v7.2.0-preview.6 Release of PowerShell

[daxian-dbw]

7.2.0-preview.6 - 2021-05-27

Note:

1. Known issue about some filesystem cmdlets do not work correctly with long paths, such as Remove-Item, Rename-Item and Set-Location. For details see: Remove-Item does not work correctly with long paths #15466
2. PSReadLine 2.2.0-beta1 and 2.2.0-beta2 do not work with this preview of PowerShell due to breaking changes in the prediction interface. The upcoming PSReadLine 2.2.0-beta3 release will resolve this. Use PSReadLine 2.1.0 as the temporary workaround.

Experimental Features

• [Breaking Change] Update prediction interface to provide additional feedback to a predictor plugin (Update prediction interface to provide additional feedback to a predictor plugin #15421)

Performance

• Avoid collecting logs in buffer if a pipeline execution event is not going to be logged (Avoid collecting logs in buffer if a pipeline execution event is not going to be logged #15350)
• Avoid allocation in LanguagePrimitives.UpdateTypeConvertFromTypeTable (Avoid LINQ in LanguagePrimitives.UpdateTypeConvertFromTypeTable #15168) (Thanks @xtqqczze!)
• Replace Directory.GetDirectories with Directory.EnumerateDirectories to avoid array allocations (Replace GetDirectories in HelpFileHelpProvider #15167) (Thanks @xtqqczze!)
• Use List.ConvertAll instead of LINQ (Use List.ConvertAll instead of LINQ #15140) (Thanks @xtqqczze!)

General Cmdlet Updates and Fixes

• Use AllocConsole before initializing CLR to ensure codepage is correct for WinRM remoting (Use AllocConsole before initializing CLR to ensure codepage is correct PowerShell-Native#70) (Thanks @jborean93!)
• Add completions for #requires statements (Add completion for Requires statements #14596) (Thanks @MartinGC94!)
• Add completions for comment-based help keywords (Add comment help keyword completion #15337) (Thanks @MartinGC94!)
• Move cross platform DSC code to a PowerShell engine subsystem (Move cross platform DSC code to a subsystem #15127)
• Fix Minimal progress view to handle activity that is longer than console width (Fix Minimal ProgressView to handle Activity that is longer than console width #15264)
• Handle exception if ConsoleHost tries to set cursor out of bounds because screen buffer changed (Handle exception if ConsoleHost tries to set cursor out of bounds because screen buffer changed #15380)
• Fix NullReferenceException in DSC ClearCache() (Fix NullReferenceException in DSC ClearCache() #15373)
• Update ControlSequenceLength to handle colon as a virtual terminal parameter separator (Update ControlSequenceLength to handle colon VT param separators #14942)
• Update the summary comment for StopTranscriptCmdlet.cs (Update StopTranscriptCmdlet.cs summary comment #15349) (Thanks @dbaileyut!)
• Remove the unusable alias d for the -Directory parameter from Get-ChildItem (Remove alias D of -Directory switch #15171) (Thanks @kvprasoon!)
• Fix tab completion for un-localized about topics (Fix tab completion for unlocalized about* topics #15265) (Thanks @MartinGC94!)
• Remove the unneeded SSH stdio handle workaround (Remove unneeded SSH remoting std handle workaround #15308)
• Add LoadAssemblyFromNativeMemory API to load assemblies from memory in a native PowerShell host (Add LoadAssemblyFromNativeMemory function to load assemblies in memory from a native PowerShell host #14652) (Thanks @awakecoding!)
• Re-implement Remove-Item OneDrive support (Enhance Remove-Item to work with OneDrive (Second) #15260) (Thanks @iSazonov!)
• Kill native processes in pipeline when pipeline is disposed on Unix (Kill native processes in pipeline when pipeline is Disposed on Unix #15287)
• Default to MTA on Windows platforms where STA is not supported (Add check if STA is supported before using on console startup #15106)

Code Cleanup

We thank the following contributors!

@xtqqczze, @powercode, @bcwood

• Enable nullable in some classes (Enable nullable: System.Management.Automation.IDispatch #14185, Enable nullable: Microsoft.PowerShell.Commands.IRegistryWrapper #14177, Enable nullable: System.Management.Automation.IResourceSupplier #14159, Enable nullable: System.Management.Automation.Language.ICustomAstVisitor #14191, Enable nullable: System.Management.Automation.Provider.ISecurityDescriptorCmdletProvider #14162, Enable nullable: System.Management.Automation.Provider.ICmdletProviderSupportsHelp #14150, Enable nullable: System.Management.Automation.Interpreter.ILightCallSiteBinder #14156, Enable nullable: System.Management.Automation.Language.IScriptPosition #14161, Enable nullable: System.Management.Automation.IInspectable #14155, Enable nullable: System.Management.Automation.Language.IAssignableValue #14163, Enable nullable: System.Management.Automation.Language.ITypeName #14181, Enable nullable: System.Management.Automation.Tracing.IMethodInvoker #14157, Enable nullable: System.Management.Automation.Provider.IContentReader #14151) (Thanks @powercode!)
• Annotate ThrowTerminatingError with DoesNotReturn attribute (Annotating ThrowTerminatingError with [DoesNotReturn] #15352) (Thanks @powercode!)
• Use GetValueOrDefault() for nullable PSLanguageMode (change nullable usage #13849) (Thanks @bcwood!)
• Enable SA1008: Opening parenthesis should be spaced correctly (Enable SA1008: Opening parenthesis should be spaced correctly #14242) (Thanks @xtqqczze!)

Tools

• Add winget release script (Add winget release script #15050)

Tests

• Enable cross-runtime benchmarking to compare different .NET runtimes (add support for comparing various .NET Runtimes performance #15387) (Thanks @adamsitnik!)
• Add the performance benchmark project for PowerShell performance testing (Add the performance benchmark project for PowerShell performance testing #15242)

Build and Packaging Improvements

Update .NET to version v6.0.0-preview.4

• Suppress prompting when uploading the msixbundle package to blob (Add /Y switch to azcopy to suppress prompting for msixbundle upload #15227)
• Update to .NET preview 4 SDK (Update to .NET Preview 6 SDK #15452)
• Update AppxManifest.xml with newer OS version to allow PowerShell installed from Windows Store to make system-level changes (Update Appx manifest to newer version to fix unvirtualizedResources capability #15375)
• Ensure the build works when PSDesiredStateConfiguration module is pulled in from PSGallery (Fix the build when using PSDesiredStateConfiguration module from PS Gallery #15355)
• Make sure daily release tag does not change when retrying failures (Make sure daily release tag does not change when retrying failures #15286)
• Improve messages and behavior when there's a problem in finding zip files (Improve messages and behavior when there's a problem in finding zip files #15284)

Documentation and Help Content

• Add documentation comments section to coding guidelines (Add documentation comments section to coding guidelines #14316) (Thanks @xtqqczze!)

SHA256 Hashes of the release artifacts

• powershell-7.2.0-preview.6-linux-alpine-x64.tar.gz
  • E77A889A4DFC858B3C415C3DC2945A09EF190AAA1E4BBA86AE631FDDDCD56F42
• powershell-7.2.0-preview.6-linux-arm32.tar.gz
  • 657A5DF09BCA1EA5294C912AC2F98BF340579E0CB296ED018A585667ADBC93B5
• powershell-7.2.0-preview.6-linux-arm64.tar.gz
  • 2370375958F09D0C19EC4FA698BF34282D630E7EFB7C846DE621323B00F123B2
• powershell-7.2.0-preview.6-linux-x64.tar.gz
  • 69DAACCFA497BEA70798F44888F008E3DAB660260FB5FCABC7F95A63E250FB09
• powershell-7.2.0-preview.6-linux-x64-fxdependent.tar.gz
  • FD900383CB74C6B8F4F6907009B78822EE09AB607B2F1479CA4D89D055E4B32B
• powershell-7.2.0-preview.6-osx-x64.pkg
  • FF0604EAE1769AFBF1A39303E4B2C107E833381099017037EBAF02DC6F7C788A
• powershell-7.2.0-preview.6-osx-x64.tar.gz
  • 3E20637FAA53DEB1531E23D623B7003BA53ACC2D7732737F5E45A1D1733675CA
• PowerShell-7.2.0-preview.6-win-arm32.zip
  • A9317BCA1FE626F868B1F7957C83EF1AD97D8B8839B8373027C6BAE240723022
• PowerShell-7.2.0-preview.6-win-arm64.zip
  • 7DFEFFD980D9F8F2728FDF443597F44911B8991E6ADB077FC2665A0486A29B79
• PowerShell-7.2.0-preview.6-win-fxdependent.zip
  • 4C29422A9189DA7DCD98E12676F1D53E11A43FA8F99E299A74CE5D5F581B8FE6
• PowerShell-7.2.0-preview.6-win-fxdependentWinDesktop.zip
  • 076C904097E55A200899BC1ECBEBB5649DA91C4AEE9E9F37A6CEEB70A0C817C8
• PowerShell-7.2.0-preview.6-win-x64.msi
  • 80DEC33663B740BF17371F21662FD891BE61C09F47C11A51404EC8EF9B3D716E
• PowerShell-7.2.0-preview.6-win-x64.zip
  • 8A01D47957CE8C6D07B1F322754BAB030E2EB4FF9DFB95819A46ECC1273455D3
• PowerShell-7.2.0-preview.6-win-x86.msi
  • 2F07FF917429CB4842CD2AD16FB6C96951300B55E32C75271846A7265B27B3DB
• PowerShell-7.2.0-preview.6-win-x86.zip
  • 8289B53CB0B705F98FF3ED79A3DF2F9C5397DB2CFE9C0631E9F42014855FE63E
• powershell-preview_7.2.0-preview.6-1.deb_amd64.deb
  • 5565B2B4E1A9D140225923852EE535F324B5D52600414B1C7A3617999B1A0593
• powershell-preview-7.2.0_preview.6-1.rh.x86_64.rpm
  • 1C942D104C3F1CFAEAA49B01479DD6DBB05CCF2DC166F79C517B188C118BF5EF

---

This discussion was created from the release v7.2.0-preview.6 Release of PowerShell.

[iSazonov]

I don't get v7.2.0-preview.6 git tag again.

[TravisEz13]

I've updated the instruction for this step to say

For preview releases:
   Merge changes to master
   Use a merge commit to make sure the tag is in the history for master

For rc / stable / servicing releases:
    Make sure PRs are opened to master
    Make sure PR to update changelog is created

[TravisEz13]

@iSazonov This time it was merged to master. Are you sure you updated from PowerShell/PowerShell master?

[iSazonov]

Now I see the v7.2.0-preview.6 tag. Thanks!

[RemMai]

System.TypeLoadException: Could not load type 'System.Management.Automation.Subsystem.PredictionResult' from assembly 'Microsoft.PowerShell.PSReadLine.Polyfiller, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.

this is bug！！！！

Unable to start！！！！

从6升级到7出现bug。PS无法启动！！！！！

⚡英语不好，全是翻译的。⚡

⚡English is not good,Google Translate⚡

[TravisEz13]

@RemMai Please update psreadline, using install-module psreadline -AllowPrerelease -force

[potatoqualitee]

I am unable to find any msix files, even in preview releases of PowerShell. It seems from previous discussions and docs that it should be there. Am I missing something?

Thanks much,
Chrissy