diff --git a/README.md b/README.md
index f636118..3730201 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,22 @@ shipping code that I run every day.
     - Find classes
     - Read property metadata
     - Call methods
+    - Create subclasses
+    - Add methods
+    - Replace methods
+    - Add instance variables
   * Objects:
     - Class or class name for object
     - Read and write properties
+    - Read and write instance variables
     - Call methods
+    - Call superclass methods
+  * Protocols:
+    - Check conformance
+    - Read property metadata
+  * Blocks:
+    - Define and invoke blocks with captured values
+    - Pass blocks to C APIs which can then invoke your Zig code
   * Autorelease pools
 
 There is still a bunch of the runtime API that isn't supported. It wouldn't
diff --git a/flake.lock b/flake.lock
index 0155d06..3e08b46 100644
--- a/flake.lock
+++ b/flake.lock
@@ -109,11 +109,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1697544523,
-        "narHash": "sha256-8IYxsrOyThEjhpyPmG2hDJgquWVpx7eOmNpcstjzmEw=",
+        "lastModified": 1697847645,
+        "narHash": "sha256-Hnc0EGGVTV1w8tnFRJMtEDXl16S9JmlOphYBjiR1u8c=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "02bddf965e12cd1224828152911943820665e651",
+        "rev": "5b3efe4890dfee644bb8b7d98834de1b08b35d49",
         "type": "github"
       },
       "original": {