Add weird exceptions

docs/misc/support-policy.md

@@ -59,7 +59,14 @@ The following configurations are entirely unsupported and you are unlikely to be
 * Use of a custom `init` for Docker
 * Overriding container entrypoints
 
+## Weird Exceptions
+
+The following configurations don't fit nicely into any single category because "it depends". They're not formally supported but we may provide reasonable endeavours support in some cases.
+
+* Running our containers with a root (`0`) PUID or PGID
+
 ## Change History
 
+* 2024-02-13 - Add Weird Exceptions section
 * 2024-02-05 - Add ipvlan/macvlan networks
 * 2023-10-03 - Initial release