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Changelog

All notable changes to this project will be documented in this file.

[0.6.0] - 2026-07-20

Added

  • Structured --verbose observability logging: key=value events for startup, request begin/end, config reloads, proxy errors, and shutdown, with sensitive query-string redaction and control-character sanitization. Warnings and errors are written to stderr, info/debug to stdout.

Changed

  • Bumped GitHub Actions Go runtime to 1.25.12 in CI and release workflows to clear the GO-2026-5856 standard-library advisory.
  • Release workflow now mints a short-lived GitHub App token and announces releases to Discord.

[0.5.2] - 2026-06-12

Changed

  • Bumped GitHub Actions Go runtime to 1.25.11 in CI and release workflows.

Fixed

  • Restored passing govulncheck in CI/release after upstream Go standard library vulnerability updates.

[0.5.0] - 2026-05-30

Added

  • failFirstN middleware: fails the first N requests, then passes through all subsequent requests. Config: { n, status?, body? }.

[0.4.1] - 2026-05-30

Changed

  • Hardened CI and release workflows:
    • pinned GitHub Actions to commit SHAs
    • added govulncheck to CI and release checks
    • pinned GoReleaser version in the release workflow
    • tightened workflow permissions

Fixed

  • Bumped GitHub Actions Go runtime to 1.25.10 so vulnerability checks pass against patched standard library versions.

Dependencies

  • Updated Go modules via Dependabot (go.mod and go.sum).

[0.4.0] - 2026-04-21

Added

  • OpenTelemetry endpoint implementation.

[0.3.0] - 2026-03-19

Added

  • Optional seed support for failRandomly, dropConnection, and latencyRange for reproducible randomness

Fixed

  • bodyTransformJSON now skips response mutation for streamed responses and preserves pass-through behavior

[0.2.1] - 2026-03-19

Added

  • Test added for in-flight request snapshot isolation during config reload.

[0.2.0] - 2026-03-19

Added

  • Runtime config reload via POST /reload endpoint without process restart.
  • ReloadConfig programmatic API for dynamic configuration updates.
  • Full atomic snapshot semantics: in-flight requests are deterministic, new requests use updated config immediately.
  • Integration tests for reload success, failure/rollback, HTTP endpoint, and concurrent rejection.

[0.1.0] - 2026-03-18

Added

  • Graceful shutdown using http.Server with OS signal handling.
  • --verbose per-request logging.
  • Throttle middleware registration in the default middleware registry.

Changed

  • Improved project documentation.

Fixed

  • Client abort propagation in latency and latencyRange middleware.
  • Throttle burst allowance reset per request.
  • --help no longer starts the server (startup logic moved into Cobra RunE).
  • Rate-limit race condition and negative X-RateLimit-Remaining header values.
  • Throttle delay precision using nanosecond-accurate duration calculation.
  • bodyTransformJSON now applies to parameterized Content-Type headers.
  • Silent url.Parse error handling and GET/POST typo in example config.

[0.0.1] - 2025-10-09

Added

  • Initial release: Go port of fetch-kit/chaos-proxy
  • Core proxy server and middleware registry
  • Middleware: latency, fail, headerTransform, bodyTransformJSON, rateLimit, cors, throttle, dropConnection, etc.
  • CLI and programmatic API
  • YAML configuration support
  • Full integration and unit test suite