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With v11, span streaming will be enabled by default in all SDKs. Essentially, this is as easy as flipping the traceLifecycle option default value to 'stream'.
Special case: Browser SDK. Here users no longer need to manually add spanStreamingIntegration. It will be added by default, similarly to all other SDKs.
In all SDKs, opting out of span streaming will require users to set traceLifecycle: 'static', which will make the SDK switch to transactions mode.
Activity
linear-code commentedon Jul 17, 2026
JS-3072
test(cloudflare): Disable span streaming in integration tests
test: Disable span streaming in remaining tests (#22588)
test(e2e): Disable span streaming in test applications
test(browser): Disable span streaming in integration tests (#22591)
test(cloudflare): Disable span streaming in integration tests (#22594)
test(e2e): Disable span streaming in e2e test applications (#22590)
test(node): Disable span streaming in node-integration tests (#22589)
feat(core)!: Enable span streaming by default
feat(core)!: Enable span streaming by default
test: Disable span streaming in remaining test suites (#22716)
feat(core)!: Enable span streaming by default (#22642)
github-actions commentedon Sep 23, 2026
A PR closing this issue has just been released 🚀
This issue was referenced by PR #22642, which was included in the 11.0.0 release.