You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
PermissionsArea: what it touches
New FeaturesKind: in v2.1.251,
New FeaturesSection of the release
What
When a permission update adds working directories, any entry containing a null byte is now discarded, on top of the existing checks that reject non-strings and blank entries.
Evidence
addDirectories carries a directory containing a null byte
Strings lifted out of the shipped bundle, so the claim above can be checked against them.