User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0 Build ID: 20180429220443 Steps to reproduce: Run https://tweetdeck.twitter.com Actual results: Works for at best a few minutes then crashes. Expected results: No crash Tested over several days and with addons disabled.

Hi Yani , thanks for taking the time to log this issue, this defect was already reported in bug 1456534 , and i will mark this as duplicate since our Dev team is already working on it.