If I

  • open any post on any Stack Exchange site in mobile version (Chrome 63 on Android)
  • then click "add a comment"
  • then type @
  • then type first letter of user name which already commented to this post

Then no username autocomplete happens.

Here is gif where I try to autocomplete @Mureinik in this post:

In desktop Chrome autocomplete works as expected (that is after typing @ and first letter of username, popup with username appears):

Sorry if this question is duplicate.

I don't know exactly why this is not a bug (@iDebug says so), so I put both and labels.



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