125 lines
6.9 KiB
Text
125 lines
6.9 KiB
Text
= 2.2.8 =
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* CHANGED: Batch Size is now read from the plugin settings database — workers no longer require it as a command-line argument
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* CHANGED: Worker command simplified: php worker.php "w1" (batch_size argument removed)
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* IMPROVED: Batch Size field now shows a throughput table (10 workers × N emails = simultaneous emails)
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* IMPROVED: Worker section in settings shows the calculated simultaneous email count based on current settings
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* TECHNICAL: Legacy command format (php worker.php 10 "w1") still accepted with a deprecation warning
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= 2.2.7 =
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* IMPROVED: Worker now runs as a continuous loop, draining the queue completely before exiting
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* IMPROVED: Statistics are synced after each batch (not only at the end)
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* IMPROVED: Worker output includes worker ID on each line for clearer parallel logs
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* FIXED: Uneven work distribution between parallel workers
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* INVESTIGATING: Possible incompatibility with the Redirection plugin in MultiSite environments - output buffering mitigates known symptoms while investigation is ongoing
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= 2.2.6 =
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* CRITICAL FIX: Worker now suppresses plugin header warnings in MultiSite environments
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* CRITICAL FIX: Fixed Newsletter base class dependencies not loading in DOING_CRON context
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* CRITICAL FIX: Worker now manually initializes plugin when newsletter_loaded hook doesn't fire
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* CRITICAL FIX: Fixed MultiSite subdirectory site detection - worker now correctly loads site from --url path
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* CRITICAL FIX: Removed WP_CLI constant - caused fatal errors with multisite-clone-duplicator and similar plugins
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* FIXED: "headers already sent" warnings from Redirection plugin and other plugins
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* IMPROVED: Output buffering prevents header warnings from breaking worker execution
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* IMPROVED: Worker loads NewsletterAddon and NewsletterMailerAddon before plugin
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* IMPROVED: Worker calls Plugin::instance_init() manually for proper initialization
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* IMPROVED: REQUEST_URI now parsed from URL path for correct MultiSite site selection
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= 2.2.5 =
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* CRITICAL FIX: Worker now loads plugin manually in DOING_CRON context
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* FIXED: "Newsletter SMTP plugin is not active" error in worker script
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* IMPROVED: Worker compatibility with all WordPress environments including MultiSite
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= 2.2.4 =
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* CRITICAL FIX: Speed calculation now uses actual NEWSLETTER_CRON_INTERVAL value
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* FIXED: Batch_size was being divided by 5 due to incorrect cron interval assumption
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* IMPROVED: Plugin now dynamically calculates speed based on actual Newsletter cron interval
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* IMPROVED: Supports any cron interval (60s, 300s, etc.) without hardcoded assumptions
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= 2.2.3 =
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* CRITICAL FIX: Overridden get_emails_per_run() to bypass Newsletter's internal calculation
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* FIXED: Newsletter was calculating batch = speed / 12, resulting in only 8-16 emails per execution
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* FIXED: Plugin now directly returns configured batch_size for proper queue loading
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= 2.2.2 =
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* FIXED: Newsletter now correctly respects configured batch_size when enqueuing emails
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* FIXED: Emails are now enqueued all at once to database instead of gradually
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* IMPROVED: Added public $batch property that Newsletter reads directly
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* IMPROVED: Added get_batch_size() method for Newsletter compatibility
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= 2.2.1 =
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* NEW: MultiSite detection in settings page with tailored worker commands
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* NEW: Worker script now supports --url parameter for MultiSite environments
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* IMPROVED: Settings page automatically displays installation-specific worker setup instructions
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* IMPROVED: Worker documentation with MultiSite usage examples
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* IMPROVED: README with dedicated MultiSite Installations section
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= 2.2.0 =
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**Major Update: Queue-Based Architecture**
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* NEW: Database-backed email queue for persistent, reliable email delivery.
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* NEW: External CLI worker script for asynchronous email processing.
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* NEW: Queue Status widget showing real-time statistics (pending, processing, sent, failed).
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* NEW: Recent Campaigns section with key metrics in settings page.
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* NEW: Email Queue admin page to view all queued and sent emails.
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* NEW: Statistics admin page with campaign performance metrics.
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* NEW: Parallel worker support for high-volume sending (10+ workers simultaneously).
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* NEW: Automatic retry with exponential backoff (up to 3 attempts: 5min → 15min → 30min).
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* NEW: Campaign statistics tracking (start time, duration, speed, success rate).
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* CHANGED: Emails are now queued to database instead of sent immediately.
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* CHANGED: Settings page reorganized with Queue Status, Recent Campaigns, and Worker Configuration sections.
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* CHANGED: Campaign statistics now grouped by unique Newsletter ID instead of campaign name.
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* REMOVED: max_per_connection setting (no longer needed with worker architecture).
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* REMOVED: Direct PHPMailer usage (replaced with wp_mail() in workers).
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* FIXED: Duplicate campaign statistics for campaigns with same name but different IDs.
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* FIXED: Worker command documentation (corrected parallel worker syntax).
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* BREAKING: Manual worker setup required - emails no longer send automatically.
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* BREAKING: System cron or process supervisor required for production use.
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* Technical: New database tables for queue and statistics with automatic creation on activation.
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* Technical: Microsecond precision timestamps for accurate performance metrics.
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* Security: CLI-only worker script with SQL injection prevention and capability checks.
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= 2.1.0 =
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* Changed uninstall behavior: plugin no longer performs cleanup on uninstall, all data cleanup is now handled by the core SMTP plugin.
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* This ensures Newsletter configuration is preserved when only the add-on is removed, and properly cleaned when the core plugin is uninstalled.
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* Simplified uninstall.php to delegate all cleanup responsibility to core SMTP plugin.
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= 2.0.1 =
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* Removed Network requirement from plugin headers to allow single-site activation.
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= 2.0.0 =
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* Updated compatibility with SMTP (by ROBOTSTXT) plugin 2.0.0.
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* Enhanced integration with core SMTP plugin security improvements.
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* Improved error handling and validation.
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* Code quality improvements.
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= 1.0.0 =
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* Initial release with SMTPKeepAlive support for efficient SMTP batch sending.
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* Amazon SES API integration for optimized delivery.
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* Automatic configuration from ROBOTSTXT SMTP plugin.
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* Dynamic speed calculation from SMTP rate limits (up to 32,400 emails/hour).
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* Batch processing with configurable batch size (up to 2,610 emails per chunk).
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* Support for custom batch sizes per provider type.
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* Max emails per connection configuration to prevent timeouts.
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* Integration with ROBOTSTXT SMTP rate limiting system.
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* Automatic FROM address configuration from ROBOTSTXT SMTP.
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* HELO hostname configuration for multisite compatibility.
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* Comprehensive error logging to Newsletter system.
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* Automatic detection of SMTP vs Amazon SES mode.
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* Resilient error handling - continues sending even if individual recipients fail.
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* WP-CLI compatibility for cron execution.
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* Uninstall script to clean database on plugin deletion.
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* Performance: 20-30x faster bulk email sending compared to standard wp_mail().
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* Performance: Sends 22 emails in ~7 seconds using SMTPKeepAlive.
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