Update CHANGELOG.md for 9.5.3

[ci skip]

CHANGELOG.md

@@ -2,6 +2,24 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 9.5.3 (2017-09-03)
+
+- [SECURITY] Filter additional secrets from Rails logs.
+- [FIXED] Make username update fail if the namespace update fails. !13642
+- [FIXED] Fix failure when issue is authored by a deleted user. !13807
+- [FIXED] Reverts changes made to signin_enabled. !13956
+- [FIXED] Fix Merge when pipeline succeeds button dropdown caret icon horizontal alignment.
+- [FIXED] Fixed diff changes bar buttons from showing/hiding whilst scrolling.
+- [FIXED] Fix events error importing GitLab projects.
+- [FIXED] Fix pipeline trigger via API fails with 500 Internal Server Error in 9.5.
+- [FIXED] Fixed fly-out nav flashing in & out.
+- [FIXED] Remove closing external issues by reference error.
+- [FIXED] Re-allow appearances.description_html to be NULL.
+- [CHANGED] Update and fix resolvable note icons for easier recognition.
+- [OTHER] Eager load head pipeline projects for MRs index.
+- [OTHER] Instrument MergeRequest#fetch_ref.
+- [OTHER] Instrument MergeRequest#ensure_ref_fetched.
+
 ## 9.5.2 (2017-08-28)
 
 - [FIXED] Fix signing in using LDAP when attribute mapping uses simple strings instead of arrays.

changelogs/unreleased/36061-mr-ref.yml

----
-title: Instrument MergeRequest#ensure_ref_fetched
-merge_request:
-author:
-type: other

changelogs/unreleased/36582-fix-note-resolved-icon.yml

----
-title: Update and fix resolvable note icons for easier recognition
-merge_request:
-author:
-type: changed

changelogs/unreleased/36860-deleted-user-fix.yml

----
-title: Fix failure when issue is authored by a deleted user
-merge_request: 13807
-author:
-type: fixed

changelogs/unreleased/bugfix-notify-custom-participants.yml

----
-title: Fixed: Notifications weren't sending to participating users with a `Custom` notification setting.
-merge_request: 13680
-author: jneen
-type: fixed

changelogs/unreleased/changes-bar-sticky-fix.yml

----
-title: Fixed diff changes bar buttons from showing/hiding whilst scrolling
-merge_request:
-author:
-type: fixed

changelogs/unreleased/fix-import-events.yml

----
-title: Fix events error importing GitLab projects
-merge_request:
-author:
-type: fixed

changelogs/unreleased/fix-sm-37040-regression-pipeline-trigger-via-api-fails-with-500-internal-server-error-in-9-5-1.yml

----
-title: Fix pipeline trigger via API fails with 500 Internal Server Error in 9.5
-merge_request:
-author:
-type: fixed

changelogs/unreleased/mk-fix-user-namespace-rename.yml

----
-title: Make username update fail if the namespace update fails
-merge_request: 13642
-author:
-type: fixed

changelogs/unreleased/mr-index-eager-load.yml

----
-title: Eager load head pipeline projects for MRs index
-merge_request:
-author:
-type: other

changelogs/unreleased/revert-appearances-description-html-not-null.yml

----
-title: Re-allow appearances.description_html to be NULL
-merge_request:
-author:
-type: fixed