diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index c74bd79211..0e871ffad5 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -5003,6 +5003,17 @@
                     "enabled": "magic_spiralize",
                     "settable_per_mesh": false,
                     "settable_per_extruder": false
+                },
+                "relative_extrusion":
+                {
+                    "label": "Relative Extrusion",
+                    "description": "Use relative extrusion rather than absolute extrusion. Using relative E-steps makes for easier post-processing of the Gcode. However, it's not supported by all printers and it may produce very slight deviations in the amount of deposited material compared to absolute E-steps. Irrespective of this setting, the extrusion mode will always be set to absolute before any Gcode script is output.",
+                    "type": "bool",
+                    "default_value": false,
+                    "value": "machine_gcode_flavor==\"RepRap (RepRap)\"",
+                    "enabled": true,
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": false
                 }
             }
         },
diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index b11a84164a..797a05e324 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -31,6 +31,11 @@
         {
             "minimum_value": "0",
             "maximum_value": "machine_width"
+        },
+        "relative_extrusion":
+        {
+            "value": false,
+            "enabled": false
         }
     }
 }
diff --git a/resources/themes/cura-light/theme.json b/resources/themes/cura-light/theme.json
index 9cf736aa34..46bf343bed 100644
--- a/resources/themes/cura-light/theme.json
+++ b/resources/themes/cura-light/theme.json
@@ -166,7 +166,7 @@
         "setting_control_highlight": [255, 255, 255, 0],
         "setting_control_border": [127, 127, 127, 255],
         "setting_control_border_highlight": [12, 169, 227, 255],
-        "setting_control_text": [127, 127, 127, 255],
+        "setting_control_text": [27, 27, 27, 255],
         "setting_control_depth_line": [127, 127, 127, 255],
         "setting_control_button": [127, 127, 127, 255],
         "setting_control_button_hover": [70, 84, 113, 255],
@@ -197,7 +197,7 @@
         "checkbox_border": [64, 69, 72, 255],
         "checkbox_border_hover": [12, 169, 227, 255],
         "checkbox_mark": [119, 122, 124, 255],
-        "checkbox_text": [166, 168, 169, 255],
+        "checkbox_text": [27, 27, 27, 255],
 
         "mode_switch": [255, 255, 255, 255],
         "mode_switch_hover": [255, 255, 255, 255],
@@ -225,7 +225,7 @@
         "message_progressbar_background": [255, 255, 255, 255],
         "message_progressbar_control": [12, 169, 227, 255],
 
-        "tool_panel_background": [31, 36, 39, 255],
+        "tool_panel_background": [255, 255, 255, 255],
 
         "status_offline": [0, 0, 0, 255],
         "status_ready": [0, 205, 0, 255],