[jrochkind1]

In the contemporary world with git online, often in github, where you can put an actual URL to an Issue, PR, or commit in a comment in sourcecode -- it's SO valuable.

I think this is actually one of the under-rated most valuable aspects of github (and probably other similar systems), things it's changed the most -- that everything has a URI that can be linked to, including in code comments. And a reason I could never deal with "just git and email patches" without a web UI that gives everything a URI that can be linked to from text.

I especially like leaving links to issues in third-party open source dependencies. If someone comes along later and wants to change the thing that was a workaround to a bug -- they are easily started on the trail to figure out if the bug has been fixed, in what version of the dependency, etc.