SimplyBook.me – Booking and reservations calendar

3.3.1 – 2026-05-19

Changed: Tested up to version to WordPress 7.0.

Changed: PHP Mess Detector is now used in development, improving code style.

Fixed: Admin notices can now trigger reliably after x-period has passed.

Fixed: Background retries now correctly allow up to 3 attempts, improving onboarding.

Fixed: Endpoint classes are now conditionally loaded in a reliable way.

Fixed: Styled Gutenberg block dropdowns in proper dimensions.

3.3.0 – 2026-02-16

Fixed: Message “form contains errors” briefly flashed in settings.

Fixed: Direct SimplyBook.me links now work with plain permalinks.

Fixed: REST API validation is now more reliable.

Fixed: Issue preventing some users from creating Services or Service Providers.

Fixed: Rendering issue when no name was provided for a Service (Provider).

Added: Login now supports custom SimplyBook.me domains.

Added: E-mail 2FA is now supported during log-in.

Changed: Onboarding flow is shortened.

Changed: Renamed button “Edit all properties” to “Advanced settings” for better clarity.

3.2.4 – 2025-12-17

Fixed: API response codes now better reflect the actual error.

Fixed: Color pickers no longer render behind the form footer.

Fixed: Optimized tasks-endpoint.

Fixed: Redirect to dashboard after onboarding now works reliably.

Fixed: An error during sign-in for specific SimplyBook.me domains is resolved.

Fixed: Invalid object cache value types no longer accepted to prevent errors.

Fixed: We now properly invalidate object cache re