<p><span class="h-card" translate="no"><a href="https://hachyderm.io/@fasterthanlime" class="u-url mention">@<span>fasterthanlime</span></a></span> <span class="h-card" translate="no"><a href="https://donotsta.re/users/mei" class="u-url mention">@<span>mei</span></a></span> at first we thought it would cause quite a few practical issues, but it mostly... doesn't? proc-macro2 is the biggest one so far, and I'll probably end up trying to make it optional for bincode (so that you don't actually use it when it's used in a proc macro context)</p>