diff --git a/changelog.d/17293.feature b/changelog.d/17293.feature
new file mode 100644
index 0000000000..bd5c27a8a7
--- /dev/null
+++ b/changelog.d/17293.feature
@@ -0,0 +1 @@
+Add recency sort to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint.