[adinauer]

PR Stack (Ignore HTTP Status)

• feat(tracing): Ignore incoming server HTTP statuses #6556
• feat(tracing): [Ignore HTTP Status 1] Add sentry.kind to server instrumentation #6557
• feat(core): [Ignore HTTP Status 2] Add ignoredServerHttpStatusCodesForTracing configuration #6559
• feat(tracing): [Ignore HTTP Status 3] Filter configured incoming HTTP statuses #6566
• feat(tracing): [Ignore HTTP Status 4] Ignore incoming 404s by default #6567

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📜 Description

Filter completed incoming HTTP transactions in SentryClient when the root sentry.kind is server and the numeric root http.response.status_code matches a configured ignoredServerHttpStatusCodesForTracing range.

The filter runs before user event processors, beforeSendTransaction, envelope creation, transport, and replay registration. It records one discarded transaction, the root and child spans, and an attached transaction profile with the event_processor reason. Temporary transaction-profile trace files are deleted before returning.

Null or empty configuration keeps all transactions. Missing, malformed, fractional, child-only, and out-of-range status values fail open. Native Integer and OpenTelemetry Long status values are supported without narrowing overflow.

💡 Motivation and Context

This completes the opt-in filtering behavior for #4735 while preserving the current default: no HTTP statuses are ignored unless configured. Filtering happens only after normal transaction, performance-collector, and profiling finalization because the final HTTP response status is not known when tracing starts.

All three Spring Boot generations cover servlet and WebFlux 404 filtering. Documentation includes Java, sentry.properties, Spring application.properties, and application.yml examples.

SDK team review found one profile client-report accounting omission; it was fixed before opening this PR.

Fixes #4735

💚 How did you test it?

• ./gradlew :sentry:test --tests io.sentry.SentryClientTest --tests io.sentry.SentryTracerTest --rerun-tasks
• Focused ignored-route integration tests in servlet and WebFlux suites for sentry-spring-boot, sentry-spring-boot-jakarta, and sentry-spring-boot-4
• make format api
• git diff --check

📝 Checklist

• I added GH Issue ID & Linear ID
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.
• Public API changes reviewed by another Mobile SDK team member or implemented according to the develop docs spec.

🔮 Next steps

The final PR defaults the option to ignoring incoming HTTP 404 transactions and documents the breaking-change migration path.

⚠️ Merge this PR using a merge commit (not squash). Only the collection branch is squash-merged into 9.x.x.

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📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.63.0 (1)	release

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