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Showing posts from October, 2023

Delay on YouTube Feeds

Most YouTube feeds have not sent new notifications since 2023-10-02 14:20 UTC. We will be triggering a manual YouTube feeds over the next hour and all missing notifications will be sent. If you have any missing notifications after 2023-10-05 14:00 UTC please reach out to support. Update 14:00 : All updates have been sent. If you believe that you are still missing updates feel free to reach out. The rest of this post is a technical analysis of the issue. Background This was caused due to recent emergency response to YouTube WebSub notifications. The emergency response was necessary is due to the following factors. YouTube WebSub posts are not spec compliant and do not contain the required information to send notifications. Therefore FeedMail uses these notifications as a "ping" to re-fetch the feed. YouTube often sends notifications before the entries appear in the feed. The exact reason is not known but sometimes entries do not appear for up to an hour after the WebSub push.