Bars are missing in axes only containing a single bar when TimeType is used.
using Dates, DataFramesMeta, GLMakie, AlgebraOfGraphics
df = DataFrame(
A = Date.([1, 2, 3, 1]),
B = [1, 1, 1, 1],
C = [1, 2, 3, 3]
)
spec = data(df) * mapping(:A, :B, row=:C) * visual(BarPlot)
draw(spec)
Issue is not observed without facets.
spec = mapping(Date(1), 1) * visual(BarPlot)
draw(spec)