chore(main): Release 1.19.0

[grafana-alloybot]

🤖 I have created a release beep boop

1.19.0

1.19.0 (2026-08-14)

⚠ BREAKING CHANGES

• The memory_limiter processor's internal telemetry metrics were renamed upstream in OpenTelemetry Collector v0.155.0 to carry a memory_limiter prefix
• Remove the prometheus.write.queue component (#6814)

Features 🌟

• Add ability to exempt lines matching a configured regex pattern from loki.process stage.luhn (#6608) (2e0748d)
• Add opamp supervisor (#6815) (e891e30)
• Add start_timestamp_zero_ingestion to Prometheus metric components (#6610) (1a9ed95)
• beyla.ebpf: Run Beyla as a subprocess (#6695) (61ec3d2)
• Binary Alloy Homebrew Formula (#6723) (024d224)
• Bump otel to v0.158.0 and prometheus to v3.13.2 (#6842) (aef2e8b)
• Check imports of inline Alloy config in OTel mode (#6677) (fda0449)
• database_observability.mysql: Add support for clustering mode (#6775) (0cfa960)
• database_observability.postgres: Add user, pid, and sqlstate fields to op=error_message (#6770) (73e29dc)
• database_observability.postgres: Emit op=query_association_v2 carrying query_fingerprint (#6297) (75239d0)
• database_observability.sql_server: Add query_details collector (#6788) (cec31b2)
• database_observability.sql_server: Add query_metrics collector (#6743) (35babfd)
• database_observability.sql_server: Support csp metadata for SQL Server (#6689) (24c7207)
• discovery.azure: Add "sdk_auth" and "workload_identity" auth options (#6671) (9fa8b51)
• Expose new kafka receiver/exporter knobs after upgrade to v0.158.0 (#6868) (88601cb)
• loki.process: Add stage.split_json to split top-level JSON arrays (#6823) (7bdd3dd)
• loki.secretfilter: Promote loki.secretfilter to public preview (#6724) (4053610)
• otelcol.receiver.prometheus: Return stable refs (#6822) (4633351)
• otelcol: Add otelcol.processor.redaction (#6647) (ea35e8a)
• Part 3 - Expose knobs for OTel v0.158.0 upgrade - add exposed_headers to otel http config (#6889) (c42f0c4)
• Part 4 - Expose knobs for Prometheus 3.13.2 & OTel v0.158.0 upgrade (#6890) (8a877bf)
• prometheus.exporter.mssql: Add a new max_connection_lifetime config attribute (#6700) (5286dd6)
• prometheus.operator: Add missing native histogram scrape for parity with scrape (#6406) (368f772)
• prometheus.operator: Expose bodySizeLimit and enableCompression (#6657) (8fa09a1)
• pyroscope.java: Add tlab profiling config option for TLAB-based allocation events (#6754) (b955613)
• pyroscope.java: Update async-profiler binaries to v4.5 (#6739) (9b8aa87)
• pyroscope.write: Add retry_on_http_429 endpoint option (#6763) (bcd909d)
• pyroscope: Support span context propagation from OBI (including Beyla component) (#6298) (24d66d0)

Bug Fixes 🐛

• Add nop receiver to OTel Engine (#6751) (8b7703c)
• beyla.ebpf: Remove wrong native_histograms config attribute (#6086) (99074ba)
• Clashing cross compilation env variables when building/generating alloy (#6793) (0c7af36)
• database_observability.postgres: Restore cgo SQL fingerprinting on Windows (#6746) (bc33331)
• database_observability.postgres: Roll back op=query_association_v2, fold fingerprint into op=query_association (#6745) (40e8f1e)
• dependencies: Upgrade golang.org/x/text to v0.39.0 (#6744) (105ecf6)
• discovery.relabel: Use the underlying string of secret target values (#6605) (171aea1)
• fmt: Do not write a file if no formatter changes are needed (#6871) (a7696d5)
• Harden the configmap reloader container (#6780) (e49e090)
• loki.process: Return errors from metric registration instead of panicking (#6078) (a388da5)
• loki.source.docker: Respect label changes (#6818) (d0525a9)
• loki.source.docker: Restart tailers when config changes (#6826) (eb7f3ef)
• loki.source.docker: Stop tailer when container no longer exists (#6309) (44f0377)
• loki.source.file, loki.source.journal: Fail loudly on unreadable legacy positions file (#6750) (2425b8a)
• loki.source.windowsevent: Use octal notation for file permissions (#6077) (789140d)
• otelcol.exporter.loadbalancing: Change default Kubernetes resolver timeout to 1m (#6702) (d425ad9)
• prometheus.fanout: Correct series-ref handling on the unmapped fanout path (#6821) (2edaaab)
• prometheus.receive_http: Eliminate free-port race in tests (#6827) (37b652c)
• prometheus: Reduce metadata pipeline allocation overhead (#6698) (1fef867)
• security/HIGH/internal/web/ui: Update npm dependency react-router to v7.18.2 [SECURITY] (#6848) (d78bd74)
• security/UNKNOWN/: Update module google.golang.org/grpc to v1.82.1 [SECURITY] (#6735) (bffcf59)
• ui: Move legends to bottom (#6851) (546c65f)
• Upgrade go-re2 to v1.12.0 to allow MemoryDenyWriteExecute=true with loki.secretfilter (#6737) (f34140a)

Chores

• Remove the prometheus.write.queue component (#6814) (b168d0e)

syntax: 0.1.2

0.1.2 (2026-08-14)

Bug Fixes 🐛

• validation: Typecheck attribute object (#6802) (33d3313)

---

This PR was generated with Release Please. See documentation.

[github-actions]

💻 Deploy preview available (chore(main): Release 1.19.0):

• https://deploy-preview-alloy-6718-zb444pucvq-vp.a.run.app/docs/alloy/next/