Yesterday I was awarded a whole bunch of tag-badges. However, I already held them all. It seems that I have been re-awarded all of my tag-badges for some reason, but, from what I can see, noone else has had this issue. I am wondering what has happened here?

For example, I have had the gold badge on the group-theory tag for ages. However, I was awarded this badge yesterday and, apparently, this was for the first time (see here). At the same time, I also won the silver and bronze levels of this badge! Also, none of the other people with this gold badge were awarded it yesterday, so I presume this issue is local to me.

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    $\begingroup$ SEDE currently shows that you were awarded this badge on 2018-02-22: data.stackexchange.com/math/query/1361448/… (We'll see how this changes after the next update of the data in SEDE.) Also this snapshot from Wayback Machine shows you with a gold group theory badge - it is from 15 August 2020. $\endgroup$ Jan 23, 2021 at 18:21
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    $\begingroup$ I had a similar experience, though it is now "day before yesterday" when it occurred. Five bronze tag badges and two silver ones on main Math.SE. It amounts to all my tag badges, ignoring the duplications between silver and bronze. $\endgroup$
    – hardmath
    Jan 24, 2021 at 3:07
  • $\begingroup$ @MartinSleziak Thanks for doing that!! The data has been updated, and it now says the badge was awarded on "2021-01-22 04:01:29". $\endgroup$
    – user1729
    Jan 24, 2021 at 10:28
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    $\begingroup$ I noticed this too. The two tag badges I have received were both awarded yesterday. Both of these badges (bronze combinatorics and bronze matrices) are typically awarded once or twice a month, but both have been awarded to about a dozen users in the last week. I think I may have had these badges before; at least I haven't had any upvotes in these tags recently. $\endgroup$ Jan 24, 2021 at 14:19
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    $\begingroup$ It's happening across the network, so I've posted a bug report on the main Meta. $\endgroup$
    – Glorfindel
    Jan 25, 2021 at 18:31

1 Answer 1


This should be resolved. Lots more details on what happened and why are available on this answer.


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