Updates for release of PS7.6-preview.6

Author: sdwheeler

reference/docs-conceptual/whats-new/What-s-New-in-PowerShell-76.md

@@ -6,16 +6,16 @@ ms.date: 10/09/2025
 
 # What's New in PowerShell 7.6
 
-PowerShell 7.6-preview.5 includes the following features, updates, and breaking changes. PowerShell
+PowerShell 7.6-preview.6 includes the following features, updates, and breaking changes. PowerShell
 7.6 is built on .NET 9.0.101 GA release.
 
-For a complete list of changes, see the [CHANGELOG][04] in the GitHub repository.
+For a complete list of changes, see the [CHANGELOG][05] in the GitHub repository.
 
 ## Updated modules
 
-PowerShell 7.6-preview.5 includes the following updated modules:
+PowerShell 7.6-preview.6 includes the following updated modules:
 
-- **Microsoft.PowerShell.PSResourceGet** v1.1.0
+- **Microsoft.PowerShell.PSResourceGet** v1.2.0-preview5
 - **PSReadLine** v2.4.4-beta4
 - **Microsoft.PowerShell.ThreadJob** v2.2.0
 - **ThreadJob** v2.1.0
@@ -35,6 +35,7 @@ name, the **ThreadJob** v2.1.0 module is a proxy module that points to the
 
 ## Tab completion improvements
 
+- Properly Expand Aliases to their actual ResolvedCommand (#26571) (thanks @kilasuit!)
 - Use parameter `HelpMessage` for tool tip in parameter completion ([#25108][25108]) (Thanks @jborean93!)
 - Remove duplicate modules from completion results ([#25538][25538]) (Thanks @MartinGC94!)
 - Add completion for variables assigned in `ArrayLiteralAst` and `ParenExpressionAst` ([#25303][25303]) (Thanks @MartinGC94!)
@@ -88,6 +89,7 @@ name, the **ThreadJob** v2.1.0 module is a proxy module that points to the
 
 ## Cmdlet improvements
 
+- Add `-Delimiter` parameter to `Get-Clipboard` (#26572) (thanks @MartinGC94!)
 - Fix Out-GridView by replacing use of obsolete BinaryFormatter with custom implementation ([#25497][25497])
   (Thanks @mawosoft!)
 - Improve verbose and debug logging level messaging in web cmdlets ([#25510][25510]) (Thanks
@@ -137,6 +139,9 @@ name, the **ThreadJob** v2.1.0 module is a proxy module that points to the
 
 ## Engine improvements
 
+- Fix a regression in the API `CompletionCompleters.CompleteFilename()` that causes null reference
+  exception (#26487)
+- Close pipe client handles after creating the child ssh process (#26564)
 - Update the **PSDiagnostics** module to manage the PowerShellCore provider in PowerShell 7
   ([#25590][25590])
 - Allow opt-out of the named-pipe listener using the environment variable
@@ -176,18 +181,27 @@ name, the **ThreadJob** v2.1.0 module is a proxy module that points to the
 
 ## Experimental features
 
-The following experimental features are included in PowerShell 7.6-preview.3:
+The PowerShell 7.6-preview.6 release includes the following changes to experimental features.
+
+The following experimental features are mainstream:
+
+- [PSFeedbackProvider](../learn/experimental-features.md#psfeedbackprovider)
+- [PSNativeWindowsTildeExpansion][01]
+- [PSRedirectToVariable][02]
+- [PSSubsystemPluginModel](../learn/experimental-features.md#pssubsystempluginmodel)
+
+This release includes following experimental features:
 
-- [PSNativeWindowsTildeExpansion][01] - Add tilde expansion for Windows-native executables
-- [PSRedirectToVariable][02] - Allow redirecting to a variable
 - [PSSerializeJSONLongEnumAsNumber][03] - `ConvertTo-Json` now treats large enums as numbers
+- [PSProfileDSCResource][04] - Add DSC v3 resource for Powershell Profile (#26447)
 
 <!-- end of content -->
 <!-- reference links -->
 [01]: ../learn/experimental-features.md#psnativewindowstildeexpansion
 [02]: ../learn/experimental-features.md#psredirecttovariable
 [03]: ../learn/experimental-features.md#psserializejsonlongenumasnumber
-[04]: https://github.com/PowerShell/PowerShell/blob/master/CHANGELOG/preview.md
+[04]: ../learn/experimental-features.md#psprofiledscresource
+[05]: https://github.com/PowerShell/PowerShell/blob/master/CHANGELOG/preview.md
 
 [14553]: https://github.com/PowerShell/PowerShell/pull/14553
 [17687]: https://github.com/PowerShell/PowerShell/pull/17687