25.11.0

Breaking Changes:

• Simplify proxy mode to forward without processing. (#5165)

Features:

• Only apply non-destructive PII rules to log bodies by default. (#5272)
• Allow configuring separate http server for internal routes. (#5352)
• Infer the client ip when set to {{auto}} for EAP items. (#5304)
• Increase the default size limit for attachments to 200MiB. (#5310)
• Add sentry.origin attribute to OTLP spans. (#5294)
• Normalize deprecated attribute names according to sentry-conventions for logs and V2 spans. (#5257)
• Allow sample rate per trace metric. (#5317)
• Remove the profile context from transactions if profiles are currently rate limited. (#5346)
• Replace is_remote with is_segment on the Span V2 schema. (#5306)
• Add response_timeout config setting for Redis. (#5329)
• Remove projects:discard-transaction feature flag. (#5307)

Bug Fixes:

• Relay would record an invalid internal outcome when there should be no outcome. (#5372)
• Redis pools being sized too small by default. (#5358)
• Fix array attributes not being applied to standalone spans. (#5337)
• Envelopes created from integrations can now be spooled. (#5284)
• Make referer optional in Vercel Log Drain Transform. (#5273)
• Fix potentially missing attachment outcomes when rate limiting. (#5301)
• Tag spans' count per root metric with the trace root's transaction instead of the local transaction. (#5281)
• Use vercel.path instead of url.path for Vercel Log Drain Transform. (#5274)
• Add Google Storebot to the crawler filter list. (#5300)
• Prevent duplicate fields in kafka spans. (#5373)

Internal:

• Switch default allocator from jemalloc to mimalloc. (#5239)
• Add internal attributes to aid searching trace metrics. (#5260)
• Remove sentry.timestamp_nanos for log items. (#5295)
• Remove the span kind from the Kafka span schema. (#5368)
• Unconditionally enable span extraction. (#5308)

25.10.0

Features:

• Enables more PII rules for MCP attributes. (#5219
• Enables more PII rules for AI attributes. (#5166
• Add Memory Info context to event schema. (#5154)
• Add Thread Pool Info context to event schema. (#5153)
• Add Unity Info context to event schema. (#5155)
• Generate sentry.name attributes for spans without names. (#5143)
• Add integration endpoints for OTLP. (#5176)
• Emit a metric to record keep/drop decisions in Dynamic Sampling. (#5164, #5204)
• Trim event tag keys & values to 200 chars instead of dropping them. (#5198)
• Add trace metric protocol. (#5207)
• Add sentry.origin attribute to OTLP logs. (#5190)
• Add new iPhone 17 devices. (#5203)
• Upgrade sqlparser and improve SQL parsing for span grouping. (#5211)
• Maps unknown_error span status to internal_error. (#5202)
• Add otp and two[-_]factor to default scrubbing rules. (#5250)
• Add event merging logic for Playstation crashes. (#5228)
• Implement PII scrubbing for V2 spans. (#5168)
• Add vercel log drain endpoint. (#5212)

Bug Fixes:

• Emit monitor outcomes when dropping/rejecting an envelope. (#5177)
• Apply span name generation to spans extracted from transaction events. (#5191)

Internal:

• Update most dependencies to semver compatible versions. (#5245)
• No longer writes Spans as trace items. (#5152)
• Removes support for the otel_span envelope item type. (#5238)
• Produce spans to ingest-spans by default. (#5163)
• Add retentions to the project configuration and use them for logs. (#5135)
• Produce Span V2 Kafka messages. (#5151, #5173, #5199, #5216)
• Extract additional user.geo.* attributes on spans. (#5194)
• Modernize session processing and move to Relay's new processing framework. (#5201)
• Add TraceMetric data category. (#5206)
• Match placeholder segments in sentry conventions attributes. (#5237)

25.9.0

Breaking Changes:

• Removes support for the deprecated and early alpha only otel log item type. (#5082)
• Remove static mode. (#5108)

Features:

• Add InstallableBuild and SizeAnalysis data categories. (#5084)
• Add dynamic PII derivation to metastructure. (#5107)
• Detect PII status of attributes based on sentry-conventions. (#5113)
• Add support for an OTLP /v1/logs endpoint. This endpoint is gated behind the organizations:relay-otel-logs-endpoint feature flag. (#5130)

Internal:

• Disable PII scrubbing for gen ai operation name. (#5064)
• Set the default log retention to 30 days for full fidelity and downsampled data. (#5065)
• Improved PII Scrubbing for attributes / logs (#5061))
• Introduces a project scope sampling rule type. (#5077))
• Produce transactions on transactions Kafka topic, even if they have attachments. (#5081)
• Removes metric stats from the codebase. (#5097)
• Add option gating Snuba publishing to ingest-replay-events for Replays. (#5088, #5115)
• Add gen_ai_cost_total_tokens attribute and double write total tokens cost. (#5121)
• Change mapping of incoming OTLP spans with ERROR status to Sentry's internal_error status. (#5127)
• Change the feature flag for the alpha OTLP trace endpoint from projects:relay-otel-endpoint to organizations:relay-otlp-trace-endpoint. (#5133)
• Add ai_operation_type_map to global config. (#5125)
• Infer gen_ai.operation.type from span.op. (#5129)

25.8.0

• Add data categories for Prevent. (#5052)

Features:

• Build and publish Relay containers with a distroless base image. (#4940)
• Add unhandled status type for Release Health session and sessions envelopes. (#4939)
• Implements basic inbound filters for logs. (#5011)
• Always emit a span usage metric, independent of span feature flags. (#4976)
• Improve PII scrubbing for logentry.formatted by ensuring only sensitive data is redacted, rather than replacing the entire field value. (#4985)
• Add payload size as an attribute to logs. (#5042)
• Pass downsampled_event_retention to Traceitem where appropriate. (#5013, #5041)
• Remove RelayMode::Capture and the associated logic. (#5053)

Bug Fixes:

• Normalize OS and Browser names in contexts when missing a version. (#4957)
• Normalize AI pipeline name and streaming flag to gen_ai.* names. (#4982)
• Deal with sub-microsecond floating point inaccuracies for logs and spans correctly. (#5002)

Internal:

• Enforce span limits for transactions and vice versa. (#4963)
• Emit outcomes for skipped large attachments on playstation crashes. (#4862)
• Disable span metrics. (#4931,#4955)
• Deprecate old AI monitoring attributes. (#4960)
• Normalize legacy ai.* attributes to gen_ai.* names. (#4924)
• Force the routing key to be random instead of letting Kafka handle the randomization. (#4974)
• Stop extracting the sentry.severity_number attribute for logs. (#4989)
• Stop extracting the sentry.trace_flags attribute for logs. (#4988)
• Add Jwm to the supported image types. (#4975)
• Process logs in all non-proxy Relays. (#4973)
• Add support for pre-hashed signatures. (#5012)
• Add producer_name tag, and more rdkafka stats. (#5031)
• Add healthcheck command to relay CLI, for self hosted. (#5044)
• Change the default configuration to produce to snuba-items. (#5055)
• Backfill client and server sample rates on spans. (#5059)

25.7.0

Features:

• Add mechanism to allow ingestion only from trusted relays. (#4772)
• Serialize OTEL span array attributes to JSON. (#4930)

Bug Fixes:

• Preserve user specified event values in Unreal crash reports. (#4882)
• OS name parsing of Unreal crash reports. (#4854)
• Do not overwrite geo information if already set. (#4888)
• The type fields of contexts are now enforced to be strings. Non-string values are replaced with the
  context's key. (#4932)
• Do not drop custom measurements if no config is present. (#4941)

Internal:

• No longer store debug symbols and the source in the docker image. (#4942)
• Forward logs to Kafka directly instead of serialized as envelope. (#4875)
• Remember accepted/ingested bytes for log outcomes. (#4886)
• Add gen_ai.response.tokens_per_second span attribute on AI spans. (#4883)
• Add support for playstation data requests. (#4870)
• Expand the NEL attributes & others. (#4874)
• Normalize legacy AI agents attributes to OTel compatible names. (#4916)
• Fix cost calculation for cached and reasoning tokens. (#4922)
• Implement serialization of metadata for logs. (#4929)

25.6.2

Features:

• Add configuration to allow high cardinality tags in metrics. (#4805)
• Make client sdk mandatory for profile sample v2. (#4853)
• Sharding into many topics based on partition key. (#4861)
• Parse Chromium stability report from minidumps into context (#4837)

Internal:

• Introduces a new processing pipeline and implements it for logs. (#4777)
• Produce spans to the items topic. (#4735)
• Update opentelemetry-proto and sentry-protos dependencies. (#4847)
• Take into account more types of tokens when doing AI cost calculation. (#4840)
• Use the FiniteF64 type for measurements. (#4828)
• Derive a sentry.description attribute for V2 spans (#4832)
• Consider gen_ai also as AI span op prefix. (#4859)
• Change pii scrubbing on some AI attributes to optional (#4860)
• Conditionally set total_cost and total_tokens attributes on AI spans. (#4868)

25.6.1

Features:

• Convert NEL reports into logs. (#4813
• Add parsing for Nintendo Switch to populate os.name="Nintendo OS". (#4821)

Internal:

• Always combine replay payloads and remove feature flag guarding it. (#4812)

25.6.0

Features:

• Add logic to extract event json from userdata in prosperodumps. (#4755
• Add browser name/version to logs. (#4757)
• Accept standalone spans in the V2 format. This feature is still highly experimental! (#4771)
• Enable filtering sessions by IP address, release, and user agent. (#4745)
• Allow pii scrubbing of the source_file field on Csp. (#4806)

Bug Fixes:

• Use sentry prefix for browser name/version in logs. (#4783)
• Do not overcount the number of bytes in logs. (#4786)
• Record observed time for logs. (#4795)

Internal:

• Remove the "unspecified" variant of SpanKind. (#4774)
• Normalize AI data and measurements into new OTEL compatible fields and extracting metrics out of said fields. (#4768)
• Switch sysinfo dependency back to upstream and update to 0.35.1. (#4776)
• Consistently always emit session outcomes. (#4798)
• Set default sdk name for playstation crashes. (#4802)
• Skip large attachments on playstation crashes. (#4793)
• Use the received timestamp as observed nanos for logs. (#4810)

25.5.1

Features:

• Allow environment references in Relay configuration. (#4750)

Internal:

• Reduce warning logs, emit warnings to the configured Sentry instance. (#4753)

25.5.0

Features:

• Custom attachment expansion for Switch. (#4566)
• Add the type of the attachment that made the envelope too large to invalid outcomes. (#4695)
• Add OTA Updates Event Context for Expo and other applications. (#4690)
• Add data categories for Seer. (#4692)
• Allow pii scrubbing of all span sentry_tags fields. (#4698)
• Add experimental playstation processing logic. (#4680)
• Add OTA Updates Event Context for Replay Events. (#4711)
• Add partition key rate limiter. (#4730)

Bug Fixes:

• Add fenced-frame-src to CspDirective. (#4691)

Internal:

• Remove threads with 1 non-idle sample in profiling chunks. (#4694)
• Migrate all Rust workspace crates to edition 2024. (#4705)
• Produce logs to the items topic. (#4707)