coq-bugs.md

@@ -38,3 +38,4 @@ Priority [HIGH] means that this actively affects how we do things and we have no
 * 8.17: [future coercion syntax](https://github.com/coq/coq/pull/16230)
 * 8.19: [`resolve_tc`](https://github.com/coq/coq/pull/13071)
 * 8.20: [Smarter guard condition](https://github.com/coq/coq/pull/17986) should allow us to define `fmap`/`mbind` instances for `list` that can be used in nested recursion and do not require the `csimpl` hack.
+* * 8.20 [prim proj in ssrrewrite](https://github.com/coq/coq/pull/19213)
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