3 files changed, 25 insertions, 14 deletions
diff --git a/source/blender/makesrna/RNA_enum_types.h b/source/blender/makesrna/RNA_enum_types.h
index e72a55b5a9e..458f031ceae 100644
--- a/source/blender/makesrna/RNA_enum_types.h
+++ b/source/blender/makesrna/RNA_enum_types.h
@@ -90,6 +90,7 @@ extern const EnumPropertyItem rna_enum_color_sets_items[];
 extern const EnumPropertyItem rna_enum_beztriple_keyframe_type_items[];
 extern const EnumPropertyItem rna_enum_beztriple_interpolation_mode_items[];
 extern const EnumPropertyItem rna_enum_beztriple_interpolation_easing_items[];
+extern const EnumPropertyItem rna_enum_fcurve_auto_smoothing_items[];
 extern const EnumPropertyItem rna_enum_keyframe_handle_type_items[];
 extern const EnumPropertyItem rna_enum_driver_target_rotation_mode_items[];
 
diff --git a/source/blender/makesrna/intern/rna_fcurve.c b/source/blender/makesrna/intern/rna_fcurve.c
index 254f3bc3710..424bb4a492f 100644
--- a/source/blender/makesrna/intern/rna_fcurve.c
+++ b/source/blender/makesrna/intern/rna_fcurve.c
@@ -76,6 +76,22 @@ const EnumPropertyItem rna_enum_fmodifier_type_items[] = {
     {0, NULL, 0, NULL, NULL},
 };
 
+const EnumPropertyItem rna_enum_fcurve_auto_smoothing_items[] = {
+    {FCURVE_SMOOTH_NONE,
+     "NONE",
+     0,
+     "None",
+     "Automatic handles only take immediately adjacent keys into account"},
+    {FCURVE_SMOOTH_CONT_ACCEL,
+     "CONT_ACCEL",
+     0,
+     "Continuous Acceleration",
+     "Automatic handles are adjusted to avoid jumps in acceleration, resulting "
+     "in smoother curves. However, key changes may affect interpolation over a "
+     "larger stretch of the curve"},
+    {0, NULL, 0, NULL, NULL},
+};
+
 const EnumPropertyItem rna_enum_beztriple_keyframe_type_items[] = {
     {BEZT_KEYTYPE_KEYFRAME,
      "KEYFRAME",
@@ -2258,19 +2274,6 @@ static void rna_def_fcurve(BlenderRNA *brna)
        "Use custom hand-picked color for F-Curve"},
       {0, NULL, 0, NULL, NULL},
   };
-  static EnumPropertyItem prop_mode_smoothing_items[] = {
-      {FCURVE_SMOOTH_NONE,
-       "NONE",
-       0,
-       "None",
-       "Auto handles only take adjacent keys into account (legacy mode)"},
-      {FCURVE_SMOOTH_CONT_ACCEL,
-       "CONT_ACCEL",
-       0,
-       "Continuous Acceleration",
-       "Auto handles are placed to avoid jumps in acceleration"},
-      {0, NULL, 0, NULL, NULL},
-  };
 
   srna = RNA_def_struct(brna, "FCurve", NULL);
   RNA_def_struct_ui_text(srna, "F-Curve", "F-Curve defining values of a period of time");
@@ -2350,7 +2353,7 @@ static void rna_def_fcurve(BlenderRNA *brna)
   RNA_def_property_update(prop, NC_SPACE | ND_SPACE_GRAPH, NULL);
 
   prop = RNA_def_property(srna, "auto_smoothing", PROP_ENUM, PROP_NONE);
-  RNA_def_property_enum_items(prop, prop_mode_smoothing_items);
+  RNA_def_property_enum_items(prop, rna_enum_fcurve_auto_smoothing_items);
   RNA_def_property_ui_text(
       prop, "Auto Handle Smoothing", "Algorithm used to compute automatic handles");
   RNA_def_property_update(prop, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, "rna_FCurve_update_data");
diff --git a/source/blender/makesrna/intern/rna_userdef.c b/source/blender/makesrna/intern/rna_userdef.c
index f08a3ce93a1..07ce07710b1 100644
--- a/source/blender/makesrna/intern/rna_userdef.c
+++ b/source/blender/makesrna/intern/rna_userdef.c
@@ -4657,6 +4657,13 @@ static void rna_def_userdef_edit(BlenderRNA *brna)
       "Color for newly added transformation F-Curves (Location, Rotation, Scale) "
       "and also Color is based on the transform axis");
 
+  prop = RNA_def_property(srna, "fcurve_new_auto_smoothing", PROP_ENUM, PROP_NONE);
+  RNA_def_property_enum_items(prop, rna_enum_fcurve_auto_smoothing_items);
+  RNA_def_property_enum_sdna(prop, NULL, "auto_smoothing_new");
+  RNA_def_property_ui_text(prop,
+                           "New Curve Smoothing Mode",
+                           "Auto Handle Smoothing mode used for newly added F-Curves");
+
   prop = RNA_def_property(srna, "keyframe_new_interpolation_type", PROP_ENUM, PROP_NONE);
   RNA_def_property_enum_items(prop, rna_enum_beztriple_interpolation_mode_items);
   RNA_def_property_enum_sdna(prop, NULL, "ipo_new");