Merge branch 'master' of github.com:Ultimaker/Cura

resources/definitions/fdmprinter.def.json

@@ -2510,6 +2510,7 @@
                             "minimum_value": "5",
                             "minimum_value_warning": "50",
                             "maximum_value_warning": "150",
+                            "enabled": "support_enable",
                             "limit_to_extruder": "support_infill_extruder_nr",
                             "settable_per_mesh": false,
                             "settable_per_extruder": true
@@ -3890,7 +3891,7 @@
                     "value": "retraction_hop",
                     "minimum_value_warning": "0",
                     "maximum_value_warning": "10",
-                    "enabled": "retraction_enable and retraction_hop_after_extruder_switch",
+                    "enabled": "retraction_enable and retraction_hop_after_extruder_switch and extruders_enabled_count > 1",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true
                 }