Release notes

What changed in Meta Pixel Diagnostics

Version 2.0.0 · October 31, 2026

A rebuilt panel and 40 checks

  • New side panel with Events, Pixels and Issues tabs, a page health score and search and filters.
  • Captures every pixel transport, including the hidden form posts used by the current pixel library.
  • Single-page app support: events are grouped by page and by view.
  • 40 browser-side checks with a plain-language fix for each.
  • 7-day local history with automatic cleanup, Clear history and Clear all history.
  • Optional error notifications, off by default.
  • Light and dark themes, keyboard shortcut Alt+Shift+D, and 11 interface languages including Arabic and Hindi.
  • Export to JSON or CSV.