diff --git a/apps/files_external/lib/dropbox.php b/apps/files_external/lib/dropbox.php
index 8381ccbae5..bfddc98f5a 100644
--- a/apps/files_external/lib/dropbox.php
+++ b/apps/files_external/lib/dropbox.php
@@ -32,6 +32,7 @@ namespace OC\Files\Storage;
 use GuzzleHttp\Exception\RequestException;
 use Icewind\Streams\IteratorDirectory;
 use Icewind\Streams\RetryWrapper;
+use OCP\Files\StorageNotAvailableException;
 
 require_once __DIR__ . '/../3rdparty/Dropbox/autoload.php';
 
@@ -94,6 +95,8 @@ class Dropbox extends \OC\Files\Storage\Common {
 			if ($list) {
 				try {
 					$response = $this->dropbox->getMetaData($path);
+				} catch (\Dropbox_Exception_Forbidden $e) {
+					throw new StorageNotAvailableException('Dropbox API rate limit exceeded', StorageNotAvailableException::STATUS_ERROR, $e);
 				} catch (\Exception $exception) {
 					\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
 					return false;
@@ -127,6 +130,8 @@ class Dropbox extends \OC\Files\Storage\Common {
 						return $response;
 					}
 					return null;
+				} catch (\Dropbox_Exception_Forbidden $e) {
+					throw new StorageNotAvailableException('Dropbox API rate limit exceeded', StorageNotAvailableException::STATUS_ERROR, $e);
 				} catch (\Exception $exception) {
 					if ($exception instanceof \Dropbox_Exception_NotFound) {
 						// don't log, might be a file_exist check
diff --git a/apps/files_sharing/appinfo/app.php b/apps/files_sharing/appinfo/app.php
index 29202c15b2..628921c324 100644
--- a/apps/files_sharing/appinfo/app.php
+++ b/apps/files_sharing/appinfo/app.php
@@ -41,8 +41,6 @@ $l = \OC::$server->getL10N('files_sharing');
 \OC::$CLASSPATH['OCA\Files\Share\Maintainer'] = 'files_sharing/lib/maintainer.php';
 \OC::$CLASSPATH['OCA\Files\Share\Proxy'] = 'files_sharing/lib/proxy.php';
 
-$application = new Application();
-$application->registerMountProviders();
 
 \OCP\App::registerAdmin('files_sharing', 'settings-admin');
 \OCP\App::registerPersonal('files_sharing', 'settings-personal');
@@ -52,6 +50,9 @@ $application->registerMountProviders();
 \OCP\Share::registerBackend('file', 'OC_Share_Backend_File');
 \OCP\Share::registerBackend('folder', 'OC_Share_Backend_Folder', 'file');
 
+$application = new Application();
+$application->registerMountProviders();
+
 $eventDispatcher = \OC::$server->getEventDispatcher();
 $eventDispatcher->addListener(
 	'OCA\Files::loadAdditionalScripts',
diff --git a/apps/files_sharing/lib/helper.php b/apps/files_sharing/lib/helper.php
index ee6af9939e..612df1b207 100644
--- a/apps/files_sharing/lib/helper.php
+++ b/apps/files_sharing/lib/helper.php
@@ -302,19 +302,23 @@ class Helper {
 	/**
 	 * get default share folder
 	 *
+	 * @param \OC\Files\View
 	 * @return string
 	 */
-	public static function getShareFolder() {
+	public static function getShareFolder($view = null) {
+		if ($view === null) {
+			$view = Filesystem::getView();
+		}
 		$shareFolder = \OC::$server->getConfig()->getSystemValue('share_folder', '/');
 		$shareFolder = Filesystem::normalizePath($shareFolder);
 
-		if (!Filesystem::file_exists($shareFolder)) {
+		if (!$view->file_exists($shareFolder)) {
 			$dir = '';
 			$subdirs = explode('/', $shareFolder);
 			foreach ($subdirs as $subdir) {
 				$dir = $dir . '/' . $subdir;
-				if (!Filesystem::is_dir($dir)) {
-					Filesystem::mkdir($dir);
+				if (!$view->is_dir($dir)) {
+					$view->mkdir($dir);
 				}
 			}
 		}
diff --git a/apps/files_sharing/lib/sharedmount.php b/apps/files_sharing/lib/sharedmount.php
index 1e554cc594..3a65794b60 100644
--- a/apps/files_sharing/lib/sharedmount.php
+++ b/apps/files_sharing/lib/sharedmount.php
@@ -75,7 +75,7 @@ class SharedMount extends MountPoint implements MoveableMount {
 		$parent = dirname($share['file_target']);
 
 		if (!$this->recipientView->is_dir($parent)) {
-			$parent = Helper::getShareFolder();
+			$parent = Helper::getShareFolder($this->recipientView);
 		}
 
 		$newMountPoint = \OCA\Files_Sharing\Helper::generateUniqueTarget(
diff --git a/build/integration/composer.json b/build/integration/composer.json
index a9516391a4..29f73f2064 100644
--- a/build/integration/composer.json
+++ b/build/integration/composer.json
@@ -4,6 +4,6 @@
     "behat/behat": "^3.0",
     "guzzlehttp/guzzle": "~5.0",
     "jarnaiz/behat-junit-formatter": "^1.3",
-    "sabre/dav": "3.0.x-dev"    
+    "sabre/dav": "3.0.9"
   }
 }
diff --git a/core/command/maintenance/install.php b/core/command/maintenance/install.php
index b1b63b9b3b..12a61d6341 100644
--- a/core/command/maintenance/install.php
+++ b/core/command/maintenance/install.php
@@ -106,7 +106,12 @@ class Install extends Command {
 		$dbUser = $input->getOption('database-user');
 		$dbPass = $input->getOption('database-pass');
 		$dbName = $input->getOption('database-name');
-		$dbHost = $input->getOption('database-host');
+		if ($db === 'oci') {
+			// an empty hostname needs to be read from the raw parameters
+			$dbHost = $input->getParameterOption('--database-host', '');
+		} else {
+			$dbHost = $input->getOption('database-host');
+		}
 		$dbTablePrefix = 'oc_';
 		if ($input->hasParameterOption('--database-table-prefix')) {
 			$dbTablePrefix = (string) $input->getOption('database-table-prefix');
diff --git a/core/css/styles.css b/core/css/styles.css
index 4a25247d23..830ff4bacb 100644
--- a/core/css/styles.css
+++ b/core/css/styles.css
@@ -365,26 +365,26 @@ body {
 }
 #body-login .grouptop input,
 .grouptop input {
-	margin-bottom: 0;
-	border-bottom: 0;
-	border-bottom-left-radius: 0;
-	border-bottom-right-radius: 0;
+	margin-bottom: 0 !important;
+	border-bottom: 0 !important;
+	border-bottom-left-radius: 0 !important;
+	border-bottom-right-radius: 0 !important;
 }
 #body-login .groupmiddle input,
 .groupmiddle input {
-	margin-top: 0;
-	margin-bottom: 0;
-	border-top: 0;
-	border-bottom: 0;
-	border-radius: 0;
+	margin-top: 0 !important;
+	margin-bottom: 0 !important;
+	border-top: 0 !important;
+	border-bottom: 0 !important;
+	border-radius: 0 !important;
 	box-shadow: 0 1px 0 rgba(0,0,0,.1) inset !important;
 }
 #body-login .groupbottom input,
 .groupbottom input {
-	margin-top: 0;
-	border-top: 0;
-	border-top-right-radius: 0;
-	border-top-left-radius: 0;
+	margin-top: 0 !important;
+	border-top: 0 !important;
+	border-top-right-radius: 0 !important;
+	border-top-left-radius: 0 !important;
 	box-shadow: 0 1px 0 rgba(0,0,0,.1) inset !important;
 }
 #body-login .groupbottom input[type=submit] {
diff --git a/lib/private/allconfig.php b/lib/private/allconfig.php
index b4888fde02..e982b06473 100644
--- a/lib/private/allconfig.php
+++ b/lib/private/allconfig.php
@@ -27,6 +27,7 @@
  */
 
 namespace OC;
+use OC\Cache\CappedMemoryCache;
 use OCP\IDBConnection;
 use OCP\PreConditionNotMetException;
 
@@ -58,14 +59,15 @@ class AllConfig implements \OCP\IConfig {
 	 *   - deleteAllUserValues
 	 *   - deleteAppFromAllUsers
 	 *
-	 * @var array $userCache
+	 * @var CappedMemoryCache $userCache
 	 */
-	private $userCache = array();
+	private $userCache;
 
 	/**
 	 * @param SystemConfig $systemConfig
 	 */
 	function __construct(SystemConfig $systemConfig) {
+		$this->userCache = new CappedMemoryCache();
 		$this->systemConfig = $systemConfig;
 	}
 
diff --git a/lib/private/encryption/file.php b/lib/private/encryption/file.php
index ec55c2cea0..bd045c2029 100644
--- a/lib/private/encryption/file.php
+++ b/lib/private/encryption/file.php
@@ -22,6 +22,8 @@
 
 namespace OC\Encryption;
 
+use OC\Cache\CappedMemoryCache;
+
 class File implements \OCP\Encryption\IFile {
 
 	/** @var Util */
@@ -36,6 +38,7 @@ class File implements \OCP\Encryption\IFile {
 
 	public function __construct(Util $util) {
 		$this->util = $util;
+		$this->cache = new CappedMemoryCache();
 	}
 
 
diff --git a/lib/private/files/config/usermountcache.php b/lib/private/files/config/usermountcache.php
index 78b1997278..76281ef62e 100644
--- a/lib/private/files/config/usermountcache.php
+++ b/lib/private/files/config/usermountcache.php
@@ -35,6 +35,7 @@ use OCP\IDBConnection;
 use OCP\ILogger;
 use OCP\IUser;
 use OCP\IUserManager;
+use OC\Cache\CappedMemoryCache;
 
 /**
  * Cache mounts points per user in the cache so we can easilly look them up
@@ -50,15 +51,23 @@ class UserMountCache implements IUserMountCache {
 	 */
 	private $userManager;
 
-	/** @var ICachedMountInfo[][] [$userId => [$cachedMountInfo, ....], ...] */
-	private $mountsForUsers = [];
+	/**
+	 * Cached mount info.
+	 * Map of $userId to ICachedMountInfo.
+	 *
+	 * @var ICache
+	 **/
+	private $mountsForUsers;
 
 	/**
 	 * @var ILogger
 	 */
 	private $logger;
 
-	private $cacheInfoCache = [];
+	/**
+	 * @var ICache
+	 */
+	private $cacheInfoCache;
 
 	/**
 	 * UserMountCache constructor.
@@ -71,6 +80,8 @@ class UserMountCache implements IUserMountCache {
 		$this->connection = $connection;
 		$this->userManager = $userManager;
 		$this->logger = $logger;
+		$this->cacheInfoCache = new CappedMemoryCache();
+		$this->mountsForUsers = new CappedMemoryCache();
 	}
 
 	public function registerMounts(IUser $user, array $mounts) {
diff --git a/lib/private/share20/manager.php b/lib/private/share20/manager.php
index 06d4029bec..35a019b233 100644
--- a/lib/private/share20/manager.php
+++ b/lib/private/share20/manager.php
@@ -907,6 +907,11 @@ class Manager implements IManager {
 					break;
 				}
 
+				// If there was no limit on the select we are done
+				if ($limit === -1) {
+					break;
+				}
+
 				$offset += $added;
 
 				// Fetch again $limit shares
diff --git a/ocs/v1.php b/ocs/v1.php
index 32fcfdd46d..74b6ac1389 100644
--- a/ocs/v1.php
+++ b/ocs/v1.php
@@ -43,6 +43,8 @@ use Symfony\Component\Routing\Exception\ResourceNotFoundException;
 use Symfony\Component\Routing\Exception\MethodNotAllowedException;
 
 try {
+	OC_App::loadApps(['session']);
+	OC_App::loadApps(['authentication']);
 	// load all apps to get all api routes properly setup
 	OC_App::loadApps();
 
diff --git a/settings/js/users/users.js b/settings/js/users/users.js
index 02d3a25be7..eb041054cd 100644
--- a/settings/js/users/users.js
+++ b/settings/js/users/users.js
@@ -14,7 +14,7 @@ var UserList = {
 	availableGroups: [],
 	offset: 0,
 	usersToLoad: 10, //So many users will be loaded when user scrolls down
-	initialUsersToLoad: 250, //initial number of users to load
+	initialUsersToLoad: 50, //initial number of users to load
 	currentGid: '',
 	filter: '',