Notifications related to new announcements are not created

This behavior has been resolved and deployed to the production environment as of 9/1/25.
Description
The notification category “Announcement - New Announcement in your course” is failing to generate a notification to send to the user’s e-mail address, even if configured to notify the user immediately. No notification event is seen when viewing the user’s messages.
Expected Behavior
The notification, when configured to notify immediately should be sent out to the user’s communication e-mail.
Workaround
No workaround exists at this time.
Steps to Reproduce
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Create a published course with a student enrollment.
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Configure the Student’s notification preferences to receive instant notifications about newly created announcements.
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Create and publish an announcement. The user won’t be notified of this announcement through e-mail.
Additional Info
VICE-5494
Known issues indicate notable behaviors that have been escalated to the Canvas engineering team. Known issues are not a guarantee for an immediate resolution. This document is for informational purposes only and does not replace the Support process. If you are encountering the behavior outlined in this document, please ensure you have submitted a Support case (per your institution's escalation process) so Canvas Support can adequately gauge the overall customer impact and prioritize appropriately.