Incorrect icons on hot network questions

Question

I see the same problem has occurred in the past, the most-linked one being Wrong icons in the "hot network questions" column

Is this happening for anyone else?

I've marked the icons I could recognize as incorrect.

This exists on every page, is on both chrome and firefox (from Ubuntu 16.04), and persists after hard-refreshes in each.

Edit: The icons in Meta's Hot Network Questions tab appear to be consistently accurate. Every other page I checked (including Unix, Workplace, English Language & Usage, Money, and Sci-fi) have a handful of incorrect ones, even for some of the same questions that are displayed correctly in Meta.

Further note: if it matters, the icons are also incorrect in the drop down community-search feature on the right end of the header. Again, they appear correct on this Meta page, and incorrect on all other pages I've checked. Some of the ones that are consistently incorrect:

• computational science
• constructed languages
• movies and TV
• raspberri pi
• rpg
• russian language
• science fiction and fantasy
• sitecore
• skeptics
• super user
• latex
• workplace

That distribution seems skewed, but I may just be disproportionately familiar with the sites at the end of the alphabet. Many others could be wrong, those are just the ones I could recognize.

Last edit: apparently my Google skills were lacking - this was asked an hour prior.

Answer 1

Apparently we've been looking into this for a while now. :) But, the core problem remains the same - sometimes some CDN nodes end up caching an old image with the new cachebreaker and everything goes out of whack.

I'll see if we can dig more into it soon^TM, but in the meantime, please feel free to blame caching. The problem should resolve itself one way or another in some time.