How does the workaround in 370704789 work for Confluence Cloud? Cloud admin doesn't seem to have privileges to change the attachment download security settings.
You removed the link to the page, so no one can possibly find it. I was able to grab it for others here – https://confluence.atlassian.com/confkb/pdf-files-no-longer-open-in-browser-users-are-prompted-to-download-370704789.html
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