press tab to autocomplete not working for base64.exe

[ivolo9]

Prerequisites

• Write a descriptive title.
• Make sure you are able to repro it on the latest released version
• Search the existing issues, especially the pinned issues.

Exception report

N/A

Screenshot

N/A

Environment data

PS Version: 7.5.4
PS HostName: ConsoleHost (Windows Terminal)
PSReadLine Version: 2.3.6
PSReadLine EditMode: Windows
OS: 10.0.26100.7705 (WinBuild.160101.0800)
BufferWidth: 142
BufferHeight: 74

Steps to reproduce

very insteading bug:
I have a base64.exe (which from coutils) executable binary file in $env:PATH

1. when input base then press tab, nothing happened, get no completed command
2. but, input b/ba/bas/base6/base64, press tab, it will work as expected, just expanded as base64.exe

may caused by the number following?

Expected behavior

auto complete works for all situation for base64.exe

Actual behavior

not work for base + tab

[ivolo9]

psreadline configuration

Set-PSReadLineOption -PredictionSource HistoryAndPlugin
Set-PSReadLineKeyHandler -Chord 'Ctrl+a' -Function BeginningOfLine
Set-PSReadLineKeyHandler -Chord 'Ctrl+e' -Function MoveToEndOfLine
Set-PSReadLineKeyHandler -Chord 'Ctrl+d' -Function DeleteCharOrExit
Set-PSReadLineKeyHandler -Chord 'Ctrl+f' -Function ForwardWord
Set-PSReadLineKeyHandler -Chord 'Ctrl+RightArrow' -Function ForwardWord
Set-PSReadLineKeyHandler -Chord 'Ctrl+LeftArrow' -Function BackwardWord
Set-PSReadLineKeyHandler -Chord 'Ctrl+n' -Function HistorySearchBackward
Set-PSReadLineKeyHandler -Chord 'Ctrl+Shift+n' -Function HistorySearchForward

[ivolo9]

closed. this should be a bug from pwsh not readline. Ref: PowerShell/PowerShell#27072