Video Playback Restarts Every 10–15 Seconds in Microsoft Edge and Chromium-Based Brow

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What is webhooks enabled for? It just seems to cause these errors:

Code:

[00:14:19] [WRN] [17] Jellyfin.Plugin.Webhook.Destinations.Generic.GenericClient: Error sending notification
System.Net.Http.HttpRequestException: IPv4 address 0.0.0.0 and IPv6 address ::0 are unspecified addresses that cannot be used as a target address. (Parameter 'hostName') (0.0.0.0:5553)

Like you're trying to send a webhook notification to 0.0.0.0 instead of a real IP addy. Those are the only errors I see in there and are followed by failures. The 4K video would likely fail because it requires HDR --> SDR tonemapping if it's being transcoded. Seeing as that's turned off, I would 100% bet that's causing you issues.