- - maxLabelsPerTimeseries, maxLabelNameLen and maxLabelValueLen flags now drop series that exceed limits and expose new reason metrics; vmagent and single‑node/vminsert honor these limits.
- - Docker service discovery defaults to matching the first network and adds support for linked networks, with corresponding flags for vmagent and single‑node deployments.
- - Security upgrades: Go builder updated to 1.23.4 and Alpine base image to 3.21.0; plus a batch of bug fixes across components (deduplication, vmauth routing, vmalert templating, backup scheduling, query parsing, UI interactions).
v1.108.0
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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.