# Firefox and redundant Sender Extended Report packets **URL:** https://mediasoup.discourse.group/t/firefox-and-redundant-sender-extended-report-packets/2188 **Category:** mediasoup libraries **Created:** [December 27, 2020, 1:39am UTC](https://mediasoup.discourse.group/t/firefox-and-redundant-sender-extended-report-packets/2188 "2020-12-27T01:39:19Z") **Posts on this page:** 1 **Showing post:** 15
### Author: ![atomic-tang](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/atomic-tang/32/410_2.png) [@atomic-tang](https://mediasoup.discourse.group/u/atomic-tang) #### Post date: [May 7, 2021, 3:23am UTC](https://mediasoup.discourse.group/t/firefox-and-redundant-sender-extended-report-packets/2188/15 "2021-05-07T03:23:57Z")
I posted this issue on the mediasoup-demo forum and it seems to be related to [issue #104](https://github.com/versatica/mediasoup-client/issues/104). When closing and creating video producers too frequently on Firefox when using simulcast (For me this happens on the 3rd attempt), stream layers aren’t produced or their scores drop to 0 where streams are consumed at the lowest resolution. > [@Stream out of sync and video quality reduced when changing from screenshare to camera on Firefox](https://mediasoup.discourse.group/t/stream-out-of-sync-and-video-quality-reduced-when-changing-from-screenshare-to-camera-on-firefox/2712): > > I encountered an issue with using Firefox for my own mediasoup implementation where switching from screenshare to a webcam causes the webcam stream to be out of sync with the audio and the video quality being worse than starting the livestream with the webcam in the first place. I had a good look at my code to see if it was a bug on my end but couldn’t find anything obvious yet, so I wanted to see if the same issue could be reproduced on the demo site and it did on my Mac. Just wondering if anyo… --- _[View the full topic](https://mediasoup.discourse.group/t/firefox-and-redundant-sender-extended-report-packets/2188)._