The last few releases have been developed with the WordPress 5.9 betas and release candidates as well as PHP 8.1.
Here's the latest changelog:
( 34 ) 2022.01.23 - January 23, 2022
Updated Redux Framework and init files
Changed Login Widget to show reaction score rather than Likes
Rewrote the checkbox meta box to a class
Replace global $post_id with get_queried_object_id()
Login widget profile link corrected to member