- Upgrade Go builder to 1.26.2 and Alpine base image to 3.23.4 for security hardening.
- Fix multiple bugs across components: IPv6 proxy protocol parsing, maxScrapeSize handling, dynamic buffer sizing, graceful shutdown, vmrestore hang, empty label removal, and UI color contrast.
- LTS release providing stable bugfixes and security updates, supported for 12 months.
v1.122.21
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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.