readme: mention that Nix 2.4 is not supported

Improves experience before people manually find #1561.
4 years ago · a98ec6ec15
parent c8746fb588
commit a98ec6ec15
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -61,6 +61,8 @@ Currently the easiest way to install Home Manager is as follows:
    control this option using the
    [`nix.allowedUsers`][nixosAllowedUsers] system option.

+    Note that Nix 2.4 (`nixUnstable`) is not yet supported.
+
 2.  Add the appropriate Home Manager channel. Typically this is

    ```console