Pie chart rendering issues in web-interface

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I have installed Chirpstack (chirpstack-concentratord, chirpstack-gateway-bridge and chirpstack on Raspberry Pi CM4 under Ubuntu v.18), some times it worked fine, but now I see that UI circles decrease over time, then disappear altogether. But I am receiving data, the server works. I used it on port 8082 because port 8080 already used by other application.
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What to do?

When you say that the pie charts are decreasing in size, is that without reloading the page? E.g. if you reload the page, is the issue solved? I think this is a rendering issue. Any hints how to reproduce would be welcome (including browser version).

1 Answers

This happens after each reloading, also in Incognito mode, it takes 9 second for decreasing from normal size to zero.
Just now I found that this is in Chrome browser only. I tried also to turn off all the extentions, hard reload with cache cleaning. Microsoft Edge has no this problem. Also I don't see the problem with Chrome on global website with SSL certificate.
I call Chirpstack from Node-React Application.
I have not idea how to reproduce. If I will have new info, I inform you.
I have Chrome Version 140.0.7339.210 (Official Build) (64-bit)