the following changes have been pushed to bugzilla.mozilla.org:

• [1270295] don’t update timestamps when the tab is not active / in the background
• [1270867] confusing error message when I was just searching for a bug
• [232193] bmo’s systems (webheads, database, etc) should use UTC natively for o/s timezone and date storage

discuss these changes on mozilla.tools.bmo.

https://dlawrence.wordpress.com/2016/05/14/happy-bmo-push-day-18/