PowerShell · Dongbo Wang (daxian-dbw) · Sep 1, 2026 · Aug 27, 2026 · Aug 28, 2026 · Aug 31, 2026
@@ -15,6 +15,9 @@ jobs:
     value: none
   - name: DOTNET_NOLOGO
     value: 1
+  # Allow .NET SDK to access cultural data on Windows build.
+  - name: DOTNET_SYSTEM_GLOBALIZATION_INVARIANT
+    value: 0
   - group: DotNetPrivateBuildAccess
   - group: certificate_logical_to_actual
   - name: ob_outputDirectory

@@ -1,5 +1,89 @@
 # Preview Changelog
 
+## [7.7.0-preview.4]
+
+### Engine Updates and Fixes
+
+- Fix `FileOnlyEntry` crashing on older versions of Windows (#27880)
+- Call `CodeGeneration.EscapeSingleQuotedStringContent` API in `SyncCurrentLocationHandler` (#27874)
+- Improve PowerShell Remoting Argument Validation (#27870)
+- Improve validation for data fragments for PSRP frame headers (#27871)
+- Add the xsd validation back for CIM cmdlets (#27869)
+- Fix PATH caching in `CommandDiscovery` code (#27809)
+- Add support for new WLDP setting `EnableFileOnlyEntry` (#26752)
+- Fix the dot-sourcing behavior of `pwsh -file` for advanced-function scripts (#27727)
+
+### General Cmdlet Updates and Fixes
+
+- Improve output file path determination for `Invoke-WebRequest` (#27872)
+- Improve Authorization Header default and redirect behavior (#27873)
+- Fix the regression in tab completing positional parameters (#27857)
+- Add `New-TemporaryDirectory` cmdlet (#27549) (Thanks @KirtiRamchandani!)
+
+### Code Cleanup
+
+<details>
+
+<summary>
+
+<p>We thank the following contributors!</p>
+
+</summary>
+
+<ul>
+<li>Remove <code>Test-Bom</code> and the boms JSON files (#27726)</li>
+</ul>
+
+</details>
+
+### Tests
+
+- Fix the scripts used for `Copy-Item -FromSession/-ToSession` scenarios and also enable tests  (#27773)
+- Fix TimeZone test with duplicate names (#27525) (Thanks @KirtiRamchandani!)
+
+### Build and Packaging Improvements
+
+<details>
+
+<summary>
+
+<p>We thank the following contributors!</p>
+
+</summary>
+
+<ul>
+<li>Add the needed variable groups to the MSIX VPack pipeline to enforce using the production ADO feed (#27896)</li>
+<li>Fix install dotnet for non-early-access release (#27892)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2691582 (#27876)</li>
+<li>Fix comments in <code>CmdletizationCoreResources.resx</code> (#27879)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2684623 (#27841)</li>
+<li>Use Azure CLI for early-access feed token (#27849)</li>
+<li>Fix OneBranch output variables for early .NET jobs (#27843)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2674492 (#27821)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2670960 (#27802)</li>
+<li>Use .NET SDK and NuGet feed early access for build, package and release pipelines (#27795)</li>
+<li>Update Microsoft.PowerShell.Archive version to 1.2.6 (#27784)</li>
+<li>PMC: Remove EOL debian12 distribution for v7.7.0 preview (#27763)</li>
+<li>PMC: Add Ubuntu 26.04 distribution for v7.7.0 (#27765)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2661935 (#27766)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2660148 (#27752)</li>
+<li>Update the manifest resource names for the localized resources embedded in satellite assemblies (#27756)</li>
+<li>Update <code>LocProject.json</code> to list each English resource file directly (#27751)</li>
+<li>Localized file check-in by OneLocBuild Task: Build definition ID 13420: Build ID 2652124 (#27736)</li>
+<li>Fix min-size package and ship localized resources only for MSIX packages (#27725)</li>
+<li>Fix the W3C URIs in <code>.resx</code> resource files (#27729)</li>
+<li>Update <code>metadata.json</code> for July releases (#27704)</li>
+<li>Prepare for onboarding PowerShell to the Native2Native localization pipeline (#27667)</li>
+</ul>
+
+</details>
+
+### Documentation and Help Content
+
+- Update changelogs for v7.4.18, v7.5.9, and v7.6.4 (#27707)
+
+[7.7.0-preview.4]: https://github.com/PowerShell/PowerShell/compare/v7.7.0-preview.3...v7.7.0-preview.4
+
 ## [7.7.0-preview.3]
 
 ### General Cmdlet Updates and Fixes

@@ -565,9 +565,11 @@ Fix steps:
     # as well as .zip packages, we only support the default en-US culture.
     # Therefore, we only produce satellite assemblies for win7-x64, win7-x86, and win-arm64 by default (excluding min-size build),
     # unless the caller wants to force produce localized resources.
+    $RemovePowerShellSatelliteAssemblies = $false
     if (!$ForceProduceLocalizedResources -and ($Options.Runtime -notmatch '^(win7-x64|win7-x86|win-arm64)$' -or $ForMinimalSize)) {
-        # Disable satellite assemblies for other cultures.
+        # Disable satellite assemblies from package/runtime assets for other cultures.
         $Arguments += "/property:SatelliteResourceLanguages=en"
+        $RemovePowerShellSatelliteAssemblies = $true
     }
 
     if ($Output -or $SMAOnly) {
@@ -743,6 +745,21 @@ Fix steps:
     } finally {
         Pop-Location
     }
+
+    if ($RemovePowerShellSatelliteAssemblies) {
+        $smaResDll = 'System.Management.Automation.resources.dll'
+        $resDirs = Get-ChildItem -Path $publishPath -Filter $smaResDll -Recurse -Depth 1 | ForEach-Object DirectoryName
+
+        if ($resDirs) {
+            Write-Log -message "PowerShell satellite assemblies found under '$publishPath':"
+            $relatives = $resDirs | ForEach-Object { Resolve-Path $_ -Relative -RelativeBasePath $publishPath }
+            Write-Log -message ($relatives -join ", ")
+
+            $resDirs | Remove-Item -Recurse -Force -ErrorAction Stop
+            Write-Log -message "Removed PowerShell satellite assemblies under '$publishPath'."
+        }
+    }
+
     Write-LogGroupEnd -Title "Build PowerShell"
 
     # No extra post-building task will run if '-SMAOnly' is specified, because its purpose is for a quick update of S.M.A.dll after full build.