diff --git a/src/backends.jl b/src/backends.jl
index c6c54f22..85ebfe98 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -555,6 +555,7 @@ const _pyplot_attr = merge_with_base_supported([
 const _pyplot_seriestype = [
     :path,
     :steppre,
+    :stepmid,
     :steppost,
     :shape,
     :straightline,
@@ -636,6 +637,7 @@ const _hdf5_attr = merge_with_base_supported([
 const _hdf5_seriestype = [
     :path,
     :steppre,
+    :stepmid,
     :steppost,
     :shape,
     :straightline,
@@ -707,7 +709,7 @@ const _inspectdr_attr = merge_with_base_supported([
   ])
 const _inspectdr_style = [:auto, :solid, :dash, :dot, :dashdot]
 const _inspectdr_seriestype = [
-        :path, :scatter, :shape, :straightline, #, :steppre, :steppost
+        :path, :scatter, :shape, :straightline, #, :steppre, :stepmid, :steppost
     ]
 #see: _allMarkers, _shape_keys
 const _inspectdr_marker = Symbol[
diff --git a/src/backends/inspectdr.jl b/src/backends/inspectdr.jl
index 005d3da2..e3c8dee3 100644
--- a/src/backends/inspectdr.jl
+++ b/src/backends/inspectdr.jl
@@ -290,7 +290,7 @@ For st in :shape:
                 color = linecolor, fillcolor = fillcolor
             )
         end
-   elseif st in (:path, :scatter, :straightline) #, :steppre, :steppost)
+   elseif st in (:path, :scatter, :straightline) #, :steppre, :stepmid, :steppost)
         #NOTE: In Plots.jl, :scatter plots have 0-linewidths (I think).
         linewidth = series[:linewidth]
         #More efficient & allows some support for markerstrokewidth:
diff --git a/src/backends/plotly.jl b/src/backends/plotly.jl
index a9aff316..9ff603da 100644
--- a/src/backends/plotly.jl
+++ b/src/backends/plotly.jl
@@ -789,6 +789,8 @@ function plotly_series_segments(series::Series, plotattributes_base::KW, x, y, z
                 :width => get_linewidth(series, i),
                 :shape => if st == :steppre
                     "vh"
+                elseif st == :stepmid
+                    "hvh"
                 elseif st == :steppost
                     "hv"
                 else
diff --git a/src/backends/pyplot.jl b/src/backends/pyplot.jl
index aca6bb64..e23838ac 100644
--- a/src/backends/pyplot.jl
+++ b/src/backends/pyplot.jl
@@ -152,12 +152,14 @@ end
 
 function py_stepstyle(seriestype::Symbol)
     seriestype == :steppost && return "steps-post"
+    seriestype == :stepmid && return "steps-mid"
     seriestype == :steppre && return "steps-pre"
     return "default"
 end
 
 function py_fillstepstyle(seriestype::Symbol)
     seriestype == :steppost && return "post"
+    seriestype == :stepmid && return "mid"
     seriestype == :steppre && return "pre"
     return nothing
 end
@@ -408,7 +410,7 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
     # for each plotting command, optionally build and add a series handle to the list
 
     # line plot
-    if st in (:path, :path3d, :steppre, :steppost, :straightline)
+    if st in (:path, :path3d, :steppre, :stepmid, :steppost, :straightline)
         if maximum(series[:linewidth]) > 0
             # TODO: check LineCollection alternative for speed
             # if length(segments) > 1 && (any(typeof(series[attr]) <: AbstractVector for attr in (:fillcolor, :fillalpha)) || series[:fill_z] !== nothing) && !(typeof(series[:linestyle]) <: AbstractVector)
@@ -485,7 +487,7 @@ function py_add_series(plt::Plot{PyPlotBackend}, series::Series)
 
     # add markers?
     if series[:markershape] != :none && st in (
-        :path, :scatter, :path3d, :scatter3d, :steppre, :steppost, :bar
+        :path, :scatter, :path3d, :scatter3d, :steppre, :stepmid, :steppost, :bar
     )
         for segment in series_segments(series, :scatter)
             i, rng = segment.attr_index, segment.range
@@ -1363,7 +1365,7 @@ function py_add_legend(plt::Plot, sp::Subplot, ax)
                             linestyle = py_linestyle(series[:seriestype], get_linestyle(series)),
                             capstyle = "butt"
                         )
-                    elseif series[:seriestype] in (:path, :straightline, :scatter, :steppre, :steppost)
+                    elseif series[:seriestype] in (:path, :straightline, :scatter, :steppre, :stepmid, :steppost)
                         hasline = get_linewidth(series) > 0
                         PyPlot.plt."Line2D"((0, 1),(0,0),
                             color = py_color(single_color(get_linecolor(series, clims)), get_linealpha(series)),