I didn't understand this: "after copy 4.10.2891.0 to SF
Sky West

I just thought that was the reason why 6221 wasn't working.
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Do you think this is the key to why the later versions crashI'm pretty sure the "Crashing" is related to the upgrade to Qt6.
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and if so, do you think it would be difficult for the developer to fix it?There is nothing to fix, because the problem is caused by u.co.uk - not SF.
From my last link: [quote]Qt 6 enforces XML 1.0 rules more strictly than Qt 5[/quote]
I think there mpd are not fully XML compatible.
Please note that DRM MPD Downloader is no VIP service ..
.. it is universal and not individual and I have never had a crash of this downloader
with another provider, so the DRM MPD Downloader works without (Qt) problems.