4.10.4 - 2026-02-02

Release Notes

🚀 Features

• Check for repository existence before run in local runs by @GuillaumeLagrange in #229
• Support pytest-codspeed memory profiling by @not-matthias in #225
• Attach to different jemalloc prefixed functions by @not-matthias
• Support tracking libstdc++ by @not-matthias
• Track posix_memalign by @not-matthias

🐛 Bug Fixes

• Check non-default allocators first by @not-matthias
• Reset owernship by @not-matthias

🏗️ Refactor

• Use standard allocation API across allocators by @not-matthias in #212

⚙️ Internals

• Use snapshots for c tests by @not-matthias
• Only run tests in CI by @not-matthias
• Use single thread for tests to avoid opening too many files by @not-matthias
• Add cpp allocator test by @not-matthias
• Add rust allocator tests by @not-matthias
• Allow tracking statically linked allocators in tests by @not-matthias

Install codspeed-runner 4.10.4

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.10.4/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.10.4

File	Platform	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

4.10.3 - 2026-01-29

Release Notes

🐛 Bug Fixes

• Deserialize memory results as integer by @not-matthias in #227
• Use a BufWriter to write perf.metadata by @GuillaumeLagrange in #226

Install codspeed-runner 4.10.3

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.10.3/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.10.3

File	Platform	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

4.10.2 - 2026-01-29

Release Notes

🚀 Features

• Improve efficiency of parse_perf_file by @GuillaumeLagrange
• Parse the perf file memory mappings by @GuillaumeLagrange

🐛 Bug Fixes

• Remove very spammy trace logs by @GuillaumeLagrange in #224

⚙️ Internals

• Remove useless conversions. by @GuillaumeLagrange

Install codspeed-runner 4.10.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.10.2/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.10.2

File	Platform	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

4.10.1 - 2026-01-28

Release Notes

🚀 Features

• Implement codspeed use to set mode for shell session by @GuillaumeLagrange in #221
• Show codspeed banner in CI when exec_harness is used by @GuillaumeLagrange
• Improve the result table display (#217) by @art049 in #217

🐛 Bug Fixes

• Initialize tracker before spawning sub-process by @not-matthias

🏗️ Refactor

• Restructure event handling with a common header and improve event parsing by @not-matthias
• Create a module for shared structs between exec and run by @GuillaumeLagrange
• Remove logic from the run module by @GuillaumeLagrange
• Move the cli related module inside a cli module by @GuillaumeLagrange

⚙️ Internals

• Bump memtrack version
• Turn warning about overwritten unwind_data into debug logs by @GuillaumeLagrange in #223
• Fix cargo check on macOs by @adriencaccia
• Remove codspeed use without argument in favor of codspeed show by @GuillaumeLagrange in #222
• Add clang-format pre-commit hook by @not-matthias in #219
• Save both old and new addr for realloc event by @not-matthias

Install codspeed-runner 4.10.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.10.1/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.10.1

File	Platform	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

memtrack-v1.2.1

Install memtrack 1.2.1

Install prebuilt binaries via shell script

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

Download memtrack 1.2.1

File	Platform	Checksum
memtrack-aarch64-unknown-linux-gnu.tar.gz	ARM64 Linux	checksum
memtrack-x86_64-unknown-linux-gnu.tar.gz	x64 Linux	checksum

4.10.0 - 2026-01-26

Release Notes

🚀 Features

• Add pre-commit check to sync schema with code by @GuillaumeLagrange
• Add binary to generate project config schema by @GuillaumeLagrange
• Add command aliases by @art049 in #216

🐛 Bug Fixes

• Rename targets to benchmarks in the project_config to match spec by @GuillaumeLagrange in #220
• Use child process instead of pid/perf fifo for FIFO health check by @not-matthias in #201
• Make FIFO cancel-safe by @not-matthias
• Dont run health check in hot path by @not-matthias
• Update warning message format for go runner installation by @not-matthias in #218
• Tweaked exec-harness build for gcc15+ by @art049

🏗️ Refactor

• Move the whole runner logic under lib.rs to add other binaries by @GuillaumeLagrange

⚙️ Internals

• Add cancel-safety test for FIFO by @not-matthias
• Remove cargo check from pre-commit by @GuillaumeLagrange in #215
• Remove runner_mode from project config by @GuillaumeLagrange
• Improve readme by @art049 in #214

Install codspeed-runner 4.10.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.10.0/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.10.0

File	Platform	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

4.9.0 - 2026-01-23

Release Notes

🚀 Features

• Flatten the walltime options in the yaml by @GuillaumeLagrange in #211
• Add go-runner-version CLI argument by @not-matthias in #213
• Add allow_empty in upload metadata by @fargito in #208
• No longer warn on missing results by @fargito
• Clean-up the build script by @GuillaumeLagrange
• Bail when used with a statically linked binary by @GuillaumeLagrange
• Embed the preload library in the binary by @GuillaumeLagrange
• Add a codspeed_preload library for valgrind instrumentation by @GuillaumeLagrange
• Print command under test before running it by @GuillaumeLagrange
• Skip upload if --allow-empty is set and no results were produced by @fargito in #205

🐛 Bug Fixes

• Follow frames until we find a non inlined functions in debug info by @GuillaumeLagrange in #202

🏗️ Refactor

• Move the preload_file management to its own module by @GuillaumeLagrange

⚙️ Internals

• Bump exec-harness version
• Remove the "Fetching the results" log group by @GuillaumeLagrange
• Make logs text only by @GuillaumeLagrange
• Make the runner less verbose in info logs by @GuillaumeLagrange
• Revamp readme by @art049 in #178
• Replace CodSpeedHQ/runner with CodSpeedHQ/codspeed by @art049 in #210
• Build exec-harness in gnu for release by @GuillaumeLagrange in #209
• Change arm runner by @GuillaumeLagrange
• Move back the received command log to trace by @GuillaumeLagrange

Install codspeed-runner 4.9.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.9.0/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.9.0

File	Platform	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

exec-harness-v1.1.0

Install exec-harness 1.1.0

Install prebuilt binaries via shell script

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

Download exec-harness 1.1.0

File	Platform	Checksum
exec-harness-aarch64-unknown-linux-gnu.tar.gz	ARM64 Linux	checksum
exec-harness-x86_64-unknown-linux-gnu.tar.gz	x64 Linux	checksum

4.8.2 - 2026-01-21

Release Notes

🐛 Bug Fixes

• Check whether artifact contains any elements by @not-matthias in #204

Install codspeed-runner 4.8.2

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/runner/releases/download/v4.8.2/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.8.2

File	Platform	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

4.8.1 - 2026-01-21

Release Notes

🚀 Features

• Check if memtrack produced artifacts by @not-matthias in #195
• Require minimum protocol version for memtrack by @not-matthias

🐛 Bug Fixes

• Add explicit min version check for memory executor by @not-matthias in #203

Install codspeed-runner 4.8.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/runner/releases/download/v4.8.1/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.8.1

File	Platform	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