[OPEN] data-media-id being undefined in html content causes media embeds to break after content migration


Engineers are currently investigating the issue.


If the html content for an RCE enabled field in canvas has a media embed with the “data-media-id” attribute set to “undefined” it will fail to properly embed in any course it’s migrated to.

Expected Behavior

To migrate the content properly


No workaround exists at this time.

Steps to Reproduce

No steps to reproduce exist at this time

Additional Info


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.

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