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Cloudflare custom rules match the still-encoded path, so /settings%2F.env slips past "/.env" checks. Match on url_decode() instead.
Stop OptionTree's array offset warnings on modern PHP with a small must-use plugin, without editing the plugin's own files.
Stop WP Rocket flooding the PHP log with preg_match warnings by escaping brackets in the Delay JavaScript exclusions list.
Fix Google SMTP relay 550 5.7.1 errors when only IPv4 is allowlisted by preferring IPv4 in gai.conf and restarting PHP-FPM.
Stop the Duo two-factor plugin writing debug lines to the PHP log by setting $DuoDebug to false in duo_wordpress.php.
ChatGPT rejects a self-hosted OAuth MCP server when dynamic client registration refuses its HTTPS callback URL. Allow HTTPS redirect URIs to fix it.