https://connect.mozilla.org/t5/discussions/stuck-frames-when-looping-youtube-video/m-p/116739#M45548 <P>Has anyone gotten the visual bug where a video on Youtube on loop will be stuck on a keyframe when the loop begins anew? This doesn't happen on Edge/Chromium and only on certain videos from a creator that creates AI music videos with 24fps. Does not happen on all videos mostly these.</P><P>Happens on Firefox NIghtly as well with different addons so I think this has more to do with how firefox decodes these specific videos vs Edge ect.</P><P><A href="https://www.youtube.com/watch?v=d_KXYpaTe_8" target="_blank">https://www.youtube.com/watch?v=d_KXYpaTe_8</A><BR /><A href="https://www.youtube.com/watch?v=6eF5540jGiE" target="_blank">https://www.youtube.com/watch?v=6eF5540jGiE</A></P><P>Have not tried disabling HW Acceleration as I don't wish to do so. Using the internal GPU of the 9800x3d for decoding but this happens when using the RX 9070 as well.</P><P>Addons:<BR />Dark Reader<BR />I still don't care about cookies<BR />New Tab Override<BR />Return YouTube Dislike<BR />uBlock Origin<BR />YouTube Anti Translate<BR />YouTube Thumbnail Viewer</P> Mon, 26 Jan 2026 13:54:51 GMT Gilgamesh 2026-01-26T13:54:51Z https://connect.mozilla.org/t5/discussions/stuck-frames-when-looping-youtube-video/m-p/116739#M45548 <P>Has anyone gotten the visual bug where a video on Youtube on loop will be stuck on a keyframe when the loop begins anew? This doesn't happen on Edge/Chromium and only on certain videos from a creator that creates AI music videos with 24fps. Does not happen on all videos mostly these.</P><P>Happens on Firefox NIghtly as well with different addons so I think this has more to do with how firefox decodes these specific videos vs Edge ect.</P><P><A href="https://www.youtube.com/watch?v=d_KXYpaTe_8" target="_blank">https://www.youtube.com/watch?v=d_KXYpaTe_8</A><BR /><A href="https://www.youtube.com/watch?v=6eF5540jGiE" target="_blank">https://www.youtube.com/watch?v=6eF5540jGiE</A></P><P>Have not tried disabling HW Acceleration as I don't wish to do so. Using the internal GPU of the 9800x3d for decoding but this happens when using the RX 9070 as well.</P><P>Addons:<BR />Dark Reader<BR />I still don't care about cookies<BR />New Tab Override<BR />Return YouTube Dislike<BR />uBlock Origin<BR />YouTube Anti Translate<BR />YouTube Thumbnail Viewer</P> Mon, 26 Jan 2026 13:54:51 GMT https://connect.mozilla.org/t5/discussions/stuck-frames-when-looping-youtube-video/m-p/116739#M45548 Gilgamesh 2026-01-26T13:54:51Z