You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
WindowsArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What
A named set of PowerShell cmdlets that write to disk or the network, including new-item, out-file, invoke-webrequest, invoke-restmethod and export-clixml, is used so those commands are not treated as read-only.
Evidence
invoke-restmethod
Strings lifted out of the shipped bundle, so the claim above can be checked against them.