There’s a subtle Group-Object change in PowerShell v6.1.
In PowerShell v5.1 if you do this:
$ts = 'ffrluoluntlvxutxbdvbktgyyvsvcrkxoyfotzkzogcwuwycmnhuedk'
$ts.ToCharArray() | group
You get this:
Count Name Group
—– —- —–
3 f {f… Read the full text.