- Upgrade Go builder to 1.24.10 and golang.org/x/crypto to v0.43.0, addressing CVE‑2025‑47913.
- Fix bugs: enable HTTP/2 for vmagent/vmsingle discovery, drop empty‑value labels in vmalert, enforce maxDataSize limits on zstd requests, correct vmui median calculation, and reject retentionFilter durations larger than retentionPeriod.
- RetentionFilter duration must now be lower than retentionPeriod before upgrading; otherwise deployment will fail.
v1.122.9
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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.