Release v0.16.1

[emal-avala]

Summary

Patch release bumping 0.16.0 → 0.16.1 to ship the glibc 2.39 compat fix from #135.

Changes in this release

Fixed

• Release binary segfault on systems with glibc < 2.39 (Segmentation fault (core dumped) #134, fix in fix(release): pin Linux builders to ubuntu-22.04 to avoid glibc 2.39 segfault #135): Linux release builders pinned from ubuntu-latest to ubuntu-22.04 (glibc 2.35). This eliminates weak pidfd_spawnp/pidfd_getpid imports that resolved to NULL and caused Segmentation fault (core dumped) at startup on Ubuntu 22.04, Debian 12, RHEL 9, Amazon Linux 2023, and similar distros.

Version bumps

File	From	To
crates/lib/Cargo.toml	0.16.0	0.16.1
crates/cli/Cargo.toml (package + dep)	0.16.0	0.16.1
npm/package.json	0.16.0	0.16.1
Cargo.lock	auto	auto
CHANGELOG.md	[Unreleased] stamped as [0.16.1] - 2026-04-18, link footer updated

Test plan

• cargo check --all-targets — passes
• cargo clippy --all-targets -- -D warnings — passes
• cargo fmt --all -- --check — passes
• cargo test --all-targets — 598 passed; 1 pre-existing unrelated failure (sandbox::tests::auto_detect_off_macos_is_noop) present on main as well, unrelated to this release
• After merge: tag v0.16.1 and push to trigger release workflow
• Verify the published agent-linux-x86_64.tar.gz no longer imports GLIBC_2.39 symbols: objdump -T agent | grep GLIBC_2.39 should be empty
• Smoke-test new binary on an Ubuntu 22.04 container

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