diff --git a/NEWS b/NEWS
index 73c4f337..ca5f9b5d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+Major changes in 3.30.0:
+* Updated translations
+
 Major changes in 3.29.92:
 * Better handle 401 status codes when adding calendars (Ralph Plawetzki)
 * Updated translations
diff --git a/data/appdata/org.gnome.Calendar.appdata.xml.in b/data/appdata/org.gnome.Calendar.appdata.xml.in
index 265c47f7..71cca85a 100644
--- a/data/appdata/org.gnome.Calendar.appdata.xml.in
+++ b/data/appdata/org.gnome.Calendar.appdata.xml.in
@@ -49,6 +49,14 @@
   <project_group>GNOME</project_group>
 
   <releases>
+    <release date="2018-09-03" version="3.30.0">
+      <description>
+        <p>GNOME Calendar 3.30.0 release is here!</p>
+        <p>The major highlight of this release is the integration with GNOME's Night Light, making GNOME Calendar use the dark variant of the theme when Night Light is active.</p>
+        <p>Thanks to all the contributors that worked on GNOME Calendar!</p>
+      </description>
+    </release>
+
     <release date="2018-08-27" version="3.29.92">
       <description>
         <p>This release bring a small improvement and updates many translations.</p>
diff --git a/meson.build b/meson.build
index 9662b09d..8bdd20c2 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'gnome-calendar',
                'c',
-           version: '3.29.92',
+           version: '3.30.0',
            license: 'GPL3+',
      meson_version: '>= 0.42.0'
 )
@@ -35,7 +35,7 @@ calendar_schemadir = join_paths(calendar_datadir, 'glib-2.0', 'schemas')
 ###########
 
 calendar_buildtype = get_option('buildtype')
-calendar_debug = calendar_minor_version.is_odd() or buildtype.contains('debug')
+calendar_debug = calendar_minor_version.is_odd() or calendar_buildtype.contains('debug')
 enable_tracing = get_option('tracing')
 enable_gtk_doc = get_option('documentation')