Activity tab on pull request error on load
The tab says
Error We were unable to load this page.
Inspecting the network requests shows that there's some HTML that comes back. It includes this:
<p>This might be useful in debugging the problem:</p> <p><code>f4934185f9e0499ba2eebaa6c9a7db59</code></p>
I don't get this on all PRs, just on some (may be related to
#8611 - both issues happen on the same PR).