Some simple analysis of updateable help

Get-HelpInfo.ps1

filter Get-HelpInfo {
    <#
        .SYNOPSIS
            Get a ((list of) en-US culture-specific?) HelpInfo details (the URL and version number) for modules
        .EXAMPLE
            Get-Module Microsoft.* -ListAvailable | Get-HelpInfo
    #>
    param(
        [Parameter(ValueFromPipeline)]
        [System.Management.Automation.PSModuleInfo]$Module = $((Get-Module WindowsUpdateProvider -List)[0])
    )
    $Path = [IO.Path]::GetTempFileName()

    if (!([string]$Url = $Module.HelpInfoUri)) {
        Write-Warning "Can't update help for $($Module.Name). There's no HelpInfoUri in it's manifest $($Module.Path)"
        return
    }

    while($Url) {
        Write-Verbose "$($Module.Name) HelpInfoUri: $URL"
        try {
            Invoke-RestMethod $URL -MaximumRedirection 0 -UseBasicParsing -OutFile $Path
            break
        } catch {
            Write-Verbose "Response: '$($_.Exception.Response.StatusCode)'"
            if ("Redirect","Moved" -contains $_.Exception.Response.StatusCode) {
                $Url = $_.Exception.Response.Headers.Location
                continue
            } elseif ("NotFound" -eq $_.Exception.Response.StatusCode) {
                break
            }
            # Make sure it's non-terminating
            Write-Error -ErrorRecord $_ -CategoryTargetName $Module.Name
        }
    }

    $Url = $Url.TrimEnd("/") + "/$($Module.Name)_$($Module.Guid)_HelpInfo.xml"

    try {
        Write-Verbose "$($Module.Name) HelpInfoUri: $URL"
        Invoke-RestMethod $Url -OutFile $Path
    } catch {
        Write-Warning "Can't update help for $($Module.Name). Got Status '$([int]$_.Exception.Response.StatusCode) $($_.Exception.Response.ReasonPhrase)' from '$($Url)'"
        return
    }

    if ($Raw) {
        Get-Content $Path
        Remove-Item $Path
    } else {
        [Xml]$Xml = Get-Content $Path
        Remove-Item $Path
        foreach ($Culture in $Xml.HelpInfo.SupportedUICultures.UICulture) {
            $Culture.PSTypeNames.Insert(0, "HelpContent")
            [PSCustomObject][Ordered]@{
                PSTypeName = "HelpInfo"
                ModuleName = $Module.Name
                Culture = $Culture.UICultureName
                Version = $Culture.UICultureVersion
                HelpContentURI = $Xml.HelpInfo.HelpContentURI
            }
        }
    }
}