Created attachment 8884750 [details] memory-report.json.gz User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0 Build ID: 20170628075643 Steps to reproduce: Just opening firefox and watching a youtube video
Memory leaks don't need to be kept hidden / security-sensitive.
Summary: memory leak → Memory leak when watching a youtube video
Reporter, can you describe why you believe this is a memory leak? From the memory report, it appears that Firefox is using some memory but it's not clear that this is bad. If memory usage goes up over time, it might be valuable to attach two memory reports, "before" and "after" that we could compare. Also this memory report doesn't list any youtube windows. Perhaps you're measuring memory after the window is closed? If so, could you provide the precise steps to reproduce the bug you're seeing? Finally, it appears that you're using the ublock addon. It's possible for addons to cause memory leaks, and so it might be valuble to re-test this without the addon to see if you can still reproduce.
Component: Untriaged → Audio/Video: Playback
Product: Firefox → Core
Status: UNCONFIRMED → RESOLVED
Last Resolved: 9 months ago
Resolution: --- → INCOMPLETE
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