• 2.2.0 0a42e00299

    v2.2.0 Stable

    javier released this 2026-02-18 15:24:44 +00:00 | 8 commits to main since this release

    2.2.0

    Major Update: Queue-Based Architecture

    • NEW: Database-backed email queue for persistent, reliable email delivery.
    • NEW: External CLI worker script for asynchronous email processing.
    • NEW: Queue Status widget showing real-time statistics (pending, processing, sent, failed).
    • NEW: Recent Campaigns section with key metrics in settings page.
    • NEW: Email Queue admin page to view all queued and sent emails.
    • NEW: Statistics admin page with campaign performance metrics.
    • NEW: Parallel worker support for high-volume sending (10+ workers simultaneously).
    • NEW: Automatic retry with exponential backoff (up to 3 attempts: 5min → 15min → 30min).
    • NEW: Campaign statistics tracking (start time, duration, speed, success rate).
    • CHANGED: Emails are now queued to database instead of sent immediately.
    • CHANGED: Settings page reorganized with Queue Status, Recent Campaigns, and Worker Configuration sections.
    • CHANGED: Campaign statistics now grouped by unique Newsletter ID instead of campaign name.
    • REMOVED: max_per_connection setting (no longer needed with worker architecture).
    • REMOVED: Direct PHPMailer usage (replaced with wp_mail() in workers).
    • FIXED: Duplicate campaign statistics for campaigns with same name but different IDs.
    • FIXED: Worker command documentation (corrected parallel worker syntax).
    • BREAKING: Manual worker setup required - emails no longer send automatically.
    • BREAKING: System cron or process supervisor required for production use.
    • Technical: New database tables for queue and statistics with automatic creation on activation.
    • Technical: Microsecond precision timestamps for accurate performance metrics.
    • Security: CLI-only worker script with SQL injection prevention and capability checks.
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