feat(core): Automatically disable truncation when span streaming is enabled in LangChain integration

[andreiborza]

When span streaming is enabled, the enableTruncation option now defaults
to false unless the user has explicitly set it.

Closes: #20224

[github-actions]

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

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Entries from this PR are highlighted with a left border (blockquote style).

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New Features ✨

Core

• Automatically disable truncation when span streaming is enabled in LangChain integration by andreiborza in #20230

• Add enableTruncation option to Google GenAI integration by andreiborza in #20184
• Add enableTruncation option to Anthropic AI integration by andreiborza in #20181
• Add enableTruncation option to LangGraph integration by andreiborza in #20183
• Add enableTruncation option to LangChain integration by andreiborza in #20182
• Add enableTruncation option to OpenAI integration by andreiborza in #20167
• Export a reusable function to add tracing headers by JPeer264 in #20076

Deps

• Bump axios from 1.13.5 to 1.15.0 by dependabot in #20180
• Bump hono from 4.12.7 to 4.12.12 by dependabot in #20118
• Bump defu from 6.1.4 to 6.1.6 by dependabot in #20104

Other

• (cloudflare) Propagate traceparent to RPC calls - via fetch by JPeer264 in #19991

Bug Fixes 🐛

Deno

• Handle reader.closed rejection from releaseLock() in streaming by andreiborza in #20187
• Avoid inferring invalid span op from Deno tracer by Lms24 in #20128

Other

• (ci) Prevent command injection in ci-metadata workflow by fix-it-felix-sentry in #19899
• (e2e) Add op check to waitForTransaction in React Router e2e tests by copilot-swe-agent in #20193
• (node-integration-tests) Fix flaky kafkajs test race condition by copilot-swe-agent in #20189

Internal Changes 🔧

Deps

• Bump hono from 4.12.7 to 4.12.12 in /dev-packages/e2e-tests/test-applications/cloudflare-hono by dependabot in #20119
• Bump axios from 1.13.5 to 1.15.0 in /dev-packages/e2e-tests/test-applications/nestjs-basic by dependabot in #20179

Other

• (bugbot) Add rules to flag test-flake-provoking patterns by Lms24 in #20192
• (deps-dev) Bump vite from 7.2.0 to 7.3.2 in /dev-packages/e2e-tests/test-applications/tanstackstart-react by dependabot in #20107
• (react) Remove duplicated test mock by s1gr1d in #20200
• (size-limit) Bump failing size limit scenario by Lms24 in #20186
• Add automatic flaky test detector by nicohrubec in #18684

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[github-actions]

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	-	-
@sentry/browser - with treeshaking flags	24.21 kB	-	-
@sentry/browser (incl. Tracing)	42.73 kB	-	-
@sentry/browser (incl. Tracing, Profiling)	47.35 kB	-	-
@sentry/browser (incl. Tracing, Replay)	81.54 kB	-	-
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	71.11 kB	-	-
@sentry/browser (incl. Tracing, Replay with Canvas)	86.25 kB	-	-
@sentry/browser (incl. Tracing, Replay, Feedback)	98.45 kB	-	-
@sentry/browser (incl. Feedback)	42.51 kB	-	-
@sentry/browser (incl. sendFeedback)	30.39 kB	-	-
@sentry/browser (incl. FeedbackAsync)	35.38 kB	-	-
@sentry/browser (incl. Metrics)	27.04 kB	-	-
@sentry/browser (incl. Logs)	27.18 kB	-	-
@sentry/browser (incl. Metrics & Logs)	27.86 kB	-	-
@sentry/react	27.48 kB	-	-
@sentry/react (incl. Tracing)	45.05 kB	-	-
@sentry/vue	30.56 kB	-	-
@sentry/vue (incl. Tracing)	44.59 kB	-	-
@sentry/svelte	25.74 kB	-	-
CDN Bundle	28.41 kB	-	-
CDN Bundle (incl. Tracing)	43.75 kB	-	-
CDN Bundle (incl. Logs, Metrics)	29.78 kB	-	-
CDN Bundle (incl. Tracing, Logs, Metrics)	44.83 kB	-	-
CDN Bundle (incl. Replay, Logs, Metrics)	68.59 kB	-	-
CDN Bundle (incl. Tracing, Replay)	80.64 kB	-	-
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)	81.66 kB	-	-
CDN Bundle (incl. Tracing, Replay, Feedback)	86.17 kB	-	-
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)	87.2 kB	-	-
CDN Bundle - uncompressed	82.99 kB	-	-
CDN Bundle (incl. Tracing) - uncompressed	129.77 kB	-	-
CDN Bundle (incl. Logs, Metrics) - uncompressed	87.14 kB	-	-
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed	133.19 kB	-	-
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed	210.12 kB	-	-
CDN Bundle (incl. Tracing, Replay) - uncompressed	246.65 kB	-	-
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed	250.05 kB	-	-
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	259.56 kB	-	-
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed	262.95 kB	-	-
@sentry/nextjs (client)	47.47 kB	-	-
@sentry/sveltekit (client)	43.2 kB	-	-
@sentry/node-core	57.86 kB	+0.02%	+7 B 🔺
@sentry/node	174.87 kB	+0.02%	+22 B 🔺
@sentry/node - without tracing	97.97 kB	+0.03%	+22 B 🔺
@sentry/aws-serverless	115.22 kB	+0.02%	+18 B 🔺

View base workflow run

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	11,362	-	9,286	+22%
GET With Sentry	2,026	18%	1,793	+13%
GET With Sentry (error only)	7,553	66%	6,241	+21%
POST Baseline	1,300	-	1,215	+7%
POST With Sentry	649	50%	609	+7%
POST With Sentry (error only)	1,125	87%	1,072	+5%
MYSQL Baseline	3,509	-	3,348	+5%
MYSQL With Sentry	490	14%	517	-5%
MYSQL With Sentry (error only)	3,009	86%	2,739	+10%

View base workflow run