getsentry · Lms24 · Aug 7, 2026
@@ -23,14 +23,12 @@ sentryTest(
     expect(envelope).toBeDefined();
 
     const firstWaitingSpanValue = await page.evaluate(
-      () => (window as unknown as WindowWithSpan).firstWaitingSpan.description,
+      () => (window as unknown as WindowWithSpan).firstWaitingSpan.name,
     );
     const secondWaitingSpanName = await page.evaluate(
-      () => (window as unknown as WindowWithSpan).secondWaitingSpan.description,
-    );
-    const thirdWaitingSpanName = await page.evaluate(
-      () => (window as unknown as WindowWithSpan).thirdWaitingSpan.description,
+      () => (window as unknown as WindowWithSpan).secondWaitingSpan.name,
     );
+    const thirdWaitingSpanName = await page.evaluate(() => (window as unknown as WindowWithSpan).thirdWaitingSpan.name);
 
     expect(firstWaitingSpanValue).toBe('span 2');
     expect(secondWaitingSpanName).toBe('span 1');

@@ -1,5 +1,5 @@
 import { expect } from '@playwright/test';
-import type { SpanJSON } from '@sentry/core';
+import type { StreamedSpanJSON } from '@sentry/core';
 import { sentryTest } from '../../../../utils/fixtures';
 import { shouldSkipTracingTest } from '../../../../utils/helpers';
 
@@ -12,25 +12,26 @@ sentryTest('should finish a custom transaction when the page goes background', a
   await page.goto(url);
 
   await page.locator('#start-span').click();
-  const spanJsonBefore: SpanJSON = await page.evaluate('window.getSpanJson()');
+  const spanJsonBefore: StreamedSpanJSON = await page.evaluate('window.getSpanJson()');
 
   const id_before = spanJsonBefore.span_id;
-  const description_before = spanJsonBefore.description;
+  const name_before = spanJsonBefore.name;
   const status_before = spanJsonBefore.status;
 
-  expect(description_before).toBe('test-span');
+  expect(name_before).toBe('test-span');
   expect(status_before).toBe('ok');
 
   await page.locator('#go-background').click();
-  const spanJsonAfter: SpanJSON = await page.evaluate('window.getSpanJson()');
+  const spanJsonAfter: StreamedSpanJSON = await page.evaluate('window.getSpanJson()');
 
   const id_after = spanJsonAfter.span_id;
-  const description_after = spanJsonAfter.description;
-  const status_after = spanJsonAfter.status;
-  const data_after = spanJsonAfter.data;
+  const name_after = spanJsonAfter.name;
+  const attributes_after = spanJsonAfter.attributes;
 
   expect(id_before).toBe(id_after);
-  expect(description_after).toBe(description_before);
-  expect(status_after).toBe('cancelled');
-  expect(data_after?.['sentry.cancellation_reason']).toBe('document.hidden');
+  expect(name_after).toBe(name_before);
+  // a cancelled span is reported as `ok`, with the raw status kept as an attribute
+  expect(spanJsonAfter.status).toBe('ok');
+  expect(attributes_after['sentry.status.message']).toBeUndefined();
+  expect(attributes_after['sentry.cancellation_reason']).toBe('document.hidden');
 });
@@ -68,15 +68,15 @@ export function _updateSpanAttributesForParametrizedUrl(route: string, url: stri
     return;
   }
 
-  const { data: attributes, op } = spanToJSON(span);
+  const attributes = spanToJSON(span).attributes;
 
   if (!attributes || attributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] === 'url') {
     span.updateName(route);
 
     const absoluteUrl = getAbsoluteUrl(url);
 
     span.setAttributes({
-      [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: `auto.${op}.angular`,
+      [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: `auto.${attributes[SENTRY_OP]}.angular`,
       [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'route',
       [URL_FULL]: filterCollectedUrl(absoluteUrl),
       [URL_PATH]: parseStringToURLObject(absoluteUrl)?.pathname,
@@ -259,7 +259,7 @@ export class TraceService implements OnDestroy {
 
     const rootSpan = getRootSpan(activeSpan);
 
-    this._pageloadOngoing = spanToJSON(rootSpan).op === 'pageload';
+    this._pageloadOngoing = spanToJSON(rootSpan).attributes[SENTRY_OP] === 'pageload';
     return this._pageloadOngoing;
   }
 }

@@ -84,15 +84,15 @@ describe('Angular Tracing', () => {
 
       expect(spanToJSON(span)).toEqual(
         expect.objectContaining({
-          data: expect.objectContaining({
+          attributes: expect.objectContaining({
             [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.undefined.angular',
             [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'route',
             [URL_TEMPLATE]: route,
             // URL_FULL is resolved against jsdom's http://localhost origin
             [URL_FULL]: expect.stringContaining('/users/123/'),
             [URL_PATH]: '/users/123/',
           }),
-          description: route,
+          name: route,
         }),
       );
     });
@@ -109,11 +109,11 @@ describe('Angular Tracing', () => {
 
       expect(spanToJSON(span)).toEqual(
         expect.objectContaining({
-          data: {
+          attributes: {
             [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'manual',
             [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'sample-source',
           },
-          description: 'initial-span-name',
+          name: 'initial-span-name',
         }),
       );
     });

@@ -1,5 +1,5 @@
 /* eslint-disable max-lines */
-import { HTTP_ROUTE, URL_FRAGMENT, URL_FULL, URL_PATH, URL_QUERY } from '@sentry/conventions/attributes';
+import { HTTP_ROUTE, SENTRY_OP, URL_FRAGMENT, URL_FULL, URL_PATH, URL_QUERY } from '@sentry/conventions/attributes';
 import type { Span, SpanAttributes } from '@sentry/core';
 import {
   addNonEnumerableProperty,
@@ -98,7 +98,7 @@ export const handleRequest: (options?: MiddlewareOptions) => MiddlewareHandler =
     const rootSpan = activeSpan ? getRootSpan(activeSpan) : undefined;
 
     // if there is an active span, we just want to enhance it with routing data etc.
-    if (rootSpan && spanToJSON(rootSpan).op === 'http.server') {
+    if (rootSpan && spanToJSON(rootSpan).attributes[SENTRY_OP] === 'http.server') {
       return enhanceHttpServerSpan(ctx, next, rootSpan);
     }
 

@@ -73,13 +73,13 @@ export function startTrackingLongTasks(): void {
       return;
     }
 
-    const { op: parentOp, start_timestamp: parentStartTimestamp } = spanToJSON(parent);
+    const { attributes: parentAttributes, start_timestamp: parentStartTimestamp } = spanToJSON(parent);
 
     for (const entry of entries) {
       const startTime = msToSec((browserPerformanceTimeOrigin() as number) + entry.startTime);
       const duration = msToSec(entry.duration);
 
-      if (parentOp === 'navigation' && parentStartTimestamp && startTime < parentStartTimestamp) {
+      if (parentAttributes[SENTRY_OP] === 'navigation' && parentStartTimestamp && startTime < parentStartTimestamp) {
         // Skip adding a span if the long task started before the navigation started.
         // `startAndEndSpan` will otherwise adjust the parent's start time to the span's start
         // time, potentially skewing the duration of the actual navigation as reported via our
@@ -117,7 +117,10 @@ export function startTrackingLongAnimationFrames(): void {
 
       const startTime = msToSec((browserPerformanceTimeOrigin() as number) + entry.startTime);
 
-      const { start_timestamp: parentStartTimestamp, op: parentOp } = spanToJSON(parent);
+      const {
+        start_timestamp: parentStartTimestamp,
+        attributes: { [SENTRY_OP]: parentOp },
+      } = spanToJSON(parent);
 
       if (parentOp === 'navigation' && parentStartTimestamp && startTime < parentStartTimestamp) {
         // Skip adding the span if the long animation frame started before the navigation started.
@@ -220,7 +223,7 @@ export function addPerformanceEntries(span: Span, options: AddPerformanceEntries
 
   const performanceEntries = performance.getEntries();
 
-  const { op, start_timestamp: transactionStartTime } = spanToJSON(span);
+  const { attributes, start_timestamp: transactionStartTime } = spanToJSON(span);
 
   performanceEntries.slice(_performanceCursor).forEach(entry => {
     const startTime = msToSec(entry.startTime);
@@ -232,7 +235,11 @@ export function addPerformanceEntries(span: Span, options: AddPerformanceEntries
       Math.max(0, entry.duration),
     );
 
-    if (op === 'navigation' && transactionStartTime && timeOrigin + startTime < transactionStartTime) {
+    if (
+      attributes[SENTRY_OP] === 'navigation' &&
+      transactionStartTime &&
+      timeOrigin + startTime < transactionStartTime
+    ) {
       return;
     }
 
@@ -479,7 +486,7 @@ function _trackNavigator(span: Span, spanStreamingEnabled: boolean | undefined):
     if (isMeasurementValue(connection.rtt)) {
       if (spanStreamingEnabled) {
         span.setAttribute('network.connection.rtt', connection.rtt);
-      } else if (spanToJSON(span).op === 'pageload') {
+      } else if (spanToJSON(span).attributes[SENTRY_OP] === 'pageload') {
         // Measurements are only recorded on the pageload span, matching the historical
         // behavior where `connection.rtt` was only flushed for pageload transactions.
         setMeasurement('connection.rtt', connection.rtt, 'millisecond');

@@ -1,4 +1,4 @@
-import { SENTRY_ORIGIN } from '@sentry/conventions/attributes';
+import { SENTRY_OP, SENTRY_ORIGIN } from '@sentry/conventions/attributes';
 import type { IntegrationFn, Span, SpanAttributes, SpanAttributeValue } from '@sentry/core';
 import {
   browserPerformanceTimeOrigin,
@@ -34,7 +34,9 @@ const _userTimingIntegration = ((options: UserTimingOptions = {}) => {
       let performanceCursor = 0;
 
       client.on('beforeIdleSpanEnd', idleSpan => {
-        const { op: parentOp, start_timestamp: parentStartTimestamp } = spanToJSON(idleSpan);
+        const { attributes, start_timestamp: parentStartTimestamp } = spanToJSON(idleSpan);
+        const parentOp = attributes[SENTRY_OP];
+
         if (parentOp !== 'pageload' && parentOp !== 'navigation') {
           return;
         }

@@ -10,7 +10,7 @@ import {
   SEMANTIC_ATTRIBUTE_EXCLUSIVE_TIME,
   SEMANTIC_ATTRIBUTE_SENTRY_OP,
   SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,
-  spanToStreamedSpanJSON,
+  spanToJSON,
   startInactiveSpan,
   timestampInSeconds,
 } from '@sentry/core';
@@ -105,7 +105,7 @@ export function _emitWebVitalSpan(options: WebVitalSpanOptions): void {
     ...passedAttributes,
   };
 
-  if (parentSpan && spanToStreamedSpanJSON(parentSpan).attributes?.[SEMANTIC_ATTRIBUTE_SENTRY_OP] === 'pageload') {
+  if (parentSpan && spanToJSON(parentSpan).attributes[SEMANTIC_ATTRIBUTE_SENTRY_OP] === 'pageload') {
     // for LCP and CLS, we collect the pageload span id as an attribute
     attributes['sentry.pageload.span_id'] = parentSpan.spanContext().spanId;
   }
@@ -343,9 +343,7 @@ export function _sendInpSpan(inpValue: number, entry: PerformanceEventTiming, st
   const rootSpan = activeSpan ? getRootSpan(activeSpan) : undefined;
 
   const spanToUse = cachedContext?.span || rootSpan;
-  const routeName = spanToUse
-    ? spanToStreamedSpanJSON(spanToUse).name
-    : getCurrentScope().getScopeData().transactionName;
+  const routeName = spanToUse ? spanToJSON(spanToUse).name : getCurrentScope().getScopeData().transactionName;
   const name = cachedContext?.elementName || htmlTreeAsString(entry.target);
 
   _emitWebVitalSpan({

@@ -1,5 +1,6 @@
 import type { Client, Measurements, Span } from '@sentry/core';
 import { browserPerformanceTimeOrigin, debug, setMeasurement, spanToJSON } from '@sentry/core';
+import { SENTRY_OP } from '@sentry/conventions/attributes';
 import { DEBUG_BUILD } from '../debug-build';
 import { htmlTreeAsString } from '../htmlTreeAsString';
 import {
@@ -150,7 +151,7 @@ export function addWebVitalsToSpan(span: Span, options: AddWebVitalsToSpanOption
   const timeOrigin = msToSec(origin);
 
   // Measurements are only available for pageload transactions
-  if (spanToJSON(span).op === 'pageload') {
+  if (spanToJSON(span).attributes[SENTRY_OP] === 'pageload') {
     _addTtfbRequestTimeToMeasurements(_measurements);
 
     if (spanStreamingEnabled) {

@@ -26,9 +26,9 @@ describe('startAndEndSpan()', () => {
 
     expect(span).toBeDefined();
     expect(span).toBeInstanceOf(SentrySpan);
-    expect(spanToJSON(span).description).toBe('evaluation');
-    expect(spanToJSON(span).op).toBe('script');
-    expect(spanToJSON(span).op).toBe('script');
+    expect(spanToJSON(span).name).toBe('evaluation');
+    expect(spanToJSON(span).attributes['sentry.op']).toBe('script');
+    expect(spanToJSON(span).attributes['sentry.op']).toBe('script');
   });
 
   it('adjusts the start timestamp if child span starts before transaction', () => {