Merge pull request #174 from flux-framework/release-docs-2025-12-03

Update from release-docs-2025-12-03

Author: vsoch

_posts/2025-12-03-flux-core-0.81.0.md

@@ -0,0 +1,39 @@
+---
+title: flux-core v0.81.0
+date: 2025-12-03 00:00:00
+author: "flux-framework"
+categories: 'release'
+version: 0.81.0
+download: https://github.com/flux-framework/flux-core/releases/download/v0.81.0/flux-core-0.81.0.tar.gz
+---
+
+Download from GitHub [here]({{ page.download }})
+
+# Release Notes
+
+flux-core version 0.81.0 - 2025-12-02
+-------------------------------------
+
+## New Features
+ * etc/modprobe: use flux dump --maxreqs in rc3 ([#7219](https://github.com/flux-framework/flux-core/issues/7219))
+ * flux-dump: support --maxreqs option for faster dumping ([#7158](https://github.com/flux-framework/flux-core/issues/7158))
+ * validator: validate host constraints against instance hostlist ([#7203](https://github.com/flux-framework/flux-core/issues/7203))
+ * allow undrain reason to be updated ([#7187](https://github.com/flux-framework/flux-core/issues/7187))
+ * jobtap: add `flux_jobtap_set_load_sort_order()` ([#7193](https://github.com/flux-framework/flux-core/issues/7193))
+ * broker: convert to interthread overlay channel ([#7112](https://github.com/flux-framework/flux-core/issues/7112))
+
+## Fixes
+ * hostlist: fix off-by-one read error ([#7216](https://github.com/flux-framework/flux-core/issues/7216))
+ * job-manager: improve policy limit error messages ([#7204](https://github.com/flux-framework/flux-core/issues/7204))
+ * improve error messages and documentation for submission directives ([#7197](https://github.com/flux-framework/flux-core/issues/7197))
+
+## Cleanup
+ * broker: decouple state machine and overlay ([#7209](https://github.com/flux-framework/flux-core/issues/7209))
+ * broker: factor out bootstrap table parser ([#7210](https://github.com/flux-framework/flux-core/issues/7210))
+
+## Build/CI/Testsuite/Documentation
+ * ci: fix mount permissions for 1M tmpfs fs in docker ([#7208](https://github.com/flux-framework/flux-core/issues/7208))
+ * ci: update typos checker ([#7198](https://github.com/flux-framework/flux-core/issues/7198))
+ * doc: add missing paren in modprobe doc ([#7202](https://github.com/flux-framework/flux-core/issues/7202))
+ * doc: add section on running tests as Flux jobs to debug guide ([#7199](https://github.com/flux-framework/flux-core/issues/7199))
+ * flux-dump/flux-fsck misc cleanup ([#7186](https://github.com/flux-framework/flux-core/issues/7186))