39182