Add 7.2.1 Release Notes (#387)

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Documentation**
* Updated 7.2.1 release notes reflecting webGUI enhancements including
new Mover schedule disable option in Settings.
  * Documented storage improvements and permissions corrections.
  * Added API improvements and updated kernel and firmware versions.

<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: ljm42

docs/unraid-os/release-notes/7.2.1.md

@@ -1,4 +1,4 @@
-# Version 7.2.1-rc.1 2025-11-07
+# Version 7.2.1 2025-11-19
 
 This is a small update with some great fixes and improvements.
 
@@ -18,9 +18,15 @@ If rolling back earlier than 7.2.0, also see the [7.2.0 release notes](7.2.0.md#
 
 ### webGUI
 
+- Improvement: On ***Settings → Schedule → Mover Settings*** add a *Disable* option to *Mover schedule*
 - Fix: Dashboard: Improved detection of newer Intel CPUs
 - Fix: Notification Agents dropdown not working in tabbed mode
 - Fix: Visual error displaying temperatures in notifications
+- Fix: Improve search, language, and array usage on sidebar themes
+- Fix: GUI Search results didn't update when plugins were uninstalled
+- Fix: When editing a Share, on the *NFS Security Settings* tab, the *Write settings to* feature did not work for security modes Public and Secure
+- Fix: *Show banner background color fade* works again
+- Fix: Reduce header background flash going from black to white on page load
 
 ### Storage
 
@@ -32,6 +38,9 @@ If rolling back earlier than 7.2.0, also see the [7.2.0 release notes](7.2.0.md#
 - Fix: Empty Disk feature: share data on target disk(s) now remains visible during operation, see [Converting to a new file system type](../using-unraid-to/manage-storage/file-systems.mdx#converting-to-a-new-file-system-type) for usage details.
   - Removed '-e' option from 'mover' script; use the webGUI now
 - Fix: Reduce excess logging related to drive spin down and SMART self-tests
+- Fix: Increase pool device limit from 120 to 200
+- Fix: Suppress confusing "Share cache full" messages in syslog
+- Fix: Correct /mnt/user permissions issue
 
 ### Misc
 
@@ -41,7 +50,15 @@ If rolling back earlier than 7.2.0, also see the [7.2.0 release notes](7.2.0.md#
   - Note: discovery typically does not work if clients are running Tailscale
 - Fix: Update 'lshw' to support LEDs on Lincstation systems
 - Fix: Re-add the 'Join' Notification Agent from Unraid 6.12
-- Fix: Load br\_netfiltering in rc.inet1 'start' function and set default IPv4/IPv6 forwarding policy to ACCEPT (should fix VM IPv6 issues)
+- Fix: Load br\_netfilter in rc.inet1 'start' function and set default IPv4/IPv6 forwarding policy to ACCEPT (should fix VM IPv6 issues)
+- Fix: Starting Docker causes all IPv6 packets on br0 to be dropped
+- Fix: When stopping Samba, terminate master smbd process first
+- Fix: Add support for "Intel Corporation Alder Lake-N PCH CNVi WiFi" interface
+
+### Unraid API
+
+- Fix: Ensure Connect features are fully disabled unless Connect is installed
+- dynamix.unraid.net 4.27.0 - [see changes](https://github.com/unraid/api/releases)
 
 ### Linux kernel
 
@@ -50,4 +67,6 @@ If rolling back earlier than 7.2.0, also see the [7.2.0 release notes](7.2.0.md#
 ### Base distro updates
 
 - lshw: version B.02.20
-- wsdd2-1.8.7-x86\_64-2\_SBo\_LT.tgz (patched to not exclude shim interfaces)
+- wsdd2-1.8.7-x86\_64-2\_SBo\_LT.tgz
+- kernel-firmware: version 20251031\_04b323b
+- intel-microcode: version 20251111