2023-07-24 – version 4.0.0
* Feature – Manage the Mailchimp newsletter subscription from the “My Account” page.
* Tweak – MailPoet 2 provider has been marked as deprecated.
* Tweak – Added link to get support in the plugin list.
* Tweak – Open the documentation link in a new tab.
* Tweak – Tested compatibility with WP 6.3.
* Dev – Dropped deprecated plugin code on versions 3.x.
* Dev – Dropped `Campaign Monitor` API client.
* Dev – Dropped deprecated filter hook `wc_newsletter_subscription_checkout_content_location`.