s2Member v250905 (Framework and Pro) was released on September 5th, 2025.
Unified Changelog for s2Member & s2Member Pro v250905
(Framework) Security: Improve handling of registration fields in multisite.
(Framework & Pro) UI: Add a Help panel with contact form to all admin pages.
Upgrading to the Latest Version
You should get a notification about the update in your admin. WP Admin > Plugins
You can also download the zip file from your Account page, and upload it. WP Admin > Plugins > Add New > Upload