Vector v0.57.0 released on 14-07-2026
Vector v0.57.0 is out now. It is a security-first release from the COSE team that introduces security hardenings and fixes and intentionally includes breaking changes to close vulnerabilities and harden defaults.
Read the full release notes and changelog on the Vector website for the authoritative list of fixes, breaking changes and the supplied upgrade guidance: https://vector.dev/releases/0.57.0.
What’s in this release
- Security hardenings and fixes delivered by the COSE team to address identified vulnerabilities.
- Intentional breaking changes and hardened defaults that close attack surface; consult the release notes for the precise list of affected components and behaviours.
- Documented mechanisms to restore previous behaviour and rollback options, including compatibility toggles and configuration adjustments.
Upgrade notes
- Several breaking changes are included; read the release notes and changelog, identify affected configurations and integrations, test the upgrade in staging, migrate or update configuration where required, run smoke tests and prepare a rollback plan before upgrading production.
- If you need to revert, use the documented compatibility toggles or opt-outs if available, apply the configuration shims indicated in the notes, or pin and redeploy the prior Vector version; open an issue or reach out to COSE/community channels for help reproducing or mitigating changes.
Please share comments on your upgrade experience — report issues through the project’s issue tracker or community channels and note any problems encountered during staging or production upgrades.
