Paraphrased from email correspondence:
https://en.m.wikipedia.org/wiki/Special:MobileDiff/597595271 there is
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https://en.wikipedia.org/w/index.php?title=Talk%3AMain_Page&diff=597595271
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With no explanation of what's going on, the mobile experience appears broken even though it is otherwise behaving correctly.
Version: unspecified
Severity: normal