Consolidate release notes with changes in installers [ci skip]

docs/installguide/release_notes.rst

@@ -9,8 +9,8 @@ to read the release notes.
   ``0.15.x`` to ``0.17.x`` is not guaranteed to work.
 
 
-0.17.2 (unreleased)
--------------------
+0.17.2rc1
+---------
 
 Bug fixes
 ^^^^^^^^^
@@ -20,9 +20,16 @@ Bug fixes
 New Features
 ^^^^^^^^^^^^
 
-* Enabled captions by default for English dubbed videos. :url-issue:`5464`
-* About/Diagnose page. :url-issue:`5452`
+* Enabled captions by default for English dubbed videos :url-issue:`5464`
+* About/Diagnose page :url-issue:`5452`
 
+Installers
+^^^^^^^^^^
+
+* **Windows**: Update notification message when starting KA Lite server `ka-lite-installers#461 <https://github.com/learningequality/ka-lite-installers/pull/461>`_
+* **Windows**: Menu item for displaying log `ka-lite-installers#457 <https://github.com/learningequality/ka-lite-installers/pull/457>`_
+* **Windows**: Notification message when port 8008 is occupied `ka-lite-installers#454 <https://github.com/learningequality/ka-lite-installers/pull/454>`_
+* **Debian/Ubuntu/Raspberry Pi**: Support for system.d ``systemctl enable`` command `ka-lite-installers#450 <https://github.com/learningequality/ka-lite-installers/pull/450>`_
 
 0.17.1
 ------