Release: dev → main (Feb 13 2026)

.github/workflows/check-pr-branch.yml

@@ -0,0 +1,21 @@
+name: Check pull request target branch
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - edited
+jobs:
+  check-branches:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check branches
+        env:
+          HEAD_REF: ${{ github.head_ref }}
+          BASE_REF: ${{ github.base_ref }}
+        run: |
+          if [ "$HEAD_REF" != "dev" ] && [ "$BASE_REF" == "main" ]; then
+            echo "::error::Pull requests to main are only allowed from dev. Please target the dev branch instead."
+            exit 1
+          fi

Dashboard/AboutWindow.xaml

@@ -43,13 +43,12 @@
                     Check for Updates
                 </Hyperlink>
             </TextBlock>
+            <TextBlock x:Name="UpdateStatusText" FontSize="11" Foreground="{DynamicResource ForegroundMutedBrush}" Margin="0,3,0,0" Visibility="Collapsed"/>
         </StackPanel>
 
-        <!-- Credits -->
+        <!-- Links -->
         <StackPanel Grid.Row="4">
-            <TextBlock Text="Credits" FontWeight="Bold" Margin="0,0,0,5"/>
-            <TextBlock Text="Created by Erik Darling" FontSize="12"/>
-            <TextBlock FontSize="12" Margin="0,5,0,0">
+            <TextBlock FontSize="12">
                 <Hyperlink x:Name="DarlingDataLink" Click="DarlingDataLink_Click">
                     www.erikdarling.com
                 </Hyperlink>

Dashboard/AboutWindow.xaml.cs

@@ -7,6 +7,7 @@
 using System.Diagnostics;
 using System.Reflection;
 using System.Windows;
+using PerformanceMonitorDashboard.Services;
 
 namespace PerformanceMonitorDashboard
 {
@@ -17,6 +18,8 @@ public partial class AboutWindow : Window
         private const string ReleasesUrl = "https://github.com/erikdarlingdata/PerformanceMonitor/releases";
         private const string DarlingDataUrl = "https://www.erikdarling.com";
 
+        private string? _updateReleaseUrl;
+
         public AboutWindow()
         {
             InitializeComponent();
@@ -39,9 +42,37 @@ private void ReportIssueLink_Click(object sender, RoutedEventArgs e)
             OpenUrl(IssuesUrl);
         }
 
-        private void CheckUpdatesLink_Click(object sender, RoutedEventArgs e)
+        private async void CheckUpdatesLink_Click(object sender, RoutedEventArgs e)
+        {
+            UpdateStatusText.Text = "Checking for updates...";
+            UpdateStatusText.Visibility = Visibility.Visible;
+
+            var result = await UpdateCheckService.CheckForUpdateAsync(bypassCache: true);
+
+            if (result == null)
+            {
+                UpdateStatusText.Text = "Unable to check for updates. Please try again later.";
+            }
+            else if (result.IsUpdateAvailable)
+            {
+                _updateReleaseUrl = result.ReleaseUrl;
+                UpdateStatusText.Text = $"Update available: {result.LatestVersion} (you have {result.CurrentVersion})";
+                UpdateStatusText.Cursor = System.Windows.Input.Cursors.Hand;
+                UpdateStatusText.MouseLeftButtonUp += UpdateStatusText_Click;
+                UpdateStatusText.TextDecorations = System.Windows.TextDecorations.Underline;
+                UpdateStatusText.Foreground = FindResource("AccentBrush") as System.Windows.Media.Brush
+                    ?? System.Windows.Media.Brushes.DodgerBlue;
+            }
+            else
+            {
+                UpdateStatusText.Text = $"You're up to date ({result.CurrentVersion})";
+            }
+        }
+
+        private void UpdateStatusText_Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
         {
-            OpenUrl(ReleasesUrl);
+            if (!string.IsNullOrEmpty(_updateReleaseUrl))
+                OpenUrl(_updateReleaseUrl);
         }
 
         private void DarlingDataLink_Click(object sender, RoutedEventArgs e)

Dashboard/App.xaml.cs

@@ -65,6 +65,7 @@ protected override void OnExit(ExitEventArgs e)
             base.OnExit(e);
         }
 
+
         private void OnUnhandledException(object sender, UnhandledExceptionEventArgs e)
         {
             var exception = e.ExceptionObject as Exception;

Dashboard/Controls/LandingPage.xaml

@@ -113,15 +113,15 @@
                 Padding="16,8">
             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                 <StackPanel Orientation="Horizontal" Margin="0,0,20,0">
-                    <Ellipse Width="10" Height="10" Fill="#22C55E" Margin="0,0,6,0"/>
+                    <Ellipse Width="10" Height="10" Fill="#81C784" Margin="0,0,6,0"/>
                     <TextBlock Text="Healthy" FontSize="11" Foreground="{DynamicResource ForegroundMutedBrush}"/>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Margin="0,0,20,0">
-                    <Ellipse Width="10" Height="10" Fill="#F59E0B" Margin="0,0,6,0"/>
+                    <Ellipse Width="10" Height="10" Fill="#FFD54F" Margin="0,0,6,0"/>
                     <TextBlock Text="Warning" FontSize="11" Foreground="{DynamicResource ForegroundMutedBrush}"/>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Margin="0,0,20,0">
-                    <Ellipse Width="10" Height="10" Fill="#EF4444" Margin="0,0,6,0"/>
+                    <Ellipse Width="10" Height="10" Fill="#E57373" Margin="0,0,6,0"/>
                     <TextBlock Text="Critical" FontSize="11" Foreground="{DynamicResource ForegroundMutedBrush}"/>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal">

Dashboard/Controls/MemoryContent.xaml.cs

@@ -213,26 +213,26 @@ private void LoadMemoryStatsOverviewChart(List<MemoryStatsItem> memoryData, int
 
                 var totalScatter = MemoryStatsOverviewChart.Plot.Add.Scatter(totalXs, totalYs);
                 totalScatter.LineWidth = 2;
-                totalScatter.MarkerSize = 0;
-                totalScatter.Color = ScottPlot.Colors.Gray;
+                totalScatter.MarkerSize = 5;
+                totalScatter.Color = TabHelpers.ChartColors[9];
                 totalScatter.LegendText = "Total Memory";
 
                 var bufferScatter = MemoryStatsOverviewChart.Plot.Add.Scatter(bufferXs, bufferYs);
                 bufferScatter.LineWidth = 2;
-                bufferScatter.MarkerSize = 0;
-                bufferScatter.Color = ScottPlot.Colors.Blue;
+                bufferScatter.MarkerSize = 5;
+                bufferScatter.Color = TabHelpers.ChartColors[0];
                 bufferScatter.LegendText = "Buffer Pool";
 
                 var cacheScatter = MemoryStatsOverviewChart.Plot.Add.Scatter(cacheXs, cacheYs);
                 cacheScatter.LineWidth = 2;
-                cacheScatter.MarkerSize = 0;
-                cacheScatter.Color = ScottPlot.Colors.Green;
+                cacheScatter.MarkerSize = 5;
+                cacheScatter.Color = TabHelpers.ChartColors[1];
                 cacheScatter.LegendText = "Plan Cache";
 
                 var availScatter = MemoryStatsOverviewChart.Plot.Add.Scatter(availXs, availYs);
                 availScatter.LineWidth = 2;
-                availScatter.MarkerSize = 0;
-                availScatter.Color = ScottPlot.Colors.Orange;
+                availScatter.MarkerSize = 5;
+                availScatter.Color = TabHelpers.ChartColors[2];
                 availScatter.LegendText = "Available Physical";
 
                 _legendPanels[MemoryStatsOverviewChart] = MemoryStatsOverviewChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
@@ -282,7 +282,7 @@ private void AddPressureWarningSpans(List<MemoryStatsItem> dataList)
 
                     if (item.BufferPoolPressureWarning && item.PlanCachePressureWarning)
                     {
-                        vline.Color = ScottPlot.Colors.Red.WithAlpha(0.5);
+                        vline.Color = TabHelpers.ChartColors[3].WithAlpha(0.5);
                         // Add legend entry for BP pressure (covers "both" case too)
                         if (!bpLegendAdded)
                         {
@@ -292,7 +292,7 @@ private void AddPressureWarningSpans(List<MemoryStatsItem> dataList)
                     }
                     else if (item.BufferPoolPressureWarning)
                     {
-                        vline.Color = ScottPlot.Colors.Red.WithAlpha(0.3);
+                        vline.Color = TabHelpers.ChartColors[3].WithAlpha(0.3);
                         if (!bpLegendAdded)
                         {
                             vline.LegendText = "BP Pressure";
@@ -301,7 +301,7 @@ private void AddPressureWarningSpans(List<MemoryStatsItem> dataList)
                     }
                     else
                     {
-                        vline.Color = ScottPlot.Colors.Orange.WithAlpha(0.3);
+                        vline.Color = TabHelpers.ChartColors[2].WithAlpha(0.3);
                         if (!pcLegendAdded)
                         {
                             vline.LegendText = "PC Pressure";
@@ -419,14 +419,14 @@ private void LoadMemoryGrantsChart(IEnumerable<MemoryGrantStatsItem> data, int h
             {
                 var grantedScatter = MemoryGrantsChart.Plot.Add.Scatter(grantedXs, grantedYs);
                 grantedScatter.LineWidth = 2;
-                grantedScatter.MarkerSize = 0;
-                grantedScatter.Color = ScottPlot.Colors.Blue;
+                grantedScatter.MarkerSize = 5;
+                grantedScatter.Color = TabHelpers.ChartColors[0];
                 grantedScatter.LegendText = "Granted MB";
 
                 var targetScatter = MemoryGrantsChart.Plot.Add.Scatter(targetXs, targetYs);
                 targetScatter.LineWidth = 2;
-                targetScatter.MarkerSize = 0;
-                targetScatter.Color = ScottPlot.Colors.Orange;
+                targetScatter.MarkerSize = 5;
+                targetScatter.Color = TabHelpers.ChartColors[2];
                 targetScatter.LegendText = "Target MB";
 
                 _legendPanels[MemoryGrantsChart] = MemoryGrantsChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
@@ -502,7 +502,7 @@ private void LoadMemoryClerksChart(List<MemoryClerksItem> data, int hoursBack, D
                     .Select(x => x.ClerkType)
                     .ToList();
 
-                var colors = new[] { ScottPlot.Colors.Blue, ScottPlot.Colors.Green, ScottPlot.Colors.Orange, ScottPlot.Colors.Red, ScottPlot.Colors.Purple };
+                var colors = TabHelpers.ChartColors;
                 int colorIndex = 0;
 
                 foreach (var clerkType in topClerks)
@@ -519,7 +519,7 @@ private void LoadMemoryClerksChart(List<MemoryClerksItem> data, int hoursBack, D
 
                         var scatter = MemoryClerksChart.Plot.Add.Scatter(xs, ys);
                         scatter.LineWidth = 2;
-                        scatter.MarkerSize = 0;
+                        scatter.MarkerSize = 5;
                         scatter.Color = colors[colorIndex % colors.Length];
                         scatter.LegendText = clerkType.Length > 20 ? clerkType.Substring(0, 20) + "..." : clerkType;
                         colorIndex++;
@@ -647,8 +647,8 @@ private void LoadPlanCacheChart(IEnumerable<PlanCacheStatsItem> data, int hoursB
 
                     var singleScatter = PlanCacheChart.Plot.Add.Scatter(singleXs, singleYs);
                     singleScatter.LineWidth = 2;
-                    singleScatter.MarkerSize = 0;
-                    singleScatter.Color = ScottPlot.Colors.Red;
+                    singleScatter.MarkerSize = 5;
+                    singleScatter.Color = TabHelpers.ChartColors[3];
                     singleScatter.LegendText = "Single-Use";
 
                     // Multi-Use series with gap filling
@@ -658,8 +658,8 @@ private void LoadPlanCacheChart(IEnumerable<PlanCacheStatsItem> data, int hoursB
 
                     var multiScatter = PlanCacheChart.Plot.Add.Scatter(multiXs, multiYs);
                     multiScatter.LineWidth = 2;
-                    multiScatter.MarkerSize = 0;
-                    multiScatter.Color = ScottPlot.Colors.Green;
+                    multiScatter.MarkerSize = 5;
+                    multiScatter.Color = TabHelpers.ChartColors[1];
                     multiScatter.LegendText = "Multi-Use";
 
                     _legendPanels[PlanCacheChart] = PlanCacheChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
@@ -786,7 +786,7 @@ private void LoadMemoryPressureEventsChart(IEnumerable<MemoryPressureEventItem>
                     var highScatter = MemoryPressureEventsChart.Plot.Add.Scatter(xs, ys);
                     highScatter.LineWidth = 2;
                     highScatter.MarkerSize = 5;
-                    highScatter.Color = ScottPlot.Colors.Red;
+                    highScatter.Color = TabHelpers.ChartColors[3];
                     highScatter.LegendText = "High Pressure Events";
 
                     _legendPanels[MemoryPressureEventsChart] = MemoryPressureEventsChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);

Dashboard/Controls/QueryPerformanceContent.xaml.cs

@@ -243,9 +243,9 @@ await Task.WhenAll(
                 QueryStoreNoDataMessage.Visibility = queryStore.Count == 0 ? Visibility.Visible : Visibility.Collapsed;
 
                 // Populate charts from time-series data
-                LoadDurationChart(QueryPerfTrendsQueryChart, await queryDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", ScottPlot.Colors.Blue);
-                LoadDurationChart(QueryPerfTrendsProcChart, await procDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", ScottPlot.Colors.Green);
-                LoadDurationChart(QueryPerfTrendsQsChart, await qsDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", ScottPlot.Colors.Purple);
+                LoadDurationChart(QueryPerfTrendsQueryChart, await queryDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", TabHelpers.ChartColors[0]);
+                LoadDurationChart(QueryPerfTrendsProcChart, await procDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", TabHelpers.ChartColors[1]);
+                LoadDurationChart(QueryPerfTrendsQsChart, await qsDurationTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate, "Duration (ms/sec)", TabHelpers.ChartColors[4]);
                 LoadExecChart(await execTrendsTask, _perfTrendsHoursBack, _perfTrendsFromDate, _perfTrendsToDate);
             }
             catch (Exception ex)
@@ -915,18 +915,13 @@ private void LoadDurationChart(WpfPlot chart, IEnumerable<DurationTrendItem> tre
                     dataList.Select(d => d.CollectionTime),
                     dataList.Select(d => d.AvgDurationMs));
 
-                if (xs.Length > 0)
-                {
-                    var scatter = chart.Plot.Add.Scatter(xs, ys);
-                    scatter.LineWidth = 2;
-                    scatter.MarkerSize = 5;
-                    scatter.Color = color;
-                    scatter.LegendText = legendText;
-
-                    _legendPanels[chart] = chart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
-                    chart.Plot.Legend.FontSize = 12;
-                }
-                else
+                var scatter = chart.Plot.Add.Scatter(xs, ys);
+                scatter.LineWidth = 2;
+                scatter.MarkerSize = 5;
+                scatter.Color = color;
+                scatter.LegendText = legendText;
+
+                if (xs.Length == 0)
                 {
                     double xCenter = xMin + (xMax - xMin) / 2;
                     var noDataText = chart.Plot.Add.Text("No data for selected time range", xCenter, 0.5);
@@ -935,6 +930,9 @@ private void LoadDurationChart(WpfPlot chart, IEnumerable<DurationTrendItem> tre
                     noDataText.LabelAlignment = ScottPlot.Alignment.MiddleCenter;
                 }
 
+                _legendPanels[chart] = chart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
+                chart.Plot.Legend.FontSize = 12;
+
                 chart.Plot.Axes.DateTimeTicksBottom();
                 chart.Plot.Axes.SetLimitsX(xMin, xMax);
                 chart.Plot.YLabel("Duration (ms/sec)");
@@ -971,18 +969,13 @@ private void LoadExecChart(IEnumerable<ExecutionTrendItem> execTrends, int hours
                 dataList.Select(d => d.CollectionTime),
                 dataList.Select(d => (double)d.ExecutionsPerSecond));
 
-            if (xs.Length > 0)
-            {
-                var scatter = QueryPerfTrendsExecChart.Plot.Add.Scatter(xs, ys);
-                scatter.LineWidth = 2;
-                scatter.MarkerSize = 5;
-                scatter.Color = ScottPlot.Colors.Blue;
-                scatter.LegendText = "Executions/sec";
+            var scatter = QueryPerfTrendsExecChart.Plot.Add.Scatter(xs, ys);
+            scatter.LineWidth = 2;
+            scatter.MarkerSize = 5;
+            scatter.Color = TabHelpers.ChartColors[0];
+            scatter.LegendText = "Executions/sec";
 
-                _legendPanels[QueryPerfTrendsExecChart] = QueryPerfTrendsExecChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
-                QueryPerfTrendsExecChart.Plot.Legend.FontSize = 12;
-            }
-            else
+            if (xs.Length == 0)
             {
                 double xCenter = xMin + (xMax - xMin) / 2;
                 var noDataText = QueryPerfTrendsExecChart.Plot.Add.Text("No data for selected time range", xCenter, 0.5);
@@ -991,6 +984,9 @@ private void LoadExecChart(IEnumerable<ExecutionTrendItem> execTrends, int hours
                 noDataText.LabelAlignment = ScottPlot.Alignment.MiddleCenter;
             }
 
+            _legendPanels[QueryPerfTrendsExecChart] = QueryPerfTrendsExecChart.Plot.ShowLegend(ScottPlot.Edge.Bottom);
+            QueryPerfTrendsExecChart.Plot.Legend.FontSize = 12;
+
             QueryPerfTrendsExecChart.Plot.Axes.DateTimeTicksBottom();
             QueryPerfTrendsExecChart.Plot.Axes.SetLimitsX(xMin, xMax);
             QueryPerfTrendsExecChart.Plot.YLabel("Executions/sec");

Dashboard/Controls/ResourceMetricsContent.xaml

@@ -110,8 +110,9 @@
                             <Button Content="Refresh" Click="WaitStatsDetail_Refresh_Click" Margin="10,0,0,0" Padding="8,2" Style="{StaticResource SuccessButton}" FontSize="11"/>
                         </StackPanel>
                         <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="5,2">
-                            <Button Content="Select All" Click="WaitTypes_SelectAll_Click" Padding="6,2" FontSize="10" Margin="0,0,5,0"/>
+                            <Button Content="Top Waits" Click="WaitTypes_SelectAll_Click" Padding="6,2" FontSize="10" Margin="0,0,5,0"/>
                             <Button Content="Clear All" Click="WaitTypes_ClearAll_Click" Padding="6,2" FontSize="10"/>
+                            <TextBlock x:Name="WaitTypeCountText" Text="0 / 20 selected" FontSize="10" Foreground="{DynamicResource ForegroundMutedBrush}" VerticalAlignment="Center" Margin="8,0,0,0"/>
                         </StackPanel>
                         <TextBox Grid.Row="2" x:Name="WaitTypeSearchBox" Margin="5,2" Height="24" FontSize="11"
                                  TextChanged="WaitTypeSearch_TextChanged"