diff --git a/.changelog/12044.txt b/.changelog/12044.txt
new file mode 100644
index 000000000..3199fa31d
--- /dev/null
+++ b/.changelog/12044.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+config: Fixed a bug where the `reservable_cores` setting was not respected
+```