The wireless latency still appears on the client page for me, or are you referring to the overall network page as I indeed do not see it there. I haven't looked at that page for a while as it seems incorrect to me. On my home network it shows the below:
Clearly 1/7 devices had an issue (the client page correctly reports this) and I have no idea where the 9 devices comes from as there are only 7 in the list...
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