5.5.x release notes: standardizing and linking

release-notes.md

@@ -47,6 +47,33 @@ Released October 3, 2018
 - **[Credits](release-notes/5.6.0.md#credits)**
 - **[Feedback](release-notes/5.6.0.md#feedback)**
 
+## CiviCRM 5.5.3
+
+Released September 25, 2018
+
+- **[Synopsis](release-notes/5.5.3.md#synopsis)**
+- **[Bugs resolved](release-notes/5.5.3.md#bugs)**
+- **[Credits](release-notes/5.5.3.md#credits)**
+- **[Feedback](release-notes/5.5.3.md#feedback)**
+
+## CiviCRM 5.5.2
+
+Released September 20, 2018
+
+- **[Synopsis](release-notes/5.5.2.md#synopsis)**
+- **[Bugs resolved](release-notes/5.5.2.md#bugs)**
+- **[Credits](release-notes/5.5.2.md#credits)**
+- **[Feedback](release-notes/5.5.2.md#feedback)**
+
+## CiviCRM 5.5.1
+
+Released September 12, 2018
+
+- **[Synopsis](release-notes/5.5.1.md#synopsis)**
+- **[Bugs resolved](release-notes/5.5.1.md#bugs)**
+- **[Credits](release-notes/5.5.1.md#credits)**
+- **[Feedback](release-notes/5.5.1.md#feedback)**
+
 ## CiviCRM 5.5.0
 
 Released September 5, 2018

release-notes/5.5.1.md

 # CiviCRM 5.5.1
 
-Released 12 Sep 2018
+Released September 12, 2018
 
 - **[Synopsis](#synopsis)**
 - **[Bugs resolved](#bugs)**
@@ -22,14 +22,15 @@ Released 12 Sep 2018
 ## <a name="bugs"></a>Bugs resolved
 
 - **([dev/core#390](https://lab.civicrm.org/dev/core/issues/390))
-  Fix regression affecting smart-groups which predate 5.5.0 ([12803](https://github.com/civicrm/civicrm-core/pull/12803))**
+  Smart groups created before 5.5.0 using "relation_permission" break on upgrade
+  to 5.5.0 ([12803](https://github.com/civicrm/civicrm-core/pull/12803))**
 
 ## <a name="credits"></a>Credits
 
 This release was developed by the following authors:
 
-Australian Greens - Seamus Lee; CiviCRM - Tim Otten; Lemniscus - Noah Miller; Wikimedia
-Foundation - Eileen McNaughton
+Australian Greens - Seamus Lee; CiviCRM - Tim Otten; Lemniscus - Noah Miller;
+Wikimedia Foundation - Eileen McNaughton
 
 ## <a name="feedback"></a>Feedback
 

release-notes/5.5.2.md

 # CiviCRM 5.5.2
 
-Released 20 Sep 2018
+Released September 20, 2018
 
 - **[Synopsis](#synopsis)**
 - **[Bugs resolved](#bugs)**

release-notes/5.5.3.md

 # CiviCRM 5.5.3
 
-Released 25 Sep 2018
+Released September 25, 2018
 
 - **[Synopsis](#synopsis)**
 - **[Bugs resolved](#bugs)**
@@ -21,9 +21,15 @@ Released 25 Sep 2018
 
 ## <a name="bugs"></a>Bugs resolved
 
-- **Fix regression in editing of newly created option-groups ([12862](https://github.com/civicrm/civicrm-core/pull/12862))**
-- **([dev/core#391](https://lab.civicrm.org/dev/core/issues/391))
-  Fix editing of tags via profile ([12870](https://github.com/civicrm/civicrm-core/pull/12870))**
+- **Fix default value of `civicrm_option_group.is_locked` in DB schema
+  ([12862](https://github.com/civicrm/civicrm-core/pull/12862))**
+
+  This fixes a regression in the editing of newly created option groups that was
+  introduced on upgraded sites.
+
+- **([dev/core#391](https://lab.civicrm.org/dev/core/issues/391)) Tags do not
+  save with profile forms
+  ([12870](https://github.com/civicrm/civicrm-core/pull/12870))**
 
 ## <a name="credits"></a>Credits