diff --git a/.jules/bolt.md b/.jules/bolt.md
new file mode 100644
index 00000000..b7b48382
--- /dev/null
+++ b/.jules/bolt.md
@@ -0,0 +1,3 @@
+## 2024-05-24 - WslPathResolver string splitting
+**Learning:** `WslPathResolver.TryParseUncRemainder` used `string.Split()`, `string.Join()`, and `Enumerable.Skip()` which leads to unnecessary GC pressure and multiple string/array allocations for hot path code.
+**Action:** Replace `string.Split` with `ReadOnlySpan<char>.Split` and use `StringBuilder` to append portions sequentially when parsing and reconstructing path parts. This saves multiple array/string allocations and makes parsing faster.
diff --git a/QuickShell.Core/Services/WslPathResolver.cs b/QuickShell.Core/Services/WslPathResolver.cs
index e849dfb0..232ba4c9 100644
--- a/QuickShell.Core/Services/WslPathResolver.cs
+++ b/QuickShell.Core/Services/WslPathResolver.cs
@@ -142,16 +142,39 @@ public static string ResolveDistro(WslLocation location, LaunchTarget target) =>
     private static bool TryParseUncRemainder(string remainder, string fullUnc, out WslLocation location)
     {
         location = null!;
-        var parts = remainder.Split('\\', StringSplitOptions.RemoveEmptyEntries);
-        if (parts.Length < 2)
+        // Bolt: Performance optimization - avoid string.Split(), Linq Skip(), and string.Join() allocations.
+        var span = remainder.AsSpan();
+        string? distro = null;
+        var linuxPathBuilder = new System.Text.StringBuilder();
+
+        foreach (var range in span.Split('\\'))
+        {
+            var part = span[range];
+            if (part.IsEmpty)
+            {
+                continue;
+            }
+
+            if (distro is null)
+            {
+                distro = part.ToString();
+            }
+            else
+            {
+                linuxPathBuilder.Append('/');
+                linuxPathBuilder.Append(part);
+            }
+        }
+
+        if (linuxPathBuilder.Length == 0 || distro is null)
         {
             return false;
         }
 
         location = new WslLocation
         {
-            Distro = parts[0],
-            LinuxPath = "/" + string.Join('/', parts.Skip(1)),
+            Distro = distro,
+            LinuxPath = linuxPathBuilder.ToString(),
             UncPath = fullUnc,
         };