I could not find an issue for this, checking here before opening one (the problem is with the last output):
julia> VERSION
v"1.2.0-DEV.192"
julia> A = collect(reshape(1:24, 2, 3, 4))
2×3×4 Array{Int64,3}:
[:, :, 1] =
1 3 5
2 4 6
[:, :, 2] =
7 9 11
8 10 12
[:, :, 3] =
13 15 17
14 16 18
[:, :, 4] =
19 21 23
20 22 24
julia> [A]
1-element Array{Array{Int64,3},1}:
[1 3 5; 2 4 6]
[7 9 11; 8 10 12]
[13 15 17; 14 16 18]
[19 21 23; 20 22 24]