diff --git a/changelogs/client_server/newsfragments/2338.feature b/changelogs/client_server/newsfragments/2338.feature
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+Add the `is_animated` flag to the `info` object of the `m.image` msgtype and the `m.sticker` event, as per [MSC4230](https://github.com/matrix-org/matrix-spec-proposals/pull/4230).
diff --git a/changelogs/server_server/newsfragments/2338.clarification b/changelogs/server_server/newsfragments/2338.clarification
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+Add link to JSON signing algorithm in server-server auth section for clarity. Contributed by @thetayloredman.