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Changelog

All notable changes to this project are documented in this file.

The format is based on Keep a Changelog and this project follows semantic versioning.

[Unreleased]

Added

  • Added test_optimization_manifest_sync and test_optimization_manifest_sync_extension for consumer-managed, invocation-scoped Go/Python monorepo onboarding. The new aggregate repository exports target-to-context data, narrow per-context/per-module labels, bundled contexts, and a generated exact-target file without requiring a checked-in service registry.
  • Added dynamic exact-target input support to the doctor and convenience target macro, plus integration coverage for disabled behavior, deterministic manifests, no-host-Go execution, multi-context enrichment, and metadata cache isolation.
  • Reusable Go WORKSPACE helpers for config-gated metadata sync and fixed-name Orchestrion repository declaration, matching the public Go Bzlmod onboarding contract.
  • Added a non-default rules_go v0.62.0 support line with the maintained Orchestrion integration and public consumer patch profile.

Changed

  • The public Go Bzlmod extension now defaults enabled_by_env to True, so omitting --config=test-optimization disables metadata sync and Orchestrion together while the named config enables both.
  • Config-gated Go and Python macros now consume disabled sync exports as real runtime no-ops while preserving the consumer's ordinary public test target. Go emits the public raw go_test; Python keeps the selected runner and applies the CI Visibility runtime kill switch.
  • Python payload selection now derives the normal module identifier from runtime and Bazel package metadata, keeping explicit module_identifier values for repository-specific exceptions. When module groups are available, explicit identifiers and module-label overrides must match one; inferred or derived misses and metadata with no module groups retain the canonical full-bundle fallback.
  • The Go WORKSPACE bootstrap template now generates one central config-gated dd_go_test wrapper. The former optimized wrapper name is a compatibility alias to that same function, not a second rollout path.
  • Go consumers upgrading from 1.2.0 should rerun dd_topt_go_bootstrap with --write-bazelrc before or with the Rule upgrade. The managed .bazelrc update is idempotent and adds both metadata and Orchestrion activation to the test-optimization config. Consumers that deliberately retain manual always-enabled metadata may set enabled_by_env = False, but must also keep the Orchestrion build setting enabled.

Fixed

  • Go test analysis now fails with migration guidance when Test Optimization metadata is enabled but the global Orchestrion build setting is disabled, preventing a partial upgrade from silently dropping instrumentation.
  • Config-disabled Go analysis now resolves stable empty Orchestrion repository targets before host-Go discovery or source fetching, so ordinary targets do not require Go to be installed merely because the integration is declared.

[1.2.0] - 2026-06-03

Added

  • Go companion support for orchestrion_mode = "test_optimization" on dd_topt_go_test, including bootstrap/docs wiring and integration coverage for the standard Go testing path.
  • Go target metadata for the selected Orchestrion mode and test-binary linker optimization state.

Changed

  • Optimized Go Test Optimization builds by narrowing Orchestrion work to the test path, trimming synthetic test link inputs, and keeping ordinary package compiles on the plain rules_go path in test_optimization mode.
  • Isolated Go Orchestrion dependency preparation so generated onboarding wiring is easier to validate and maintain.
  • Updated the Python example ddtrace pin to 4.10.1.

Fixed

  • Corrected mode-aware Go Test Optimization metadata so doctor/uploader validation can inspect the selected mode and linker optimization state.

[1.1.0] - 2026-05-25

Added

  • Java companion now ships a WORKSPACE repository helper for non-bzlmod consumers.
  • Java onboarding documentation skill to guide new Java consumers.

Changed

  • Refreshed documentation around the supported test -> doctor -> dry-run enrichment -> upload flow, large WORKSPACE Go onboarding, and current Orchestrion tracer pins.
  • Hardened git repository URL handling by stripping URL userinfo before forwarding metadata.
  • Improved sync schema parser fallback behavior to try Ruby after any PyYAML failure.
  • Standardized Go example formatting and test diagnostics across single-service and multi-service examples.
  • Added a workspace-wide Go tracer selection flow that supports:
    • shared dd_trace_go_version pins,
    • per-module dd_trace_go_versions pins for real SHA-based resolution,
    • bootstrap normalization of tags, pseudo-versions, branches, and commit SHAs into exact persisted versions,
    • mismatch checks that stop Bazel builds when the configured tracer versions and local Go module pins drift apart.
  • Added CI hardening for Python dependency installation, Buildifier checks, gofmt checks, and fixture JSON validation.
  • Added release automation workflow (.github/workflows/release.yml) to codify release runbook validation.
  • Updated the default Go tracer pin for Bazel/Orchestrion onboarding from the previous pseudo-version to v2.9.0-rc.2.
  • UPLOADER_VERSION now tracks RULES_VERSION so both move together in future releases.

Fixed

  • Core: preserve the raw executable basename in the Unix wrapper symlink so argv[0]-sensitive test binaries observe the expected name.
  • Java: corrected the testonly selector so Java test targets are recognized consistently.

[1.0.0] - 2026-02-19

Added

  • Initial public release of Datadog Test Optimization Bazel rules with:
    • repository/module sync rule for settings + known-tests + test-management payload retrieval,
    • workspace uploader target (dd_payload_uploader) for post-test payload upload,
    • generated runfile contracts (test_optimization_files, test_optimization_context, module_<sanitized>).
  • Go companion module with dd_topt_go_test macro and importpath-aware payload selection.
  • Python companion module with dd_topt_py_test analysis-time payload selection.
  • Java companion module with dd_topt_java_test analysis-time payload selection.
  • NodeJS companion module with dd_topt_nodejs_test analysis-time payload selection.
  • .NET companion module with dd_topt_dotnet_test analysis-time payload selection.
  • Ruby companion module with dd_topt_ruby_test analysis-time payload selection.
  • Example workspaces for single-service and multi-service usage patterns.

Changed

  • Established CI validation matrix covering core rules, companion module, examples, and integration harnesses.