diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4591737d..bd1745a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 CHANGELOG
 =========
 
-IN DEVELOPMENT
---------------
+v0.51 (November 14, 2020)
+-------------------------
 
 Software updates:
 
diff --git a/README.md b/README.md
index 151257ee..fcda83f9 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ by him:
 	$ curl -s https://keybase.io/joshdata/key.asc | gpg --import
 	gpg: key C10BDD81: public key "Joshua Tauberer <jt@occams.info>" imported
 
-	$ git verify-tag v0.50
+	$ git verify-tag v0.51
 	gpg: Signature made ..... using RSA key ID C10BDD81
 	gpg: Good signature from "Joshua Tauberer <jt@occams.info>"
 	gpg: WARNING: This key is not certified with a trusted signature!
@@ -78,7 +78,7 @@ and on his [personal homepage](https://razor.occams.info/). (Of course, if this
 
 Checkout the tag corresponding to the most recent release:
 
-	$ git checkout v0.50
+	$ git checkout v0.51
 
 Begin the installation.
 
diff --git a/conf/mta-sts.txt b/conf/mta-sts.txt
index 26acc015..e7bdc4c4 100644
--- a/conf/mta-sts.txt
+++ b/conf/mta-sts.txt
@@ -1,4 +1,4 @@
-version: STSv1
-mode: MODE
-mx: PRIMARY_HOSTNAME
-max_age: 604800
+version: STSv1
+mode: MODE
+mx: PRIMARY_HOSTNAME
+max_age: 604800
diff --git a/setup/bootstrap.sh b/setup/bootstrap.sh
index aca68056..b6110fa8 100644
--- a/setup/bootstrap.sh
+++ b/setup/bootstrap.sh
@@ -20,7 +20,7 @@ if [ -z "$TAG" ]; then
 	# want to display in status checks.
 	if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/18\.04\.[0-9]/18.04/' `" == "Ubuntu 18.04 LTS" ]; then
 		# This machine is running Ubuntu 18.04.
-		TAG=v0.50
+		TAG=v0.51
 
 	elif [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/14\.04\.[0-9]/14.04/' `" == "Ubuntu 14.04 LTS" ]; then
 		# This machine is running Ubuntu 14.04.
diff --git a/setup/nextcloud.sh b/setup/nextcloud.sh
index c4b96f85..72b615aa 100755
--- a/setup/nextcloud.sh
+++ b/setup/nextcloud.sh
@@ -311,6 +311,9 @@ hide_output sudo -u www-data php /usr/local/lib/owncloud/console.php app:enable
 sudo -u www-data php /usr/local/lib/owncloud/occ upgrade
 if [ \( $? -ne 0 \) -a \( $? -ne 3 \) ]; then exit 1; fi
 
+# Disable default apps that we don't support
+sudo -u www-data php /usr/local/lib/owncloud/occ app:disable photos dashboard activity
+
 # Set PHP FPM values to support large file uploads
 # (semicolon is the comment character in this file, hashes produce deprecation warnings)
 tools/editconf.py /etc/php/7.2/fpm/php.ini -c ';' \