diff --git a/app/build.gradle b/app/build.gradle
index aaa215ce..2a6c4e95 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,11 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
 
     defaultConfig {
-        minSdkVersion 15
-        targetSdkVersion 31
+        minSdkVersion 21
+        targetSdkVersion 33
         versionCode 242
         versionName '2.5.22'
 
@@ -80,26 +80,27 @@ android {
 
 dependencies {
     // Android support
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.preference:preference:1.1.1'
+    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'androidx.preference:preference:1.2.0'
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.7.0'
 
     // Other
-    implementation 'org.androidannotations:androidannotations-api:4.7.0'
-    implementation 'org.androidannotations:ormlite-api:4.7.0'
-    implementation 'com.j256.ormlite:ormlite-core:5.1'
-    implementation 'com.j256.ormlite:ormlite-android:5.1'
+    implementation 'org.androidannotations:androidannotations-api:4.8.0'
+    implementation 'org.androidannotations:ormlite-api:4.8.0'
+    implementation 'com.j256.ormlite:ormlite-android:6.1'
     implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
     implementation 'com.getbase:floatingactionbutton:1.10.1'
     implementation 'com.nispok:snackbar:2.11.0'
-    implementation 'org.apache.openjpa:openjpa-lib:3.1.1'
+    implementation 'org.apache.openjpa:openjpa-lib:3.2.2'
     implementation 'net.iharder:base64:2.3.9'
     implementation('com.github.afollestad.material-dialogs:core:0.9.6.0@aar') {
         transitive = true
     }
     implementation 'androidx.work:work-runtime:2.7.1'
+    implementation "androidx.lifecycle:lifecycle-viewmodel:2.5.1"
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1"
 
-    annotationProcessor 'org.androidannotations:androidannotations:4.7.0'
-    annotationProcessor 'org.androidannotations:ormlite:4.7.0'
+    annotationProcessor 'org.androidannotations:androidannotations:4.8.0'
+    annotationProcessor 'org.androidannotations:ormlite:4.8.0'
 }
diff --git a/app/src/main/java/org/transdroid/daemon/Label.java b/app/src/main/java/org/transdroid/daemon/Label.java
index a3409cb7..23f881ea 100644
--- a/app/src/main/java/org/transdroid/daemon/Label.java
+++ b/app/src/main/java/org/transdroid/daemon/Label.java
@@ -69,6 +69,12 @@ public final class Label implements Parcelable, Comparable<Label> {
         return name.compareTo(another.getName());
     }
 
+    @Override
+    public boolean equals(Object another) {
+        // compare names
+        return name.equals(((Label) another).getName());
+    }
+
     @Override
     public int describeContents() {
         return 0;
diff --git a/app/src/main/java/org/transdroid/daemon/adapters/bitComet/BitCometAdapter.java b/app/src/main/java/org/transdroid/daemon/adapters/bitComet/BitCometAdapter.java
index f02619bf..36325fbd 100644
--- a/app/src/main/java/org/transdroid/daemon/adapters/bitComet/BitCometAdapter.java
+++ b/app/src/main/java/org/transdroid/daemon/adapters/bitComet/BitCometAdapter.java
@@ -136,6 +136,8 @@ public class BitCometAdapter implements IDaemonAdapter {
                             return new RetrieveTaskSuccessResult((RetrieveTask) task, parseXmlTorrents(xmlResult),
                                     null);
                         }
+                    } catch (DaemonException e) {
+                        throw e;
                     } catch (Exception e) {
                         // it's probably an old client, parse HTML instead
                         String htmlResult = makeRequest(log, "/panel/task_list");
@@ -243,7 +245,7 @@ public class BitCometAdapter implements IDaemonAdapter {
                             task.getMethod() + " is not supported by " + getType()));
             }
         } catch (DaemonException e) {
-            return new DaemonTaskFailureResult(task, new DaemonException(ExceptionType.ParsingFailed, e.toString()));
+            return new DaemonTaskFailureResult(task, e);
         }
     }
 
@@ -290,6 +292,10 @@ public class BitCometAdapter implements IDaemonAdapter {
 
             // Make the request
             HttpResponse response = httpclient.execute(new HttpGet(buildWebUIUrl(url)));
+            int statusCode = response.getStatusLine().getStatusCode();
+            if (statusCode == 401 || statusCode == 403) {
+                throw new DaemonException(ExceptionType.AuthenticationFailure, "Response code " + statusCode);
+            }
             HttpEntity entity = response.getEntity();
             if (entity != null) {
 
@@ -309,6 +315,9 @@ public class BitCometAdapter implements IDaemonAdapter {
             throw new DaemonException(ExceptionType.ConnectionError, e.toString());
         } catch (Exception e) {
             log.d(LOG_NAME, "Error: " + e.toString());
+            if (e instanceof DaemonException) {
+                throw (DaemonException) e;
+            }
             throw new DaemonException(ExceptionType.ConnectionError, e.toString());
         }
 
diff --git a/app/src/main/java/org/transdroid/daemon/adapters/qBittorrent/QBittorrentAdapter.java b/app/src/main/java/org/transdroid/daemon/adapters/qBittorrent/QBittorrentAdapter.java
index b55e1a31..b3d52f7c 100644
--- a/app/src/main/java/org/transdroid/daemon/adapters/qBittorrent/QBittorrentAdapter.java
+++ b/app/src/main/java/org/transdroid/daemon/adapters/qBittorrent/QBittorrentAdapter.java
@@ -94,6 +94,8 @@ public class QBittorrentAdapter implements IDaemonAdapter {
     private int qbLowPriority = 1;
     private int qbNormalPriority = 2;
     private int qbHighPriority = 7;
+    // a cache of all labels on the server
+    private List<Label> labelList;
 
     public QBittorrentAdapter(DaemonSettings settings) {
         this.settings = settings;
@@ -245,7 +247,7 @@ public class QBittorrentAdapter implements IDaemonAdapter {
                     if (allLabelsResult == null) {
                         allLabelsResult = new JSONArray();
                     }
-                    final List<Label> labelList = parseJsonLabels(allLabelsResult, allTorrentsResult);
+                    labelList = parseJsonLabels(allLabelsResult, allTorrentsResult);
                     return new RetrieveTaskSuccessResult((RetrieveTask) task, torrentsList, labelList);
 
                 case GetTorrentDetails:
@@ -446,6 +448,20 @@ public class QBittorrentAdapter implements IDaemonAdapter {
                 case SetLabel:
 
                     SetLabelTask labelTask = (SetLabelTask) task;
+                    String newLabel = labelTask.getNewLabel();
+                    if (version >= 30200) {
+                        if (!labelList.contains(new Label(newLabel, 0))) {
+                            // create new label on server side
+                            if (version >= 40100) {
+                                path = "/api/v2/torrents/createCategory";
+                            } else {
+                                path = "/command/addCategory";
+                            }
+                            makeRequest(log, path,
+                                    new BasicNameValuePair("category", newLabel));
+                        }
+                    }
+
                     if (version >= 40100) {
                         path = "/api/v2/torrents/setCategory";
                     } else {
@@ -453,7 +469,7 @@ public class QBittorrentAdapter implements IDaemonAdapter {
                     }
                     makeRequest(log, path,
                             new BasicNameValuePair("hashes", task.getTargetTorrent().getUniqueID()),
-                            new BasicNameValuePair("category", labelTask.getNewLabel()));
+                            new BasicNameValuePair("category", newLabel));
                     return new DaemonTaskSuccessResult(task);
 
                 case SetDownloadLocation: