release_2.33.0

• Prepare 2.33.0 (#23594)

release_2.34.0.dev2

• Prepare 2.34.0.dev2 (#23593)

• Concurrent pantsd: Memoize subsystem rules once (#23590)

• update twine to remove extra dependency workarounds (#23586)

• Concurrent pantsd: stdio per run log (#23587)

• Upgrade rust deps shlex & shellexpand, drop dirs-next (#23576)

• update the default Pex version to 2.98.4 (#23577)

• Fix nailgun pool leak when running daemonless pants (#23575)

• test: Attempt to de-flake Buildbarn action cache assertions (#23573)

• Upgrade rust dep toml to 1.1 (#23571)

• Resolve symlinks & shims in build-support/common.sh (#23568)

• Upgrade tokio-rs deps (#23569)

• Implement exclusive locking around uv sync. (#23561)

• upgrade to rust v1.97.1 (#23566)

• Fix scalac plugin paths in BSP options response (#23564)

release_2.33.0rc0

• Prepare 2.33.0rc0 (#23572)

• Implement exclusive locking around uv sync. (Cherry-pick of #23561) (#23567)

• 2.33 performance notes (Cherry-pick of #23545) (#23563)

• 2.33 release notes copy edits & highlights (Cherry-pick of #23538) (#23562)

• A pants_lock binary. (Cherry-pick of #23530) (#23560)

• Correctly rename uv existing lockfiles for use with --sync (Cherry-pick of #23522) (#23534)

• Mention Depot's sponsorship in the release notes (Cherry-pick of #23516) (#23518)

release_2.34.0.dev1

• Prepare 2.34.0.dev1 (#23565)

• enable "thin LTO" in new dist profile (#23527)

• 2.33 performance notes (#23545)

• 2.33 release notes copy edits & highlights (#23538)

• fix(golang): extend third-party package slice to module granularity (#23557)

• A pants_lock binary. (#23530)

• Upgrade rust dep pyo3 to 0.29 (#23558)

• Native suggest_renames (#23535)

• Upgrade rust dep reqwest to 0.13 (#23556)

• Upgrade rust deps prost and tonic to 0.14 (#23554)

• Upgrade rust dep bollard to 0.21 (#23552)

• Upgrade rust dep terminal_size to 0.4 and eliminate some unwraps (#23549)

• Upgrade rust dep sysinfo to 0.39 (#23548)

• Upgrade rust dep opendal to 0.57 (#23550)

• feat(golang): add module level granularity for third party dependencies (#23499)

• Upgrade rust dep sha2 to 0.11, drop digest and generic-array (#23539)

• build: Upgrade rust dep whoami to 2.1.2 (#23546)

• perf(golang): materialize package subset for third party compile (#23515)

• Upgrade rust dep nix to 0.30 (#23541)

• Upgrade rust dep fuser to 0.17 (#23543)

• update the default Pex version to 2.97.3 (#23537)

• Upgrade rust dep internment to 0.8 (#23540)

release_2.34.0.dev0

• Prepare 2.34.0.dev0 (#23536)

• Correctly rename uv existing lockfiles for use with --sync (#23522)

• refactor: Parse BUILD-files once (#23394)

• upgrade indicatif from 0.18.4 to 0.18.6 (#23521)

• use a dedicated render thread for indicatif spinner (#23279)

• fix ironic sandboxer ETXTBSY build error (#23529)

• refactor BuildBarn REAPI integration test and add another regression test (#23509)

• split invalidate_randomly into two deterministic tests (#23280)

• Free-threaded: Pex-style ABI interpreter constraints via extras (#23514)

• Don't invalidate BUILD files on comment/whitespace changes (#23480)

• upgrade rust to v1.97.0 (#23525)

• use pytest 9.x for Pants itself (#23519)

• Perf: lazy init the bootstrap scheduler (#23513)

• Mention Depot's sponsorship in the release notes (#23516)

• Fix: Defer validate_resolved_files in hydrate_sources to support … (#23465)

• use XXBinary more consistently (#23505)

• re-enable test_pantsd_memory_usage (#23292)

• Feature: Add generic option to docker image (#23250)

• Flaky test fix: Increase the 1-second timeout from two Docker executor tests (#23511)

• Issue 13608 rust ffi unwraps (#23448)

release_2.33.0a0

• Prepare 2.33.0a0 (#23506)

• Free-threaded: Native, thread-safe instance memoization (#23492)

• Fix issues with the pex_binary reference doc page (#23508)

• perf: Make rule introspection cheaper at import time (#23507)

• Remove legacy dockerfile parser (#23324)

• update the default Pex version to 2.97.1 (#23501)

• bugfix: Stop misaligning docker build args on invalid address references (#23425)

• Update scalameta to support new given syntax (SIP-64) (#22921)

• admit concurrently() items through a semaphore window (#23486)

• perf: Reduce allocation churn in PosixFS::scandir_sync (#23393)

• Free-threaded: Engine groundwork for performant free-threading (#23489)

• Free-threaded: Thread safe internals (#23491)

• Free-threaded: Abiflags aware build artifacts (#23497)

• Write index config to both uv.toml and pyproject.toml (#23483)

• migrate to REAPI output_paths (#23294)

• add Buildbarn integration tests for REAPI (#23484)

• enable resolves_to_uploaded_prior_to for our own lockfile(s)#23440 (#23473)

• Flaky test fix: Write wrapper-script test scripts from a child process (#23498)

• gitignore scala/metals IDE artifacts (#23500)

• Skip queueing workunit messages for consumers that never poll to avoid unbound memory growth (#23485)

• Free-threaded: Export free threaded site packages (#23488)

• Free-threaded: Drop hdrhistorgram python dependency (#23490)

• Free-threaded: Upgrade psutil (#23487)

• Permit vfork fast-path within local execute_process (#23466)

• Significantly reduce engine coroutine memory overhead (#23481)

• Upgrade pex to v2.97.0 (#23482)

• drop support for EoL Python 3.9 in bundled lockfiles (#23464)

• update bundled sqlfluff tool version to 4.x (#23462)

• preserve "pyside2" test in dedicated resolve (#23460)

• drop python3.9 specific tests that use the bundled lockfiles (#23457)

• add a resolve toggle for bundled lockfiles (#23445)

• provide an explicit shebang for the mypy shell script (#23479)

• plumb thru --validate-entry-point as a field (#23474)

• Pass the same set of object files when retrying linking for cgo (#23447)

• Accept new #cgo directives introduced by go 1.24 (#23439)

release_2.33.0.dev5

• Prepare 2.33.0.dev5 (#23475)

• Upgrade RunsOn AMI to ami-09d4cee47cabfb442 (#23472)

• Log the list of tests in a given batch (#21549)

• Pre-compile the Go standard library once per toolchain config instead of per-package (#23422)

• Add support for source jars to BSP protocol (#23410)

• Pin GOTOOLCHAIN=local in Go sandboxes for hermeticity (#23420)

• Support configuring nailgun server jar and add support for java agent implemention (#23405)

• perf(jvm): Add option to enable remote cache for intermediate JARs (#23408)

• Write uv indexes and sources config to pyproject.toml. (#23443)

• Prevent remcache writes escaping materialization roots. (#23401)

• Upgrade pex to v2.96.1 (#23441)

• Add AGENTS.md / CLAUDE.md (#23275)

• Update hdrhistogram to version 0.10.7 (#23435)

• Add apache-airflow-mypy to default module mapping (#23428)

release_2.32.1

• Prepare 2.32.1 (#23452)

• Write uv indexes and sources config to pyproject.toml. (Cherry-pick of #23443) (#23450)

• Prevent remcache writes escaping materialization roots. (Cherry-pick of #23401) (#23446)

• Fix derived interpreter constraints for spec target when using [python].default_resolve_to_interpreter_constraints (Cherry-pick of #23419) (#23430)

• Fix uv support under remote caching/execution. (Cherry-pick of #23403) (#23406)

• Fix sync for lockfiles with metadata headers. (Cherry-pick of #23413) (#23414)

• Compose a Process out of multiple sequential subprocesses (Cherry-pick of #23400) (#23402)

release_2.33.0.dev4

• Prepare 2.33.0.dev4 (#23436)

• Fix derived interpreter constraints for root target (#23419)

release_2.33.0.dev3

• Prepare 2.33.0.dev3 (#23423)

• Fix sync for lockfiles with metadata headers. (#23413)

• Raise the minimum supported pex version to 2.95.1. (#23412)

• Fix PBS provider returning host path inside docker_environment (#23384)

• Fix uv support under remote caching/execution. (#23403)

• Compose a Process out of multiple sequential subprocesses (#23400)

• Perf: SourceField, PathGlobs and Filespec in rust (#23244)

• Upgrade RunsOn AMI to ami-0a3c71582153db678 (#23397)

• rust dockerfile parser build arg parity with python parser (#23392)

• perf: Port FrozenOrderedSet to rust (#23200)

• Move Buf subsystem out of the lint subpackage (#23382)

• upgrade to Rust v1.96.0 (#23387)

• fix: fallback to default width when terminal size is 0 (#23364)

• bump the minimum version of scie-pants for Python 3.14 (#23370)

• pin reaming github actions references. (#23375)

• miscellaneous 2.32 release notes copy edits (#23373)

• pin all remaining actions/checkout references (#23374)

• add known ruff versions up to 0.15.14 (#23376)

• Fix bad markup in workunit handlers doc. (#23377)

• fix(js): include workspace member node_modules in install sandbox (#23342)