History - Graphs with same unit of measure are not combined

Until recently (I do not remember exactly which version), I was able to view a single, combined History graph for my thermostat and any/all other temperature sensors in my home. Now, the History separates the thermostat from all other temperature graphs (they have the same units):

Is this a known bug?
Is there a way to override this automatic separation of the graphs so that all are shown on a single graph?

It seems to be a problem with the temperature sensor entities from the Ecobee integration:

Although all are configured identically, so I don’t see why they don’t combine:

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Same here! Seems like not related to a specific device, I have two “watt” sensors from two different devices in a same graph, and third “watt” sensor from one of those devices in a separate graph.

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Thank you for sharing! Good to know it is not just me.
I have been waiting to see if others are affected before submitting an issue on Github. I will do so when I have time in the next few days and update this thread with a link to the issue.

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Github issue can be found here. Please add additional information if you are also experiencing this bug.

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