feat(cloudflare,deno,vercel-edge): Add span streaming support by Lms24 · Pull Request #20127 · getsentry/sentry-javascript

Lms24 · 2026-04-08T15:42:19Z

WIP, adds adding the spanStreamingIntegration automatically to deno, cloudflare and vercel-edge if traceLifecycle is set to 'stream'.

Adds cloudflare integration test

github-actions · 2026-04-08T15:47:18Z

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).

New Features ✨

Core

Support registerTool/registerResource/registerPrompt in MCP integration by betegon in #20071
Support embeddings in langchain by nicohrubec in #20017

Deps

Bump @hapi/content from 6.0.0 to 6.0.1 by dependabot in #20102
Bump bundler plugins to 5.2.0 by chargome in #20122
Bump lodash.template from 4.5.0 to 4.18.1 by dependabot in #20085
Bump @xmldom/xmldom from 0.8.3 to 0.8.12 by dependabot in #20066

Other

(aws-serverless) Add lambda extension to npm package by andreiborza in #20133
(cloudflare) Support basic WorkerEntrypoint by JPeer264 in #19884

(cloudflare,deno,vercel-edge) Add span streaming support by Lms24 in #20127

(core, node) Portable Express integration by isaacs in #19928
(deno) Add denoRuntimeMetricsIntegration by chargome in #20023
(node, bun) Enforce minimum collection interval in runtime metrics integrations by chargome in #20068
(react-router) Export sentryOnError by chargome in #20120
Span Streaming by Lms24 in #19119

Bug Fixes 🐛

Core

Only attach flags context to error events by Lms24 in #20116
Replace regex with string check in stack parser to prevent main thread blocking by chargome in #20089
Set span.status to error when MCP tool returns JSON-RPC error response by betegon in #20082

Other

(angular) Bump TypeScript to ~6.0.0 in angular-21 E2E test app by andreiborza in #20134
(aws-serverless) Add timeout to _endSpan forceFlush to prevent Lambda hanging by logaretm in #20064
(cloudflare) Ensure every request instruments functions by JPeer264 in #20044
(gatsby) Fix errorHandler signature to match bundler-plugin-core API by JPeer264 in #20048

Internal Changes 🔧

Core

Do not emit spans for chats.create in google-genai by nicohrubec in #19990
Unify .do* span ops to gen_ai.generate_content by nicohrubec in #20074
Simplify addResponseAttributes in openai integration by nicohrubec in #20013
Extract shared endStreamSpan for AI integrations by nicohrubec in #20021
Remove provider-specific AI span attributes in favor of gen_ai attributes in sentry conventions by nicohrubec in #20011

Deps

Bump mshick/add-pr-comment from dd126dd8c253650d181ad9538d8b4fa218fc31e8 to e7516d74559b5514092f5b096ed29a629a1237c6 by dependabot in #20078
Bump getsentry/craft/.github/workflows/changelog-preview.yml from 2.24.1 to 2.25.2 by dependabot in #20081

Other

(deps-dev) Bump effect from 3.20.0 to 3.21.0 by dependabot in #19999
(node) Add node integration tests for Vercel ToolLoopAgent by nicohrubec in #20087
(nuxt) Make Nuxt 5 (nightly) E2E optional by s1gr1d in #20113
(oxlint) Add typeawareness into oxlintrc by JPeer264 in #20075
Update validate-pr workflow by stephanie-anderson in #20072
Remove unused tsconfig-template folder by mydea in #20067

_{🤖 This preview updates automatically when you update the PR.}

github-actions · 2026-04-08T15:56:15Z

size-limit report 📦

⚠️ Warning: Base artifact is not the latest one, because the latest workflow run is not done yet. This may lead to incorrect results. Try to re-run all tests to get up to date results.

Path	Size	% Change	Change
@sentry/browser	25.72 kB	+0.31%	+77 B 🔺
@sentry/browser - with treeshaking flags	24.21 kB	+0.34%	+82 B 🔺
@sentry/browser (incl. Tracing)	42.7 kB	+1.29%	+543 B 🔺
@sentry/browser (incl. Tracing, Profiling)	47.32 kB	+1.19%	+553 B 🔺
@sentry/browser (incl. Tracing, Replay)	81.51 kB	+0.71%	+573 B 🔺
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	71.08 kB	+0.74%	+520 B 🔺
@sentry/browser (incl. Tracing, Replay with Canvas)	86.22 kB	+0.67%	+568 B 🔺
@sentry/browser (incl. Tracing, Replay, Feedback)	98.42 kB	+0.53%	+511 B 🔺
@sentry/browser (incl. Feedback)	42.51 kB	+0.21%	+87 B 🔺
@sentry/browser (incl. sendFeedback)	30.39 kB	+0.27%	+80 B 🔺
@sentry/browser (incl. FeedbackAsync)	35.38 kB	+0.24%	+83 B 🔺
@sentry/browser (incl. Metrics)	27.04 kB	+0.31%	+83 B 🔺
@sentry/browser (incl. Logs)	27.18 kB	+0.3%	+81 B 🔺
@sentry/browser (incl. Metrics & Logs)	27.86 kB	+0.29%	+80 B 🔺
@sentry/react	27.48 kB	+0.26%	+71 B 🔺
@sentry/react (incl. Tracing)	45.02 kB	+1.21%	+536 B 🔺
@sentry/vue	30.56 kB	+1.61%	+483 B 🔺
@sentry/vue (incl. Tracing)	44.56 kB	+1.16%	+507 B 🔺
@sentry/svelte	25.74 kB	+0.3%	+76 B 🔺
CDN Bundle	28.41 kB	+0.3%	+83 B 🔺
CDN Bundle (incl. Tracing)	43.72 kB	+1.39%	+596 B 🔺
CDN Bundle (incl. Logs, Metrics)	29.78 kB	+0.31%	+92 B 🔺
CDN Bundle (incl. Tracing, Logs, Metrics)	44.8 kB	+1.44%	+632 B 🔺
CDN Bundle (incl. Replay, Logs, Metrics)	68.59 kB	+0.16%	+103 B 🔺
CDN Bundle (incl. Tracing, Replay)	80.6 kB	+0.74%	+588 B 🔺
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)	81.63 kB	+0.71%	+571 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback)	86.14 kB	+0.69%	+587 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)	87.17 kB	+0.68%	+584 B 🔺
CDN Bundle - uncompressed	82.99 kB	+0.34%	+279 B 🔺
CDN Bundle (incl. Tracing) - uncompressed	129.64 kB	+1.4%	+1.78 kB 🔺
CDN Bundle (incl. Logs, Metrics) - uncompressed	87.14 kB	+0.33%	+279 B 🔺
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed	133.05 kB	+1.36%	+1.78 kB 🔺
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed	210.12 kB	+0.14%	+279 B 🔺
CDN Bundle (incl. Tracing, Replay) - uncompressed	246.52 kB	+0.73%	+1.78 kB 🔺
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed	249.91 kB	+0.72%	+1.78 kB 🔺
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	259.43 kB	+0.7%	+1.78 kB 🔺
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed	262.82 kB	+0.69%	+1.78 kB 🔺
@sentry/nextjs (client)	47.44 kB	+1.18%	+550 B 🔺
@sentry/sveltekit (client)	43.16 kB	+1.28%	+545 B 🔺
@sentry/node-core	57.86 kB	+3.78%	+2.1 kB 🔺
@sentry/node	174.8 kB	+1.4%	+2.4 kB 🔺
@sentry/node - without tracing	97.97 kB	+2.02%	+1.94 kB 🔺
@sentry/aws-serverless	115.22 kB	+2.11%	+2.38 kB 🔺

View base workflow run

…ng (#18986) How it should be used is in the JSDoc. It worked quite well for my Cloudflare tests Closes #18987 (added automatically)

Lms24 mentioned this pull request Apr 8, 2026

fix(deno): Avoid inferring invalid span op from Deno tracer #20128

Open

Base automatically changed from lms/feat-span-streaming-exports to lms/feat-span-first April 9, 2026 10:54

Base automatically changed from lms/feat-span-first to develop April 9, 2026 12:46

Lms24 and others added 6 commits April 9, 2026 15:00

feat(cloudflare,deno,vercel-edge): Add span streaming support

09e569d

feat(test-utils): Add a way to wait for single spans for Span streami…

561d6e0

…ng (#18986) How it should be used is in the JSDoc. It worked quite well for my Cloudflare tests Closes #18987 (added automatically)

adjust e2e test helpers to reflect current naming scheme

620ccf7

add deno e2e test app

51c845f

bit of cleanup

f972d17

.

777478b

Lms24 force-pushed the lms/feat-span-streaming-deno-cf-ve branch from bd9726c to 777478b Compare April 9, 2026 13:00

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feat(cloudflare,deno,vercel-edge): Add span streaming support#20127
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New Features ✨

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Semver Impact of This PR

New Features ✨

Core

Deps

Other

Bug Fixes 🐛

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Other

Internal Changes 🔧

Core

Deps

Other

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