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PowerShell 7.1.0 Preview 6 is out

The PowerShell team has introduced a new preview version of PowerShell.  Here is what to expect in the upcoming PowerShell 7.1 platform, and what has already changed in Preview 6.

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The preview release of PowerShell 7.1 includes .NET 5 preview 1. Starting with PowerShell 7.0, devs have shifted to align with .NET’s release and support life-cycle more closely. PowerShell 7.1 is expected to become available within a week or two of .NET 5’s release date of winter 2020 and align with their annual release cadence going forward.

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What's new in PowerShell 7.1 Preview 6

Breaking Changes

  • Rename -FromUnixTime to -UnixTimeSeconds on Get-Date to allow Unix time input (#13084) (Thanks @aetos382!)
  • Make $ErrorActionPreference not affect stderr output of native commands (#13361)
  • Allow explicitly specified named parameter to supersede the same one from hashtable splatting (#13162)

Engine Updates and Fixes

  • Refactor command line parser to do early parsing (#11482) (Thanks @iSazonov!)
  • Add support for some .NET intrinsic type converters (#12580) (Thanks @iSazonov!)
  • Refresh and enable the ComInterop code in PowerShell (#13304)

Experimental Features

  • Add -Runspace parameter to all *-PSBreakpoint cmdlets (#10492) (Thanks @KirkMunro!)

General Cmdlet Updates and Fixes

  • Fix error message from new symbolic link missing target (#13085) (Thanks @yecril71pl!)
  • Make the parameter args non-nullable in the public ConsoleHost APIs (#13429)
  • Add missing dispose for CancellationTokenSource (#13420) (Thanks @Youssef1313!)
  • Add the parameter -Paged to Get-Help to support paging (#13374)
  • Fix Get-Help not properly displaying if parameter supports wildcards (#13353) (Thanks @ThomasNieto!)
  • Update pwsh help for -InputFormat parameter (#13355) (Thanks @sethvs!)
  • Declare MIT license for files copied from Roslyn (#13305) (Thanks @xtqqczze!)
  • Improve BigInteger casting behaviors (#12629) (Thanks @vexx32!)
  • Fix Get-Acl -LiteralPath "HKLM:Software\Classes\*" behavior (#13107) (Thanks @Shriram0908!)
  • Add DefaultVisit method to the visitor interface and class (#13258)
  • Fix conflicting shorthand switch -s (STA) for pwsh (#13262) (Thanks @iSazonov!)
  • Change Read-Host -MaskInput to use existing SecureString path, but return as plain text (#13256)
  • Remove ComEnumerator as COM objects using IEnumerator is now supported in .NET 5.0 (#13259)
  • Use temporary personal path at Runspace startup when the 'HOME' environment variable is not defined (#13239)
  • Fix Invoke-Command to detect recursive call of the same history entry (#13197)
  • Change pwsh executable -inputformat switch prefix -in to -inp to fix conflict with -interactive (#13205) (Thanks @iSazonov!)
  • Handle WSL filesystem path when analyze security zone of a file (#13120)
  • Make other switches mandatory in Split-Path (#13150) (Thanks @kvprasoon!)
  • New Fluent Design icon for PowerShell 7 (#13100) (Thanks @sarthakmalik!)
  • Fix Move-Item to support cross-mount moves on Unix (#13044)

Tools

  • Fix dotnet install errors (#13387)
  • Increase the timeout of Windows daily build to 90 minutes (#13354)
  • Update the dependabot configuration to version 2 (#13230) (Thanks @RDIL!)
  • Fix Test-XUnitTestResults function (#13270) (Thanks @iSazonov!)
  • Update .devcontainer to use nightly docker SDK images (#13128)

Tests

  • Mark Test-Connection -TraceRoute tests as pending (#13310)

What to expect in PowerShell 7.1

  • PowerShellGet 3.0
  • Secret Management Module, an extensible abstraction layer in PowerShell for interacting with Secrets and Secrets Vaults, will get Linux support.
  • PSScriptAnalyzer 2.0 for better user experience with VSCode-PowerShell and PSEditorServices.
  • Improvements made to PowerShell Jupyter Kernel
  • Improvements made to platyPS vNext, a PowerShell module that devs currently use to convert PowerShell documentation from markdown to updatable-help.

There are also a number of areas where it is possible to make more improvements and changes, including Installation and Updating, Shell Improvements, Interactive User Experience.

Finally, PowerShell may get a minimal setup, that only includes the parts of PowerShell needed for your scripts. Not only would it take less disk space, but more importantly, a minimal set of code means less patching and security attack surface.

You can download it here:

Download PowerShell 7.1 Preview 5

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Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube.

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