- Downgraded Go builder to 1.21.7 to avoid deadlocked HTTP connections in vmagent.
- Added OpenTelemetry metrics endpoint (/opentelemetry/v1/metrics) support in vmagent.
- Fixed multiple issues: deadlock with remoteWrite sharding, misleading step=0 error, RFC3339 time parsing, non‑deterministic group sorting, and MetricsQL label‑join destination label handling.
v1.93.13
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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.