GetItemVersionHistory

#This script retrieves the version history of a specific item in a specified list. Field changes can be tracked by manually updating the script to include those fields

$ListName = "My List Name"
$siteUrl = "https://example.sharepoint.com/sites/demosite"
$ItemId = 1234

Connect-PnPOnline -Url $siteUrl
$list = get-pnplist -Identity $ListName
$item = Get-PnPListItem -List $list -Id $ItemId
$versions = = Get-PnPProperty -ClientObject $item -Property Versions

$VersionHistory = @()
 
Foreach($version in $versions)
{
	$CreatedBy =  Get-PnPProperty -ClientObject $version -Property createdby
	$VersionHistory += New-Object PSObject -Property @{
		'VersionId' = $version.VersionId
		'Created by' = $CreatedBy.Title
		'Created' = $version.Created
    #Update here as required with your own columns
		'My First Column' =  $version.FieldValues["MyFirstColumn"]
		'Another Column' = $version.FieldValues["AnotherColumn"]
		'One More Column' = $version.FieldValues["OneMoreColumn"]   
	}
}
				
$VersionHistory | Export-Csv "VersionHistory $($ListName) $($ItemId).csv"