4.18.4 - 2026-07-09

Release Notes

💼 Other

• Bump pinned valgrind-codspeed to 3.26.0-0codspeed6 (#448) by @adriencaccia in #448
  • fix: hangs on ARM64 due to atomics by @not-matthias in CodSpeedHQ/valgrind-codspeed#23
  • fix(aspacem): raise amd64 managed address ceiling to 1 TiB by @not-matthias in CodSpeedHQ/valgrind-codspeed#22

Install codspeed-runner 4.18.4

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.18.4/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.18.4

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

4.18.3 - 2026-07-08

Release Notes

🚀 Features

• Bump valgrind-codspeed to 3.26.0-0codspeed5 (#444) by @adriencaccia in #444
  • Fix valgrind on ARM by @not-matthias in CodSpeedHQ/valgrind-codspeed#21

Install codspeed-runner 4.18.3

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.18.3/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.18.3

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

4.18.2 - 2026-07-07

Release Notes

🐛 Bug Fixes

• Source forwarded env below memtrack's capability boundary by @not-matthias in #439

Install codspeed-runner 4.18.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.18.2/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.18.2

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

4.18.1 - 2026-06-24

Release Notes

🚀 Features

• Bump go-runner to 1.2.1 by @adriencaccia

📚 Documentation

• Document go-runner hash table and test-driven hash workflow by @adriencaccia in #421

Install codspeed-runner 4.18.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.18.1/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.18.1

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

4.18.0 - 2026-06-23

Release Notes

🚀 Features

• Bump valgrind-codspeed to 3.26.0-0codspeed4
• Bump samply by @GuillaumeLagrange in #415
• Set env var to have node dump inlining information by @GuillaumeLagrange
• Change isolation logic to include samply and non root fallback by @GuillaumeLagrange
• Add experimental --cycle-estimation flag by @not-matthias in #412
• Make samply-codspeed a submodule rather than git rev with cargo by @GuillaumeLagrange in #416

🐛 Bug Fixes

• Honor locally-installed valgrind on non-apt systems by @not-matthias in #414

Install codspeed-runner 4.18.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.18.0/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.18.0

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

v4.17.7-alpha.2

Install codspeed-runner 4.17.7-alpha.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.17.7-alpha.2/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.17.7-alpha.2

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

v4.17.7-alpha.1

Install codspeed-runner 4.17.7-alpha.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.17.7-alpha.1/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.17.7-alpha.1

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

4.17.6 - 2026-06-18

Release Notes

🚀 Features

• Show memtrack capability status in setup status by @not-matthias
• Run memtrack sudo-less via file capabilities by @not-matthias
• Use extra events when using samply on linux by @GuillaumeLagrange in #404
• Update PerfEvent to also support samply format by @GuillaumeLagrange
• Use isolation for with samply by @GuillaumeLagrange
• Make eh_frame_hdr optional in unwind data (V4) by @not-matthias

🐛 Bug Fixes

• Keep rolling buffer off during executor setup by @not-matthias in #411
• Gate memory executor behind Linux target by @not-matthias
• Enable tracking when running without IPC by @not-matthias
• Tolerate RLIMIT_MEMLOCK EPERM on modern kernels by @not-matthias
• Install libc6-dbg during valgrind setup by @not-matthias in #394
• Skip rustup-wrapped proxy in trace-children by @not-matthias in #405
• Retry streamed uploads on transient failures by @not-matthias in #399
• Extract unwind data for binaries without eh_frame_hdr by @not-matthias

💼 Other

• Drop OpenSSL, move TLS stack to rustls (#406) by @art049 in #406

🏗️ Refactor

• Split executor privilege granting into grant_privileges by @not-matthias

📚 Documentation

• Add unwind data version changelog by @not-matthias in #393

⚙️ Internals

• Grant memtrack file capabilities before memory tests by @not-matthias in #407
• Bump samply to support additional events by @GuillaumeLagrange
• Add helper script to use local versions of samply and framehop easily by @GuillaumeLagrange

Install codspeed-runner 4.17.6

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.17.6/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.17.6

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

4.17.5 - 2026-06-10

Release Notes

🚀 Features

• Add optional mode arg to target setup by @fargito in #397
• Restore DYLD_INSERT_LIBRARIES from SAMPLY_ alias by @not-matthias
• Restore DYLD_INSERT_LIBRARIES from SAMPLY_ alias by @not-matthias

🐛 Bug Fixes

• Use %p in log file path to avoid multi-process overwrite by @not-matthias in #381

💼 Other

• Enable set -u to match go.sh by @not-matthias in #389

⚙️ Internals

• Bump samply by @not-matthias
• Bump samply to fix sigkill by @not-matthias in #386

Install codspeed-runner 4.17.5

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.17.5/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.17.5

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

4.17.4 - 2026-06-05

Release Notes

🐛 Bug Fixes

• Purge inherited mappings on execve to fix unknown symbols (#392) by @GuillaumeLagrange in #392

Install codspeed-runner 4.17.4

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.17.4/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.17.4

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