- Fix MetricsQL changes() function handling of large gaps between samples.
- Resolve multiple vmalert, vmauth, vmstorage, and vmui issues including alert state restoration, backend health checks, tenant queries, and cardinality calculations.
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Create digestEnable 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.