- Added option to keep original Host header in vmauth, introduced 99th‑percentile scrape duration panel in vmagent dashboard, and changed vmauth to return HTTP 502 when all backends are unavailable.
- Security update: upgraded base Alpine Docker image to 3.20.2.
- Fixed multiple bugs: panic on malformed metricql in vmselect, TLS key/cert validation on startup, path handling and body‑reading errors in vmauth, and autocomplete/quote handling in vmui.
v1.102.1
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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.