History of PerformanceObserver() Revision history for: English (US) Aug 11, 2016, 3:14:03 PM jpmedley Previous Aug 11, 2016, 3:00:37 PM jpmedley Previous Jun 13, 2016, 6:17:17 AM teoli Previous Jun 13, 2016, 6:10:58 AM teoli Previous Jun 13, 2016, 6:10:11 AM teoli Previous Jun 13, 2016, 6:02:09 AM teoli Previous Jun 13, 2016, 6:01:55 AM teoli Previous Jun 13, 2016, 6:01:11 AM teoli Previous Jun 13, 2016, 6:00:47 AM teoli bug 1271487 Previous Jun 13, 2016, 4:16:01 AM teoli Technical review completed.