On Minecraft 17w45a and newer:
When I try make selector like @a[scores={foo=!1}] it not working,
in versions before 17w45a this look like: @a[score_foo=!1]
On Minecraft 17w45a and newer:
When I try make selector like @a[scores={foo=!1}] it not working,
in versions before 17w45a this look like: @a[score_foo=!1]
NOT (
!
) only works with string values and nbt, this is by design.And the “previous versions” you showed never actually worked.