1.2.1 - 2026-06-24

Release Notes

🐛 Bug Fixes

• Compile instrument-hooks generated C with -std=c11 by @not-matthias

🧪 Testing

• Add darwin-only fibonacci benchmark for flamegraph testing by @not-matthias in #61

⚙️ Internals

• Use latest runner-version for benchmarks by @not-matthias in #65
• Bump instrument-hooks to d83209f for macos support by @not-matthias
• Use --locked when installing cargo-codspeed by @GuillaumeLagrange in #60

Install codspeed-go-runner 1.2.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.2.1/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.2.1

File	Platform	Checksum
codspeed-go-runner-aarch64-apple-darwin.tar.xz	Apple Silicon macOS	checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

1.2.0 - 2026-04-28

Release Notes

This release adds first support for macOS walltime.

Please note that profiling and other instruments are not yet available on macOS and will come in a later update.

🚀 Features

• Add apple darwin to the release pipeline by @GuillaumeLagrange in #59
• Simplify C FFI integration and make it compatible with macos by @GuillaumeLagrange
• Allow overriding instrument-hooks path via env var by @GuillaumeLagrange

⚙️ Internals

• Get rid of the moonrepo/setup-rust action by @GuillaumeLagrange
• Add basic macos CI test by @GuillaumeLagrange

Install codspeed-go-runner 1.2.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.2.0/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.2.0

File	Platform	Checksum
codspeed-go-runner-aarch64-apple-darwin.tar.xz	Apple Silicon macOS	checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

1.1.0 - 2026-04-17

Release Notes

We now collect buildtime and runtime environment data to warn users about differences in their runtime environment when comparing two runs against one another.

This data includes toolchain metadata like version and build options, as well as a list of dynamically loaded linked libraries.

🚀 Features

• Collect Go toolchain environment information by @GuillaumeLagrange in #57

⚙️ Internals

• Bump instrument-hooks to collect runtime libraries by @GuillaumeLagrange in #58

Install codspeed-go-runner 1.1.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.1.0/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.1.0

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

1.0.2 - 2026-03-16

Release Notes

🐛 Bug Fixes

• Detect missing C compiler before building instrument hooks by @not-matthias

📚 Documentation

• Add AGENTS.md by @not-matthias in #55

Install codspeed-go-runner 1.0.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.0.2/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.0.2

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

1.0.1 - 2026-01-27

Release Notes

🐛 Bug Fixes

• Disable stripping of symbols and debug information by @not-matthias in #52
• Ensure test binary exists after execution by @not-matthias
• Reduce fib computation workload by @not-matthias

⚙️ Internals

• Fix Cargo.lock after release by @adriencaccia

Install codspeed-go-runner 1.0.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.0.1/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.0.1

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

1.0.0 - 2026-01-20

Release Notes

🚀 Features

• Rewrite crate to use overlay files by @not-matthias

🐛 Bug Fixes

• Limit maximum b.N benchmark time by @not-matthias
• Limit maximum b.Loop() execution time by @not-matthias
• Check Go version compatibility before running tests by @not-matthias in #49
• Bump minimum go version due to synctest usage by @not-matthias
• Run tests using go executable by @not-matthias
• Add support for go1.24 by @not-matthias
• Sort snapshots using URI to have deterministic ordering by @not-matthias
• Only execute benchmarks, exclude tests by @not-matthias

🏗️ Refactor

• Move shared logic to external file by @not-matthias

⚙️ Internals

• Update patch files by @not-matthias in #50
• Remove caddy test by @not-matthias
• Remove hugo test by @not-matthias
• Remove dry-run by @not-matthias
• Remove testing by @not-matthias
• Remove example-codspeed by @not-matthias
• Remove the forked pkgs by @not-matthias

Install codspeed-go-runner 1.0.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v1.0.0/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 1.0.0

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

0.6.2 - 2025-12-15

Release Notes

🐛 Bug Fixes

• Remove codspeed folder used for integration tests by @not-matthias in #45

⚙️ Internals

• Add example using integration test by @not-matthias

Install codspeed-go-runner 0.6.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v0.6.2/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 0.6.2

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

0.6.1 - 2025-12-04

Release Notes

🐛 Bug Fixes

• Incomplete reading of benchmark time in b.N loops by @not-matthias in #43

Install codspeed-go-runner 0.6.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v0.6.1/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 0.6.1

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

0.6.0 - 2025-11-28

Release Notes

🐛 Bug Fixes

• Emit markers for benchmarks using b.Loop() by @not-matthias in #42
• Save measurements only in the benchmark framework by @not-matthias in #41
• Use precise version in fork script by @not-matthias

⚙️ Internals

• Add edge case where timer is stopped at end of benchmark by @not-matthias
• Add more test cases to handle setup scenarios by @not-matthias

Install codspeed-go-runner 0.6.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v0.6.0/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 0.6.0

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum

0.5.1 - 2025-11-19

Release Notes

🚀 Features

• Reduce warmup time to avoid long benchmark times by @not-matthias
• Allow benchmarks with RunParallel by @not-matthias
• Process raw results while running benchmarks by @not-matthias in #38
• Switch to mimalloc by @not-matthias
• Use shared temp directory for all packages by @not-matthias

🐛 Bug Fixes

• Emit StopBenchmark command even when benches failed by @not-matthias in #40
• Local package not used due to incorrect env var by @not-matthias in #39
• Clear raw_results folder after processing by @not-matthias
• Incorrect first iteration time by @not-matthias

🏗️ Refactor

• Revert patches on drop by @not-matthias

⚙️ Internals

• Add examples with RunParallel by @not-matthias
• Enable log warnings for external modules by @not-matthias in #36

Install codspeed-go-runner 0.5.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed-go/releases/download/v0.5.1/codspeed-go-runner-installer.sh | sh

Download codspeed-go-runner 0.5.1

File	Platform	Checksum
codspeed-go-runner-aarch64-unknown-linux-musl.tar.xz	ARM64 MUSL Linux	checksum
codspeed-go-runner-x86_64-unknown-linux-musl.tar.xz	x64 MUSL Linux	checksum