diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4247085..2f28474c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,29 @@
 CHANGELOG
 =========
 
+In Development
+--------------
+
+Software updates:
+
+* Upgraded Roundcube from 1.4.2 to 1.4.4.
+* Upgraded Nextcloud from 17.0.2 to 17.0.6 (with Contacts from 3.1.6 to 3.3.0 and Calendar from 1.7.1 to v2.0.3)
+* Upgraded Z-Push to 2.5.2.
+
+System:
+
+* Nightly backups now occur on a random minute in the 3am hour (in the system time zone). The minute is chosen during Mail-in-a-Box installation/upgrade and remains the same until the next upgrade.
+* Fix for mail log statistics report on leap days.
+* Fix Mozilla autoconfig useGlobalPreferredServer setting.
+
+Web:
+
+* Add a new hidden feature to set nginx alias in www/custom.yaml.
+
+Setup:
+
+* Improved error handling.
+
 v0.44 (February 15, 2020)
 -------------------------
 
diff --git a/conf/fail2ban/jails.conf b/conf/fail2ban/jails.conf
index 952dc35a..5de4fd48 100644
--- a/conf/fail2ban/jails.conf
+++ b/conf/fail2ban/jails.conf
@@ -50,7 +50,7 @@ findtime = 30
 enabled  = true
 port     = http,https
 filter   = miab-roundcube
-logpath  = /var/log/roundcubemail/errors
+logpath  = /var/log/roundcubemail/errors.log
 maxretry = 20
 findtime = 30
 
diff --git a/conf/mozilla-autoconfig.xml b/conf/mozilla-autoconfig.xml
index 03e2fef3..22834622 100644
--- a/conf/mozilla-autoconfig.xml
+++ b/conf/mozilla-autoconfig.xml
@@ -21,7 +21,7 @@
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
          <addThisServer>true</addThisServer>
-         <useGlobalPreferredServer>true</useGlobalPreferredServer>
+         <useGlobalPreferredServer>false</useGlobalPreferredServer>
       </outgoingServer>
 
       <documentation url="https://PRIMARY_HOSTNAME/">
diff --git a/setup/management.sh b/setup/management.sh
index c61c8e8a..c16e43d3 100755
--- a/setup/management.sh
+++ b/setup/management.sh
@@ -101,10 +101,11 @@ hide_output systemctl enable mailinabox.service
 # Perform nightly tasks at 3am in system time: take a backup, run
 # status checks and email the administrator any changes.
 
+minute=$((RANDOM % 60))  # avoid overloading mailinabox.email
 cat > /etc/cron.d/mailinabox-nightly << EOF;
 # Mail-in-a-Box --- Do not edit / will be overwritten on update.
 # Run nightly tasks: backup, status checks.
-0 3 * * *	root	(cd `pwd` && management/daily_tasks.sh)
+$minute 3 * * *	root	(cd `pwd` && management/daily_tasks.sh)
 EOF
 
 # Start the management server.
diff --git a/setup/nextcloud.sh b/setup/nextcloud.sh
index 2140d447..938cc70c 100755
--- a/setup/nextcloud.sh
+++ b/setup/nextcloud.sh
@@ -40,11 +40,11 @@ InstallNextcloud() {
 	# their github repositories.
 	mkdir -p /usr/local/lib/owncloud/apps
 
-	wget_verify https://github.com/nextcloud/contacts/releases/download/v3.1.6/contacts.tar.gz d331dc6db2ecf7c8e6166926a055dfa3b59722c3 /tmp/contacts.tgz
+	wget_verify https://github.com/nextcloud/contacts/releases/download/v3.3.0/contacts.tar.gz e55d0357c6785d3b1f3b5f21780cb6d41d32443a /tmp/contacts.tgz
 	tar xf /tmp/contacts.tgz -C /usr/local/lib/owncloud/apps/
 	rm /tmp/contacts.tgz
 
-	wget_verify https://github.com/nextcloud/calendar/releases/download/v1.7.1/calendar.tar.gz bd7c846bad06da6d6ba04280f6fbf37ef846c2ad /tmp/calendar.tgz
+	wget_verify https://github.com/nextcloud/calendar/releases/download/v2.0.3/calendar.tar.gz 9d9717b29337613b72c74e9914c69b74b346c466 /tmp/calendar.tgz
 	tar xf /tmp/calendar.tgz -C /usr/local/lib/owncloud/apps/
 	rm /tmp/calendar.tgz
 
@@ -91,8 +91,8 @@ InstallNextcloud() {
 }
 
 # Nextcloud Version to install. Checks are done down below to step through intermediate versions.
-nextcloud_ver=17.0.2
-nextcloud_hash=8095fb46e9e0c536163708aee3d17fab8b498ad6
+nextcloud_ver=17.0.6
+nextcloud_hash=50b98d2c2f18510b9530e558ced9ab51eb4f11b0
 
 # Current Nextcloud Version, #1623
 # Checking /usr/local/lib/owncloud/version.php shows version of the Nextcloud application, not the DB
diff --git a/setup/webmail.sh b/setup/webmail.sh
index 857f14c9..f52785e3 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -28,8 +28,8 @@ apt_install \
 # Install Roundcube from source if it is not already present or if it is out of date.
 # Combine the Roundcube version number with the commit hash of plugins to track
 # whether we have the latest version of everything.
-VERSION=1.4.2
-HASH=d53fcd7f1109a63364d5d4a43f879c6f47d34a89
+VERSION=1.4.4
+HASH=4e425263f5bec27d39c07bde524f421bda205c07
 PERSISTENT_LOGIN_VERSION=6b3fc450cae23ccb2f393d0ef67aa319e877e435
 HTML5_NOTIFIER_VERSION=4b370e3cd60dabd2f428a26f45b677ad1b7118d5
 CARDDAV_VERSION=3.0.3
diff --git a/setup/zpush.sh b/setup/zpush.sh
index 136ccb1e..44d958df 100755
--- a/setup/zpush.sh
+++ b/setup/zpush.sh
@@ -22,8 +22,8 @@ apt_install \
 phpenmod -v php imap
 
 # Copy Z-Push into place.
-VERSION=2.5.1
-TARGETHASH=4fa55863a429b0033497ae477aca4c8699b8f332
+VERSION=2.5.2
+TARGETHASH=2dc3dbd791b96b0ba2638df0d3d1e03c7e1cbab2
 needs_update=0 #NODOC
 if [ ! -f /usr/local/lib/z-push/version ]; then
 	needs_update=1 #NODOC