This behavior has been resolved and deployed to the production environment as of 11/05/25.
When editing an external tool assignment, selecting a new external tool resource is triggering a LtiResourceLinkRequest instead of a LtiDeepLinkingRequest.
Instead it should initiate a LtiDeepLinkingRequest.
Delete the assignment and create a new one.
Prerequisite: Course with an LTI 1.3 using Deep Linking.
Create an assignment and use an LTI using deep linking.
Edit the assignment and try to select a new deep linked LTI resource.
Notice that it instead launches as a resource link request which breaks the tool from working to select the new content.
INTEROP-9964
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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