2023-04-21 UTC
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[tantek] 4. I re-added in-reply-to to https://tantek.com/2023/109/t1/btconf-personal-url-fediverse-feed like https://tantek.com/2023/109/t1/ originally had, and repinged BridgyFed, testing to see if somehow BridgyFed would send an "update" activity and Mastodon would notice the change (that the post was now in-reply-to) and properly thread it. Mastodon did no such thing.