Update the 3.3.0 development release notes for rc4

Change-Id: I6e127d1f1d03c914261a63f58487a624201c829c
diff --git a/pages/site/releases/3.3.md b/pages/site/releases/3.3.md
index c8aff1e..d882cf1 100644
--- a/pages/site/releases/3.3.md
+++ b/pages/site/releases/3.3.md
@@ -1,14 +1,14 @@
 ---
-title: "Gerrit 3.3.0-rc3 release (in development)"
+title: "Gerrit 3.3.0-rc4 release (in development)"
 permalink: 3.3.html
 hide_sidebar: true
 hide_navtoggle: true
 toc: true
 ---
 
-Download: **[3.3.0-rc3](https://gerrit-releases.storage.googleapis.com/gerrit-3.3.0-rc3.war)**
+Download: **[3.3.0-rc4](https://gerrit-releases.storage.googleapis.com/gerrit-3.3.0-rc4.war)**
 
-Documentation: **[3.3.0-rc3](https://gerrit-documentation.storage.googleapis.com/Documentation/3.3.0/index.html)**
+Documentation: **[3.3.0-rc4](https://gerrit-documentation.storage.googleapis.com/Documentation/3.3.0/index.html)**
 
 ## Release highlights
 
@@ -114,6 +114,11 @@
 * [Issue 10021](https://bugs.chromium.org/p/gerrit/issues/detail?id=10021);
   Avoid quoting on basic strings
 
+### plugin-manager
+
+* [Issue 12885](https://bugs.chromium.org/p/gerrit/issues/detail?id=12885);
+  Fix loading of core plugins on Windows
+
 ### replication
 
 * Add method to push changes directly to given replica
@@ -177,6 +182,9 @@
 * [Issue 12073](https://bugs.chromium.org/p/gerrit/issues/detail?id=12073);
   Don't reset storage when rescheduling for collisions
 
+* [Issue 13480](https://bugs.chromium.org/p/gerrit/issues/detail?id=13480);
+  Don't output directories during task walk
+
 ## Polygerrit UI changes
 
 * Add comment icon to CR column of the dashboard
@@ -326,4 +334,7 @@
 * [Issue 13376](https://bugs.chromium.org/p/gerrit/issues/detail?id=13376);
   Make sure that comment drafts are sorted to the end
 
+* [Issue 13464](https://bugs.chromium.org/p/gerrit/issues/detail?id=13464);
+  Use persistent cache provided by libModule for offline reindex
+
 ## Bugfix releases