Fatal Error Notify

1.5.4 – 2/12/2026

• Tested for WordPress 6.9
• Added – Memory reservation for better out-of-memory error handling
• Added – Settings link on the plugins page
• Added – Automatically deactivate the free version when Pro is activated
• Added – Object cache support for rate limiting
• Added – fen_rate_limit_time filter for customizing the rate limit duration
• Improved – Notifications now include the full request URL with protocol and domain
• Improved – Server paths are now stripped from file paths in notifications
• Improved – Out-of-memory error messages are normalized to prevent duplicate notifications
• Improved – “chmod” warnings are now ignored by default
• Improved – Better referrer handling (hidden when same as request URL)
• Improved – User login name is now shown instead of just the user ID
• Improved – Test notifications no longer call an undefined function
• Fixed – Deprecated constant E_STRICT removed for PHP 8.4 compatibility
• Fixed – Rate limiting now properly includes the file path in the hash

1.5.3 – 1/12/2024

• Tested for WordPress 6.5.0
• Added nonce further secure to admin test error action

1.5.2 – 1/5/2024

• Improved – Removed some uncommon error types
• Fixed test error endpoint being accessible by non-admins

1.5.1 – 8/11/2023

• Tested for WordPress 6.3.0
• Improved – “mkdir” warnings will be ignored by default

1.5.0 – 3/20/2023

• Tested for WordPress 6.2.0
• Added WP CLI endpoint for updating plugin settings

1.4.7 – 11/14/2022

• Fixed typo (misplaced parenthesis) checking WARNING level errors in v1.4.6

1.4.6 – 11/1/2022

• Tested for WordPress 6.1.0
• Improved – Moved actions to shutdown action priority 1, to fix cases where other plugins generate notices or warnings during shutdown after a fatal error
• Improved – “rmdir” warnings will be ignored by default
• Fixed unlink warnings still triggering notifications if unlink was the first part of the error string

1.4.5 – 2/15/2022

• Tested for WordPress 5.9
• Improved – “unlink” warnings will be ignored by default (see https://wordpress.org/support/topic/wordfence-notification-error-wordfenceclass-php/#post-15187940)
• Added upgrade prompt in notification email

1.4.4 – 8/3/2021

• Tested for WordPress 5.8
• Moved upgrade nag to top of settings page to prevent layout issues on smaller screens

1.4.3 – 12/16/2020

• Tested for WordPress 5.6
• Fixed PHP notice when HTTP referrer was missing
• Added fen_use_wp_mail filter

1.4.2 – 4/3/2020

• Tested for WordPress 5.4
• Added error level descriptions

1.4.1 – 11/27/2019

• Tested for WordPress 5.3

1.4 – 4/26/2019

• Added request URI, HTTP Referrer, and current user ID to notifications

1.3 – 4/21/2018

• Added “Send Test” button
• Rate limiting so notifications are only sent once per hour

1.2 – 2/8/2018

• Added filter to ignore errors

1.1

• Updated branding
• Added link to Pro version

1.0

• Initial release