I wonder how this will work with slack orgs with short data retention policies. It wouldn't make sense to delete parts of a Canvas, as "Canvas docs are collaborative, and all their comments are just Slack threads." (from https://www.theverge.com/2022/9/20/23361717/slack-canvas-doc... )
Bear in mind that at this time, and for many years, data retention policies simply do not apply to uploaded files in a given channel (IIRC it does apply to global retention, but I'm not totally sure of the current behavior). There's a sensitive channel with a short retention period in a Slack for a company I do some consulting for and every few months I remind the admins that images/PDFs/etc that are uploaded to the…
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