diff --git a/changelogs/application_service/newsfragments/2130.clarification b/changelogs/application_service/newsfragments/2130.clarification
new file mode 100644
index 00000000..9cd12b4e
--- /dev/null
+++ b/changelogs/application_service/newsfragments/2130.clarification
@@ -0,0 +1 @@
+Clarify in the application service registration schema the `url: null` behaviour.
diff --git a/changelogs/application_service/newsfragments/2130.feature b/changelogs/application_service/newsfragments/2130.feature
deleted file mode 100644
index 7761505c..00000000
--- a/changelogs/application_service/newsfragments/2130.feature
+++ /dev/null
@@ -1 +0,0 @@
-Correct null value handling for the AS Registration's `url` property.
diff --git a/changelogs/client_server/newsfragments/2083.clarification b/changelogs/client_server/newsfragments/2083.clarification
index cc3dc3c7..eb334aab 100644
--- a/changelogs/client_server/newsfragments/2083.clarification
+++ b/changelogs/client_server/newsfragments/2083.clarification
@@ -1,2 +1 @@
-Clarify the format of third-party invites, including the fact that identity
-server public keys can be encoded using standard or URL-safe base64.
+Clarify the format of third-party invites, including the fact that identity server public keys can be encoded using standard or URL-safe base64.
diff --git a/changelogs/client_server/newsfragments/2125.new b/changelogs/client_server/newsfragments/2125.new
new file mode 100644
index 00000000..bc329452
--- /dev/null
+++ b/changelogs/client_server/newsfragments/2125.new
@@ -0,0 +1 @@
+Add `GET /_matrix/client/v1/room_summary/{roomIdOrAlias}`, as per [MSC3266](https://github.com/matrix-org/matrix-spec-proposals/pull/3266).
\ No newline at end of file
diff --git a/changelogs/client_server/newsfragments/2144.clarification b/changelogs/client_server/newsfragments/2144.clarification
index 07917287..3ccb2333 100644
--- a/changelogs/client_server/newsfragments/2144.clarification
+++ b/changelogs/client_server/newsfragments/2144.clarification
@@ -1 +1 @@
-Fix typo: as->has.
+Fix various typos throughout the specification.
diff --git a/changelogs/server_server/newsfragments/2083.clarification b/changelogs/server_server/newsfragments/2083.clarification
index cc3dc3c7..eb334aab 100644
--- a/changelogs/server_server/newsfragments/2083.clarification
+++ b/changelogs/server_server/newsfragments/2083.clarification
@@ -1,2 +1 @@
-Clarify the format of third-party invites, including the fact that identity
-server public keys can be encoded using standard or URL-safe base64.
+Clarify the format of third-party invites, including the fact that identity server public keys can be encoded using standard or URL-safe base64.