README.md: clarify cgroup2 support is not ready for production
@@ -16,6 +16,10 @@ This means that `runc` 1.0.0 should implement the 1.0 version of the specificati
You can find official releases of `runc` on the [release](https://github.com/opencontainers/runc/releases) page.
+Currently, the following features are not considered to be production-ready:
+
+* Support for cgroup v2
+
## Security
The reporting process and disclosure communications are outlined in [/org/security](https://github.com/opencontainers/org/blob/master/security/).
