+1We are using the official Confluence integration plugin for embedding Lucidchart diagrams into Confluence pages. We usually use the Simple Viewer mode (see the picture below) because it automatically resizes the diagram to fit to the frame size.
However, the Simple Viewer stopped working since Monday, 11th May 2026. It keeps “LOADING”.
After switching to Rich Viewer, diagrams are displayed normally. But this is not our preferred viewer mode.
+24Hi
Viewer appears to be broken or unstable in Confluence Cloud right now.
Also, it includes some common workaround options you can try.
LucidCharts Not Displayed in Confluence Cloud | Confluence | Atlassian Support
Best Regards
+1Hi
Viewer appears to be broken or unstable in Confluence Cloud right now.
Also, it includes some common workaround options you can try.
LucidCharts Not Displayed in Confluence Cloud | Confluence | Atlassian Support
Best Regards
Thanks for your reply. We tried all workaround options, but they didn’t help.
It keeps showing the LOADING status as in this screenshot.
+2Hi
Thanks for getting back to me with that additional information. I believe you have identified a bug, and I have reported this to our development team. I apologize for any disruption this may cause, and I will update this thread with any new information about a fix. Please follow along on this thread for updates, and post any additional questions or concerns below.
+1
Update 18/05 - Simple mode still not working.
After having spent 5 minutes investigating I think there’s an issue with the simple preview generating a static image in an S3 bucket (HTTP 403 → I would check the bucket write permissions for the role generating the image). Please pass on to the devops team.
+2Hi
Thanks so much for your feedback - we appreciate it! Our development team is still actively investigating this issue, and I will post in this thread as soon as I have any updates! Thank you for your help and patience while we look into this issue.
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