created changelog for 1.9.13 (#26808)

Author: tgross

CHANGELOG.md

@@ -1,3 +1,38 @@
+## 1.9.13 Enterprise (September 19, 2025)
+
+SECURITY:
+
+* build: Update go-getter to 1.7.9 to address CVE-2025-8959. Nomad Client Agents with Landlock support are not impacted by this vulnerability. [[GH-26533](https://github.com/hashicorp/nomad/issues/26533)]
+* client: inspect artifacts for sandbox escape when landlock is unavailable [[GH-26608](https://github.com/hashicorp/nomad/issues/26608)]
+
+IMPROVEMENTS:
+
+* config: Validate the `keyring` configuration block label against supported values on agent startup [[GH-26673](https://github.com/hashicorp/nomad/issues/26673)]
+* scheduling: Improve performance of scheduling when checking reserved ports usage [[GH-26712](https://github.com/hashicorp/nomad/issues/26712)]
+* ui: Updated icons to the newest design system [[GH-25353](https://github.com/hashicorp/nomad/issues/25353)]
+
+BUG FIXES:
+
+* dispatch: Fixed a bug where evaluations were not created atomically with dispatched jobs, which could prevent dispatch jobs from creating allocations [[GH-26710](https://github.com/hashicorp/nomad/issues/26710)]
+* exec: Adjust USER and HOME env vars when user value is set [[GH-25859](https://github.com/hashicorp/nomad/issues/25859)]
+* exec: Correctly set the `LOGNAME` env var when the job specification user value is set [[GH-26703](https://github.com/hashicorp/nomad/issues/26703)]
+* logs: skip logging SIGPIPE [[GH-26582](https://github.com/hashicorp/nomad/issues/26582)]
+
+## 1.9.12 Enterprise (August 13, 2025)
+
+SECURITY:
+
+* build: Update Go to 1.24.3 to address CVE-2025-47906 [[GH-26451](https://github.com/hashicorp/nomad/issues/26451)]
+
+BUG FIXES:
+
+* alloc exec: Fixed executor panic when exec-ing a rootless raw_exec task [[GH-26401](https://github.com/hashicorp/nomad/issues/26401)]
+* client: run all allocrunner postrun (cleanup) hooks, even if any of them error [[GH-26271](https://github.com/hashicorp/nomad/issues/26271)]
+* consul: Add AllocIPv6 option to allow IPv6 address being used for service registration [[GH-25632](https://github.com/hashicorp/nomad/issues/25632)]
+* jobspec: Validate required hook field in lifecycle block [[GH-26285](https://github.com/hashicorp/nomad/issues/26285)]
+* reporting (Enterprise): Fixed a bug where older servers could panic if the leader upgrades to version with offline reporting
+* services: Fixed a bug where Nomad services were deleted if a node missed heartbeats and recovered before allocs were migrated [[GH-26424](https://github.com/hashicorp/nomad/issues/26424)]
+
 ## 1.9.11 Enterprise (July 8, 2025)
 
 BUG FIXES: