diff --git a/changelogs/application_service/newsfragments/2267.feature b/changelogs/application_service/newsfragments/2267.feature
new file mode 100644
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+++ b/changelogs/application_service/newsfragments/2267.feature
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+Allow application services to manage devices and register users without the legacy authentication API, as per [MSC4190](https://github.com/matrix-org/matrix-spec-proposals/pull/4190).
diff --git a/changelogs/client_server/newsfragments/2267.feature b/changelogs/client_server/newsfragments/2267.feature
new file mode 100644
index 00000000..92a03203
--- /dev/null
+++ b/changelogs/client_server/newsfragments/2267.feature
@@ -0,0 +1 @@
+Allow application services to manage devices and register users without the legacy authentication API, as per [MSC4190](https://github.com/matrix-org/matrix-spec-proposals/pull/4190).