According to https://bpmn.io/blog/posts/2016-copy-paste-search-bpmn-js-0-15.html, BPMN.io is capable of letting a user select, copy and paste, as well as search using either the context menu or via keyboard shortcuts.
However, there isn't a context menu when right clicking, nor does it register Ctrl + C (does nothing), Ctrl + V (does nothing), nor Ctrl + F (opens standard browser search).
Ctrl + C (does nothing), Ctrl + V (does nothing), nor Ctrl + F (opens standard browser search).
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It's likely this issue predates Contrib.social: some issue and comment data are missing.