title.text everywhere in PX

Author: nicolaskruchten

packages/python/plotly/plotly/express/_core.py

@@ -551,9 +551,9 @@ def configure_cartesian_axes(args, fig, orders):
 def configure_ternary_axes(args, fig, orders):
     fig.update_layout(
         ternary=dict(
-            aaxis=dict(title=get_label(args, args["a"])),
-            baxis=dict(title=get_label(args, args["b"])),
-            caxis=dict(title=get_label(args, args["c"])),
+            aaxis=dict(title_text=get_label(args, args["a"])),
+            baxis=dict(title_text=get_label(args, args["b"])),
+            caxis=dict(title_text=get_label(args, args["c"])),
         )
     )
 
@@ -588,9 +588,9 @@ def configure_polar_axes(args, fig, orders):
 def configure_3d_axes(args, fig, orders):
     layout = dict(
         scene=dict(
-            xaxis=dict(title=get_label(args, args["x"])),
-            yaxis=dict(title=get_label(args, args["y"])),
-            zaxis=dict(title=get_label(args, args["z"])),
+            xaxis=dict(title_text=get_label(args, args["x"])),
+            yaxis=dict(title_text=get_label(args, args["y"])),
+            zaxis=dict(title_text=get_label(args, args["z"])),
         )
     )
 
@@ -1611,14 +1611,16 @@ def make_figure(args, constructor, trace_patch={}, layout_patch={}):
             cmid=args["color_continuous_midpoint"],
             cmin=range_color[0],
             cmax=range_color[1],
-            colorbar=dict(title=get_decorated_label(args, args[colorvar], colorvar)),
+            colorbar=dict(
+                title_text=get_decorated_label(args, args[colorvar], colorvar)
+            ),
         )
     for v in ["title", "height", "width"]:
         if args[v]:
-            layout_patch[v] = args[v]
+            layout_patch[v if v != "title" else "title_text"] = args[v]
     layout_patch["legend"] = dict(tracegroupgap=0)
     if trace_name_labels:
-        layout_patch["legend"]["title"] = ", ".join(trace_name_labels)
+        layout_patch["legend"]["title"] = dict(text=", ".join(trace_name_labels))
     if "title" not in layout_patch and args["template"].layout.margin.t is None:
         layout_patch["margin"] = {"t": 60}
     if (