wingetautoupdate/Winget-AutoUpdate/functions/Get-WAUCurrentVersion.ps1

function Get-WAUCurrentVersion{
    #Get current installed version
    [xml]$About = Get-Content "$WorkingDir\config\about.xml" -Encoding UTF8 -ErrorAction SilentlyContinue
    $Script:WAUCurrentVersion = $About.app.version
    return [version]$WAUCurrentVersion
}