How do I hide the import from CSV option, either on a by-field basis or by-role basis? I can't find any way to do it in the current stable release.
There is an existing issue here: #1057766: Disable rebuilding the table (columns/rows) and importing (CSV) on node add/edit form on per-field basis → , but it is quite old so I'm not sure if that patch will still apply and work properly...
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Please put the patch into the issue fork and create a merge request.