Video's constantly getting stuck buffering as well as image freezing occationally

[Realitivitu]

Youtube Video's are constantly getting permanently stuck buffering at the spots where ads are skipped
Clicking further ahead in the timeline as well as refreshing the page is often required.

Additionally the Video's Image is freezing sometimes for a few seconds while the audio keeps running.

• Script version: 4.0
• Violentmonkey 2.18.0
• Windows 10 Pro 64bit
• Firefox 124.0.1