From 333e99ed3bdc3e1a56fa0309b752d42b9cc0c010 Mon Sep 17 00:00:00 2001
From: Fabian Neumann <fabian.neumann@outlook.de>
Date: Thu, 18 Jan 2024 19:33:57 +0100
Subject: [PATCH] add release note

---
 doc/release_notes.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 52b2ddc2..914791a1 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -14,6 +14,9 @@ Upcoming Release
 
 * Remove option for wave energy as technology data is not maintained.
 
+* Define global constraint for CO2 emissions on the final state of charge of the
+  CO2 atmosphere store. This gives a more sparse constraint that should improve
+  the performance of the solving process.
 
 PyPSA-Eur 0.9.0 (5th January 2024)
 ==================================