v7.0.0-preview.4 - 09/19/2019
Engine Updates and Fixes
Add support to ActionPreference.Break to break into debugger when Debug, Error, Information, Progress, Verbose or Warning messages are generated (#8205) (Thanks @KirkMunro!)
Enable starting control panel add-ins within PowerShell Core without specifying .CPL extension. (#9828)
Performance
Make ForEach-Object faster for its commonly used scenarios (#10454) and fix ForEach-Object -Parallel performance problem with many runspaces (#10455)
Experimental Features
Update PSDesiredStateConfiguration module version to 2.0.3 and bring new tests; enable compilation to MOF on non-Windows and use of Invoke-DSCResource without LCM (#10516)
Add APIs for breakpoint management in runspaces and enable attach to process without BreakAll for PowerShell Editor Services (#10338) (Thanks @KirkMunro!)
Support ternary operator in PowerShell language (#10367)
General Cmdlet Updates and Fixes
Add PowerShell Core group policy definitions (#10468)
Update console host to support XTPUSHSGR/XTPOPSGR VT control sequences that are used in composability scenarios. (#10208)
Add WorkingDirectory parameter to Start-Job (#10324) (Thanks @davinci26!)
Remove the event handler that was causing breakpoint changes to be erroneously replicated to the host runspace debugger (#10503) (Thanks @KirkMunro!)
Replace api-ms-win-core-job-12-1-0.dll with Kernell32.dll in Microsoft.PowerShell.Commands.NativeMethods P/Invoke API(#10417) (Thanks @iSazonov!)
Fix wrong output for New-Service in variable assignment and -OutVariable (#10444) (Thanks @kvprasoon!)
Fix global tool issues around exit code, command line parameters and path with spaces (#10461)
Fix recursion into OneDrive - change FindFirstFileEx() to use SafeFindHandle type (#10405)
Skip auto-loading PSReadLine on Windows if the NVDA screen reader is active (#10385)
Increase built-with-PowerShell module versions to 7.0.0.0 (#10356)
Add throwing an error in Add-Type if a type with the same name already exists (#9609) (Thanks @iSazonov!)
