Encountering this problem recently while trying to download youtube videos...

[ghost]

XDM could not download the file as server sent an invalid response.

I expect the developer will fix this issue.

[ftodd1]

XDM could not download the file as server sent an invalid response.

I have the same issue 12-26-22 using easy youtube downloader for now

[Quicksilver151]

i guess youtube changed how their servers work

[soorajsprakash]

Its working fine with latest beta 8.x Try it out and see,

[Quicksilver151]

just tried it 2 days ago works really nicely love how the new version is going it perfectly integrated with my system theme