diff --git a/changelog.d/16365.misc b/changelog.d/16365.misc
new file mode 100644
index 0000000000..f423d4dd98
--- /dev/null
+++ b/changelog.d/16365.misc
@@ -0,0 +1 @@
+Add warning when `/forget` is used without a request body, as this is against the specification.
\ No newline at end of file