v1.0.0

Warning

v1.0.0 is retracted. otelc pin writes incorrect module paths into
user go.mod files. Use v1.0.1 instead.

This was the first stable release of OpenTelemetry Go Compile-Time
Instrumentation. It is retracted due to a bug in otelc pin that writes
incorrect module paths into user go.mod files. v1.0.1 fixes this.

New Instrumentation Libraries

• MongoDB — DB client spans (#554)
• Gin (gin-gonic/gin) — HTTP server spans (#501)
• OpenAI Go SDK (v1/v2/v3) — GenAI spans (#604)
• Kafka (segmentio/kafka-go) — messaging spans (#302)
• k8s-client-go informers — Kubernetes resource spans (#426)
• log/slog/logrus — trace context injection (#609)

New Features

• otelc pin command: discovers and pins instrumentation packages to
  otel.instrumentation.go, giving projects source-controlled instrumentation
  configuration (#655)
• Load instrumentation rules directly from otel.instrumentation.go (#612)
• Auto-initialize the OTel SDK on startup; respect OTEL_SDK_DISABLED;
  add console and none exporter options (#625, #668)
• Vendor support: otelc now works with projects that use go mod vendor
  (#616)
• Filter combinators for rule targeting: AllOf (#381), OneOf (#385),
  Not (#386), join point filter interface (#377)
• where.file predicates: is_test (#562), has_package (#642)
• Glob matching on rule target for package selection (#561)
• Customizable injection in InstRawRule with pattern matching (#450)
• State manager for reliable tracking of modified and generated files,
  with crash-safe atomic persistence (#618, #670)
• Root module rule target (#629)
• Serialize concurrent otelc invocations with a build lock (#672)
• Resolve rule paths from go/packages (#617)

Module Path Change

The module path is now go.opentelemetry.io/otelc (#656). Update
your go.mod imports if you were depending on the previous path.

Fixes

• Backup handling for multi-module setups (#515)
• Trampoline name disambiguation across do-sequence entries (#560)
• --work-dir now correctly controls the full otelc workspace (#528)
• Decouple trace instrumentation from sdk/trace (#647)
• toolexec GOFLAGS drop-in (#674)
• Support non-main package names for otelc.runtime.go (#682)
• Stale parent goroutines in GLS pool (#678)

Infrastructure

• otelc-bundle.tgz committed to git with bundle verification CI (#677)
• Integration tests sharded and cached (#681)
• 70% unit-test coverage gate enforced in CI (#575, #630)
• Rule files renamed to otelc.yaml (#606)

New Contributors

• @SatyamPandey-07, @pradhyum6144, @waqar2403, @macayu17,
  @ADITYA-CODE-SOURCE, @karthik120710, @hannahkm

Full Changelog: v0.5.0...v1.0.0