diff --git a/.github/workflows/run_unit_tests.yml b/.github/workflows/run_unit_tests.yml
index 8bbe0776..3fd1655a 100644
--- a/.github/workflows/run_unit_tests.yml
+++ b/.github/workflows/run_unit_tests.yml
@@ -20,7 +20,7 @@ jobs:
         dotnet-version: '7.0.101'
     
     - name: Install wasm-tools
-      run: dotnet workload install wasm-tools
+      run: dotnet workload install wasm-tools-net7
       
     # Only publish when unit tests are ok
     - name: Run Unit Tests
diff --git a/AudioCuesheetEditor/Model/IO/Import/TextImportScheme.cs b/AudioCuesheetEditor/Model/IO/Import/TextImportScheme.cs
index 2f403e00..752ba3e1 100644
--- a/AudioCuesheetEditor/Model/IO/Import/TextImportScheme.cs
+++ b/AudioCuesheetEditor/Model/IO/Import/TextImportScheme.cs
@@ -70,7 +70,7 @@ static TextImportScheme()
         }
 
         public static readonly String DefaultSchemeCuesheet = @"(?'Cuesheet.Artist'\A.*) - (?'Cuesheet.Title'\w{1,})\t{1,}(?'Cuesheet.Audiofile'.{1,})";
-        public static readonly String DefaultSchemeTracks = @"(?'Track.Artist'[a-zA-Z0-9_ .();äöü&:,'*-]{1,}) - (?'Track.Title'[a-zA-Z0-9_ .();äöü&'*-]{1,})\t{0,}(?'Track.End'.{1,})";
+        public static readonly String DefaultSchemeTracks = @"(?'Track.Artist'[a-zA-Z0-9_ .();äöü&:,'*-?:]{1,}) - (?'Track.Title'[a-zA-Z0-9_ .();äöü&'*-?:]{1,})\t{0,}(?'Track.End'.{1,})";
 
         public static readonly TextImportScheme DefaultTextImportScheme = new()
         { 
diff --git a/AudioCuesheetEditor/Shared/TracksTable.razor b/AudioCuesheetEditor/Shared/TracksTable.razor
index d1d3600b..4d0f7864 100644
--- a/AudioCuesheetEditor/Shared/TracksTable.razor
+++ b/AudioCuesheetEditor/Shared/TracksTable.razor
@@ -745,7 +745,8 @@ along with Foobar.  If not, see
         {
             foreach (var trackCurrentlyAttached in TracksAttachedToValidateablePropertyChanged)
             {
-                trackCurrentlyAttached.ValidateablePropertyChanged -= Track_ValidateablePropertyChanged;            }
+                trackCurrentlyAttached.ValidateablePropertyChanged -= Track_ValidateablePropertyChanged;            
+            }
         }
         else
         {
@@ -759,6 +760,7 @@ along with Foobar.  If not, see
         {
             validations.ValidateAll().GetAwaiter().GetResult();
         }
+        StateHasChanged();
     }
 
     void AttachCuesheetToSplitPointsAddedRemoved()