You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
WindowsArea: what it touches
ImprovementsKind: in v2.1.233,
ImprovementsSection of the release
What
Path canonicalisation and the network-path check previously matched only the \\?\ and \\.\ device prefixes. They now also match the \??\ object-manager form, including after Windows normalisation of paths containing ??, so those paths skip canonicalisation and are treated as device paths.
Evidence
e1c = /^[\\/]\?\?[\\/]/;
Strings lifted out of the shipped bundle, so the claim above can be checked against them.