Heatmap render bug?

Hi, I recently encountered a strange bug while viewing my Grafana heatmap.

This is the expected heatmap: pic 1, but sometimes it changes to this: pic 2. (The color cells are all covering each other.)

I’ve checked the dashboard configuration and am using Grafana v11.3.0. I also tried upgrading to the latest version, but unfortunately, the issue persists.

Any help would be appreciated. :pray:

would you mind opening a GH issue with more details please?

a screen recording might be helpful if this situation can be triggered in some way through UI interaction.

if you’re able to attach panel debug dashboards of this panel in both working and non-working variants that would be great. we’ll need to be able to reproduce the issue to be able to fix it.

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