I have noticed the same issue, where the tag (previously all CAPS by me) was converted to all lowercase. I thought it would be an issue, but its never caused the SSID's to stop broadcasting. In fact, if I hover over an SSID that isn't enabled on the AP, it indicates that the SSID will only broadcast if the tag is enabled, and the tag name it shows is in all lowercase. It does not seem to matter if its all lowercase or all uppercase. I think in your situation, its possible and unfortunate, that you have a mixture of uppercase and lowercase in the word itself that might be causing your issue. I have not run into any problems with all my uppercase tags getting converted to lowercase (thank the Lord). This would have be like the nightmare from before when Meraki accidentally deleted ALL floorplans on all Orgs by mistake.
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