- Introduce a new RPC protocol for vminsert/vmstorage communication and add a Linux/s390x release artifact.
- Enhance vmalert with response‑type validation, per‑notifier relabel configs, a {{now}} template function, faster group start control, and UI fixes for search and HTML formatting.
- Add vmagent relabel‑config inspection APIs, improve stream aggregation behavior, enable default slow‑query logging in Enterprise, and fix several backup manager issues (AWS S3 env var parsing, correct timestamps, newline output).
v1.129.0
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Enable multitenancy via headers by default for vmselect, vminsert and vmagent (default flag changed to true), which may break existing URL patterns.
Upgrade Go builder to Go1.26.6, addressing security issues in the runtime.
Upgrade Go builder from 1.26.5 to 1.26.6 for security patches.