Improved cancellation status detection in Network profiler

Author: rishika0212

packages/devtools_app/lib/src/shared/http/http_request_data.dart

@@ -138,19 +138,21 @@ class DartIOHttpRequestData extends NetworkRequest {
   DateTime? get _endTime =>
       _hasError ? _request.endTime : _request.response?.endTime;
 
-  static const _cancellationMarkers = [
-    'cancel',
-    'canceled',
-    'cancelled',
-    'operation canceled',
-    'operation cancelled',
-    'abort',
-    'aborted',
-  ];
-
   bool _matchesCancellationMarker(String? value) {
-    final normalized = value?.toLowerCase();
-    if (normalized == null) return false;
+    if (value == null) return false;
+    final normalized = value.toLowerCase();
+
+    /// Markers used for substring matching against request / response errors
+    /// and request event names to classify cancelled requests.
+    ///
+    /// Derived from observed cancellation wording in HTTP profiler payloads,
+    /// keeping specific terms to reduce false positives.
+    const _cancellationMarkers = [
+      'canceled',
+      'cancelled',
+      'aborted',
+    ];
+
     return _cancellationMarkers.any(normalized.contains);
   }
 
@@ -172,7 +174,6 @@ class DartIOHttpRequestData extends NetworkRequest {
       return end?.difference(start);
     }
 
-    // Cancelled request
     if (isCancelled) {
       return Duration.zero;
     }

packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md

@@ -39,15 +39,16 @@ TODO: Remove this section if there are not any updates.
 
 ## Network profiler updates
 
-- Improve HTTP request status classification in the Network tab to better distinguish cancelled, completed, and in-flight requests (for example, avoiding some cases where cancelled requests appeared as pending). (#9683)
+- Added a filter setting to hide HTTP-profiler socket data. [#9698](https://github.com/flutter/devtools/pull/9698)
+- Improved HTTP request status classification in the Network tab to better distinguish cancelled, completed, and in-flight requests (for example, avoiding some cases where cancelled requests appeared as pending). [#9683](https://github.com/flutter/devtools/pull/9683)
 
 ## Logging updates
 
 TODO: Remove this section if there are not any updates.
 
 ## App size tool updates
 
-TODO: Remove this section if there are not any updates.
+- Added documentation links and improved handling for null files. [#9689](https://github.com/flutter/devtools/pull/9689)
 
 ## Deep links tool updates