Yes, file uploads are terribly slow or down right now.
We're investigating this and we'll fix it. 
Sorry for the trouble here, Jacob. Could you reach out at feedback@slack.com so we can take a closer look at this for you?
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It's the same thing above. Don't make me do more work

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We may need to troubleshoot with you further to help get this resolved, and reaching out by email would allow us direct access to more details around your account. We appreciate that it may be a bit extra work, but we'd love to get this fixed for you!
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Wydaje się, że ładowanie zajmuje dużo czasu.
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