diff --git a/src/Kontext.Presentation/GitChangeRow.cs b/src/Kontext.Presentation/GitChangeRow.cs
index 5e1a591..4afc0cf 100644
--- a/src/Kontext.Presentation/GitChangeRow.cs
+++ b/src/Kontext.Presentation/GitChangeRow.cs
@@ -39,17 +39,23 @@ public bool InitiallyChecked
     /// <summary>Told when the user checks or unchecks the row.</summary>
     public Action<GitChangeRow, bool>? Toggled { get; init; }
 
-    public string StatusLetter => Change?.Status switch
+    public string StatusGlyph => Change?.Status switch
     {
-        FileChangeStatus.Modified => "M",
         // A new file is "+", staged or not.
         FileChangeStatus.Added or FileChangeStatus.Untracked => "+",
-        FileChangeStatus.Deleted => "D",
-        FileChangeStatus.Renamed => "R",
+        FileChangeStatus.Modified or FileChangeStatus.Renamed => "●",
+        FileChangeStatus.Deleted => "−",
         FileChangeStatus.Conflicted => "!",
         _ => string.Empty,
     };
 
+    public bool IsAddedGlyph => Change?.Status is FileChangeStatus.Added or FileChangeStatus.Untracked;
+
+    public bool IsChangedGlyph => Change?.Status is FileChangeStatus.Modified or FileChangeStatus.Renamed;
+
+    /// <summary>Drawn in the critical colour: deleted files, and conflicted ones since they need attention.</summary>
+    public bool IsRemovedGlyph => Change?.Status is FileChangeStatus.Deleted or FileChangeStatus.Conflicted;
+
     public string FileName => Change is null ? string.Empty : Change.Path[(Change.Path.LastIndexOf('/') + 1)..];
 
     public string Folder => Change is null ? string.Empty : Change.Path[..Math.Max(Change.Path.LastIndexOf('/'), 0)];
diff --git a/src/Kontext.Presentation/IssueSidebarViewModel.cs b/src/Kontext.Presentation/IssueSidebarViewModel.cs
index c4653da..8c080b0 100644
--- a/src/Kontext.Presentation/IssueSidebarViewModel.cs
+++ b/src/Kontext.Presentation/IssueSidebarViewModel.cs
@@ -373,8 +373,33 @@ private void OnGroupExpandedChanged(RepositoryGroupViewModel group)
         _collapsedRepositories.Save(_collapsed);
     }
 
+    private void ForgetClearedWorkspaces(IReadOnlyList<ExistingWorkspace> workspaces)
+    {
+        var existing = workspaces.Select(workspace => workspace.Issue).ToHashSet();
+
+        foreach (var item in _all.ToList())
+        {
+            if (existing.Contains(item.Key))
+            {
+                continue;
+            }
+
+            var state = _tracker.StateOf(item.Key);
+            if (state.Status is IssueWorkStatus.Ready or IssueWorkStatus.Done && state.WorktreePath is not null)
+            {
+                _tracker.Report(item.Key, IssueWorkState.NotStarted);
+            }
+            else if (state.Status == IssueWorkStatus.NotStarted)
+            {
+                item.HasSavedSession = false;
+            }
+        }
+    }
+
     private void MarkExistingWorkspaces(IReadOnlyList<ExistingWorkspace> workspaces)
     {
+        ForgetClearedWorkspaces(workspaces);
+
         foreach (var workspace in workspaces)
         {
             if (!_itemsByKey.TryGetValue(workspace.Issue, out var item))
diff --git a/src/Kontext/Views/GitChangesView.xaml b/src/Kontext/Views/GitChangesView.xaml
index 66ead98..93e0016 100644
--- a/src/Kontext/Views/GitChangesView.xaml
+++ b/src/Kontext/Views/GitChangesView.xaml
@@ -102,12 +102,26 @@
                     AutomationProperties.AutomationId="GitFileCheck"
                     AutomationProperties.Name="{x:Bind Text}"
                     IsChecked="{x:Bind IsChecked, Mode=TwoWay}" />
-                <TextBlock
-                    Grid.Column="1"
-                    VerticalAlignment="Center"
-                    FontFamily="Consolas"
-                    Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                    Text="{x:Bind StatusLetter}" />
+                <Grid Grid.Column="1" VerticalAlignment="Center">
+                    <TextBlock
+                        HorizontalAlignment="Center"
+                        FontWeight="Bold"
+                        Foreground="{ThemeResource SystemFillColorSuccessBrush}"
+                        Text="{x:Bind StatusGlyph}"
+                        Visibility="{x:Bind IsAddedGlyph}" />
+                    <TextBlock
+                        HorizontalAlignment="Center"
+                        FontWeight="Bold"
+                        Foreground="{ThemeResource SystemFillColorCautionBrush}"
+                        Text="{x:Bind StatusGlyph}"
+                        Visibility="{x:Bind IsChangedGlyph}" />
+                    <TextBlock
+                        HorizontalAlignment="Center"
+                        FontWeight="Bold"
+                        Foreground="{ThemeResource SystemFillColorCriticalBrush}"
+                        Text="{x:Bind StatusGlyph}"
+                        Visibility="{x:Bind IsRemovedGlyph}" />
+                </Grid>
                 <TextBlock
                     Grid.Column="2"
                     VerticalAlignment="Center"
diff --git a/tests/Kontext.Presentation.UnitTests/GitChangeRowTests.cs b/tests/Kontext.Presentation.UnitTests/GitChangeRowTests.cs
index b406d51..5b5f6f5 100644
--- a/tests/Kontext.Presentation.UnitTests/GitChangeRowTests.cs
+++ b/tests/Kontext.Presentation.UnitTests/GitChangeRowTests.cs
@@ -8,15 +8,20 @@ public class GitChangeRowTests
     private static GitChangeRow File(string path = "src/Views/Foo.cs", FileChangeStatus status = FileChangeStatus.Modified, int? additions = 12, int? deletions = 3)
         => new(path, new FileChange(path, null, status, IsStaged: false, additions, deletions, IsBinary: false));
 
-    [TestCase(FileChangeStatus.Modified, "M")]
-    [TestCase(FileChangeStatus.Added, "+")]
-    [TestCase(FileChangeStatus.Deleted, "D")]
-    [TestCase(FileChangeStatus.Renamed, "R")]
-    [TestCase(FileChangeStatus.Untracked, "+")]
-    [TestCase(FileChangeStatus.Conflicted, "!")]
-    public void ShowsTheStatusLetterForEachStatus(FileChangeStatus status, string letter)
+    [TestCase(FileChangeStatus.Added, "+", true, false, false)]
+    [TestCase(FileChangeStatus.Untracked, "+", true, false, false)]
+    [TestCase(FileChangeStatus.Modified, "●", false, true, false)]
+    [TestCase(FileChangeStatus.Renamed, "●", false, true, false)]
+    [TestCase(FileChangeStatus.Deleted, "−", false, false, true)]
+    [TestCase(FileChangeStatus.Conflicted, "!", false, false, true)]
+    public void ShowsAColouredGlyphForEachStatus(FileChangeStatus status, string glyph, bool added, bool changed, bool removed)
     {
-        Assert.That(File(status: status).StatusLetter, Is.EqualTo(letter));
+        var row = File(status: status);
+
+        Assert.That(row.StatusGlyph, Is.EqualTo(glyph));
+        Assert.That(row.IsAddedGlyph, Is.EqualTo(added));
+        Assert.That(row.IsChangedGlyph, Is.EqualTo(changed));
+        Assert.That(row.IsRemovedGlyph, Is.EqualTo(removed));
     }
 
     [Test]
@@ -54,7 +59,8 @@ public void AHeaderRowHasNoFile()
 
         Assert.That(header.IsHeader, Is.True);
         Assert.That(header.Text, Is.EqualTo("Staged (1)"));
-        Assert.That(header.StatusLetter, Is.Empty);
+        Assert.That(header.StatusGlyph, Is.Empty);
+        Assert.That(header.IsAddedGlyph || header.IsChangedGlyph || header.IsRemovedGlyph, Is.False);
         Assert.That(header.HasCounts, Is.False);
         Assert.That(File().IsHeader, Is.False);
     }
diff --git a/tests/Kontext.Presentation.UnitTests/IssueSidebarAutoRefreshTests.cs b/tests/Kontext.Presentation.UnitTests/IssueSidebarAutoRefreshTests.cs
index db0a3d3..81f5f32 100644
--- a/tests/Kontext.Presentation.UnitTests/IssueSidebarAutoRefreshTests.cs
+++ b/tests/Kontext.Presentation.UnitTests/IssueSidebarAutoRefreshTests.cs
@@ -12,6 +12,7 @@ public class IssueSidebarAutoRefreshTests
     private FakeTimeProvider _clock = null!;
     private InMemoryIssueWorkTracker _tracker = null!;
     private FakeGitHubService _gitHub = null!;
+    private FakeExistingWorkspaceFinder _workspaces = null!;
     private IssueSidebarViewModel? _sidebar;
 
     [SetUp]
@@ -20,6 +21,7 @@ public void Setup()
         _clock = new FakeTimeProvider();
         _tracker = new InMemoryIssueWorkTracker();
         _gitHub = new FakeGitHubService { Issues = [Issues.Create(4, "Add notifications", "acme/memento")] };
+        _workspaces = new FakeExistingWorkspaceFinder();
     }
 
     [TearDown]
@@ -29,7 +31,7 @@ private IssueSidebarViewModel CreateSidebar(TimeSpan interval) =>
         _sidebar = new(
             _gitHub,
             _tracker,
-            new FakeExistingWorkspaceFinder(),
+            _workspaces,
             new WorkspaceIssues(_gitHub),
             new InMemoryHiddenRepositoryStore(),
             new InMemoryCollapsedRepositoryStore(),
@@ -97,6 +99,21 @@ public async Task DoesNotRefreshWhenTheIntervalIsZero()
         Assert.That(IssueCount(sidebar), Is.EqualTo(1));
     }
 
+    [Test]
+    public async Task NoticesWhenASessionIsClearedElsewhere()
+    {
+        var issue = _gitHub.Issues[0];
+        _workspaces.Found.Add(new ExistingWorkspace(issue.Repository, issue.Number, new WorktreeInfo(@"C:\wt\4", "kontext/4-add", "abc", IsMain: false)));
+        var sidebar = CreateSidebar(Interval);
+        await sidebar.RefreshCommand.ExecuteAsync(null);
+        Assert.That(_tracker.StateOf(issue.Key).Status, Is.EqualTo(IssueWorkStatus.Ready));
+
+        _workspaces.Found.Clear();
+        _clock.Advance(Interval);
+
+        await AsyncAssert.EventuallyAsync(() => _tracker.StateOf(issue.Key).Status == IssueWorkStatus.NotStarted, "the cleared session to be noticed");
+    }
+
     [Test]
     public async Task StopsRefreshingAfterSignOut()
     {