- Upgrade Go builder to 1.21.0 and base Alpine image to 3.18.3 for security hardening.
- Fix numerous bugs across vmselect, vminsert, vmagent, vmauth, vmalert and vmctl, including timestamp alignment, label decoding, proxy validation, connection cleanup, relabel filters, shutdown panics, and query error handling.
- Improve metric timestamp handling and datasource query parameters, and ensure proper empty responses for API calls.
v1.87.7
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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.