From f850440a03df96aa93544ee520e22738c7b1bc0c Mon Sep 17 00:00:00 2001
From: Sahas Subramanian <sahas.subramanian@proton.me>
Date: Tue, 16 Dec 2025 12:40:52 +0100
Subject: [PATCH 1/2] Allow Python subclassing of ComponentGraphConfig and
 ComponentGraph

Signed-off-by: Sahas Subramanian <sahas.subramanian@proton.me>
---
 src/graph.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/graph.rs b/src/graph.rs
index 488d10b..f0811c5 100644
--- a/src/graph.rs
+++ b/src/graph.rs
@@ -16,7 +16,7 @@ use pyo3::{
     types::{PyAny, PySet, PyType},
 };
 
-#[pyclass]
+#[pyclass(subclass)]
 #[derive(Clone, Default, Debug)]
 pub struct ComponentGraphConfig {
     config: cg::ComponentGraphConfig,
@@ -49,7 +49,7 @@ impl ComponentGraphConfig {
     }
 }
 
-#[pyclass]
+#[pyclass(subclass)]
 pub struct ComponentGraph {
     graph: cg::ComponentGraph<Component, Connection>,
 }

From c5ee356f2997e46af71b1cd3634d0a749b32e433 Mon Sep 17 00:00:00 2001
From: Sahas Subramanian <sahas.subramanian@proton.me>
Date: Tue, 16 Dec 2025 12:41:50 +0100
Subject: [PATCH 2/2] Update release notes

Signed-off-by: Sahas Subramanian <sahas.subramanian@proton.me>
---
 RELEASE_NOTES.md | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 5c3581a..e879121 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,17 +1,5 @@
 # Frequenz Microgrid Component Graph Library Release Notes
 
-## Summary
-
-<!-- Here goes a general summary of what this release is about -->
-
-## Upgrading
-
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
-
 ## New Features
 
-<!-- Here goes the main new features and examples or instructions on how to use them -->
-
-## Bug Fixes
-
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->
+- It is now possible to create subclasses of the `ComponentGraph` and `ComponentGraphConfig` classes from python.