v3.7.0

[3.7.0] - 2022-12-15

Changed:

• Improved Action Scheduler data cleanup on plugin uninstall.
• Improved performance for database table validation checks.

Fixed:

• Tasks meta database table error.
• Gmail mailer authorization error if the oAuth app already had other non mail scopes attached.
• Email address validation in Setup wizard.
• Removed unneeded composer libraries autoload code.
• Conflict detection for plugin Sendinblue - WooCommerce Email Marketing (v3.0+)

v3.6.1

[3.6.1] - 2022-10-06

Added:

• The wp_mail function call backtrace to the Debug Events if the "Debug Email Sending" option is enabled.
• Plugin's DB tables re-creation process in WP Site Health.
• Debug Events retention period setting.

Changed:

• Updated the list of conflicting plugins (added Zoho Mail).
• Improved conflicting plugins' admin notices (display multiple at once).
• Switched to the WP Core function is_email for verifying email addresses.
• Improved the detection if wp_mail function is overwritten.

Fixed:

• Gmail mailer not using the correct From Email Address in Domain Checker.
• Setup Wizard steps navigation, when going backwards.

v3.5.2

[3.5.2] - 2022-08-17

Fixed:

• The check if wp_mail function is overwritten on Windows servers.

v3.5.1

[3.5.1] - 2022-07-14

Changed:

• Removed MailPoet from the list of conflicting plugins.

Fixed:

• PHP warning for undefined variable when using the Default (none) mailer.

v3.5.0

[3.5.0] - 2022-07-14

Added:

• Check if wp_mail function is overwritten.
• DB table (wpmailsmtp_tasks_meta) cleanup after scheduled actions execution. Keeps DB size small.

Changed:

• Updated the list of conflicting plugins (added Branda and MailPoet).
• Improved WP Site Health license check.
• Updated Action Scheduler library to 3.4.2.

Fixed:

• SMTP.com mailer email content-encoding.
• Missing Sendinblue email body WP filter.
• Chart.js library conflicts with other plugins.

v3.4.0

[3.4.0] - 2022-04-27

Added:

• New transactional mailer: SendLayer integration.

Changed:

• Improved Mailgun API error message extraction.
• Standardized error messages format and improved WP remote request errors extraction.

Fixed:

• Lite plugin uninstall actions clearing plugin options while Pro version is active.
• Hiding unrelated network admin notices on WP Mail SMTP pages.

v3.3.0

[3.3.0] - 2022-02-15

IMPORTANT

• Support for WordPress versions 5.1.x or lower has been discontinued. If you are using one of those versions, you MUST upgrade WordPress before installing or upgrading to WP Mail SMTP v3.3. Failure to do that will disable WP Mail SMTP functionality.

Added:

• PHP 8.1 compatibility.

Changed:

• Updated the list of conflicting plugins (added FluentSMTP and WP HTML Mail).
• Improved debug error message for the Other SMTP mailer in Debug Events.
• Updated Action Scheduler library to 3.4.0.
• Improved Action Scheduler performance.

Fixed:

• PHP deprecated notices in Sendinblue library (PHP 7.4+).
• DB tables row in Site Health Info section is now private.
• Debug Events' screen options visible on general Tools page.
• Screen Options right alignment.

v3.2.1

3.2.1 - 2021-11-17

• Fixed: PHP 8 compatibility when existing Gmail mailer connection is revoked.

v3.2.0

3.2.0 - 2021-11-11

• Added: New transactional mailer - SparkPost integration.
• Added: One-click migration from FluentSMTP plugin.
• Added: Plugin constants integration in Setup Wizard.
• Fixed: Early plugin deactivation issue with activity log plugins.

v3.1.0

3.1.0 - 2021-09-30

• Added: New transactional mailer - Postmark integration.
• Added: Support for string attachments (added via PHPMailer object).
• Changed: Improved Email Source detection in Debug Events for WP Core sent emails.
• Changed: Improved uninstall process. It now removes all plugin DB data and tables.
• Fixed: Email Source detection in Debug Events for file paths with backslashes.
• Fixed: Blurry image assets in Weekly Email Summary.
• Fixed: PHP extension mb_strings not polyfilled correctly.
• Fixed: Added missing is_email_sent filters for Sendinblue, Mailgun, and Gmail mailers.
• Fixed: Debug Events double-entry DB save, because of a bug in is_email_sent method for certain mailers.