Prerequisites

• Write a descriptive title.
• Make sure you are able to repro it on the latest released version
• Search the existing issues.
• Refer to the FAQ.
• Refer to Differences between Windows PowerShell 5.1 and PowerShell.

Steps to reproduce

When using Tab-completion in PowerShell to auto-complete file paths containing full-width (Unicode) characters such as full-width quotation marks (“”), the shell inserts the raw path without quotes or escaping. This leads to incorrect command parsing and execution failures, especially when passing the path to an external program like mpv.
PS E:> Get-ChildItem .\空中“加油”.mp4

Expected behavior

Directory: E:\

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---            6/1/2025  7:33 AM        6858949 空中“加油”.mp4

Actual behavior

Get-ChildItem: Cannot find path 'E:\空中加油.mp4' because it does not exist.

Error details

Environment data

Name                           Value
----                           -----
PSVersion                      7.5.1
PSEdition                      Core
GitCommitId                    7.5.1
OS                             Microsoft Windows 10.0.26100
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Visuals

No response