- Upgrade Go builder to Go1.26.6, addressing security issues in the runtime.
- Multiple bug fixes across components (cache persistence on shutdown, IPv6 target handling, custom query step handling, correct HTTP error codes, skipping empty label names, vmalert eval updates, and dynamic scaling of search.maxConcurren...
- LTS release v1.136.x continues 12‑month support with these stability and security improvements.
v1.136.16
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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 from 1.26.5 to 1.26.6 for security patches.
vminsert default disableRerouting flag flipped to false (enabling slowness‑based rerouting) and /api/v1/admin/tsdb/delete and /tags/delSeries endpoints now require POST, breaking old GET usage and improving security.