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I just got some rep notifications while I was chatting on chat.SE. Thanks to this awesome script, I have a top bar in chat, so I see something like this:

enter image description here

Now, suspecting that something may be wrong with the script showing it in the chat rooms, I went to the main chat.SE site, and... saw this same error.

enter image description here

To be sure, I spun up an incognito tab, where I don't have any scripts running (because normally I have 20+). And... still shows broken:

enter image description here

Apparently, English Language & Usage is now Stack Overflow en Español, Literature is now Magento, Mythology & Folklore is Network Engineering... Science Fiction & Fantasy and Meta don't seem to have been affected.

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  • I can confirm this. Apparently magento is not martial arts (not that I mind :D) : i.imgur.com/dMg0KhZ.png Stackoverflow does not seem to be affected.
    – Marius
    Dec 19 '17 at 20:47
  • We renamed Mythology and CogSci recently, so the favicon spritemap changed. The cache should update itself eventually and fix the problem. Dec 19 '17 at 21:04
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    Looks like the same bug as last time when the site list changed. @JonEricson, could you please ask somebody at SE to find out why the CSS and/or the sprite sheet updates aren't getting properly pushed out and fix them? The client-side cache breakers in the URLs are (AFAICT) working as designed, so it looks like an issue with SE's deployment process and/or with the CDN. (The fact that it only seems to affect some users each time also kind of suggests a CDN issue to me.) Dec 19 '17 at 21:30
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    @IlmariKaronen: It is a CDN issue. There's a race condition with the cache breakers and purging does not seem to work reliably. It's difficult for us to diagnose since we can never reproduce the problem ourselves. Dec 19 '17 at 21:36