diff --git a/src/slic3r/GUI/AppConfig.cpp b/src/slic3r/GUI/AppConfig.cpp
index 96213447c..5a165e8ae 100644
--- a/src/slic3r/GUI/AppConfig.cpp
+++ b/src/slic3r/GUI/AppConfig.cpp
@@ -26,7 +26,7 @@ namespace Slic3r {
 
 static const std::string VENDOR_PREFIX = "vendor:";
 static const std::string MODEL_PREFIX = "model:";
-static const std::string VERSION_CHECK_URL = "http://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/PrusaSlicer.version";
+static const std::string VERSION_CHECK_URL = "https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/PrusaSlicer.version";
 
 void AppConfig::reset()
 {
diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index a79426ed2..51098647f 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -1401,7 +1401,8 @@ wxMenuItem* ObjectList::append_menu_item_settings(wxMenu* menu_)
         menu->SetFirstSeparator();
 
     // Add frequently settings
-    create_freq_settings_popupmenu(menu, sel_vol==nullptr);
+    const bool is_object_settings = m_objects_model->GetItemType(GetSelection()) == itObject;
+    create_freq_settings_popupmenu(menu, is_object_settings);
 
     if (mode == comAdvanced)
         return nullptr;
diff --git a/src/slic3r/GUI/GUI_ObjectSettings.cpp b/src/slic3r/GUI/GUI_ObjectSettings.cpp
index adb549617..58daec8b7 100644
--- a/src/slic3r/GUI/GUI_ObjectSettings.cpp
+++ b/src/slic3r/GUI/GUI_ObjectSettings.cpp
@@ -106,6 +106,12 @@ bool ObjectSettings::update_settings_list()
                     update_settings_list(); 
                     m_parent->Layout(); 
                 });
+
+                /* Check overriden options list after deleting.
+                 * Some options couldn't be deleted because of another one.
+                 * Like, we couldn't delete fill pattern, if fill density is set to 100%
+                 */
+                update_config_values(config);
 			});
 			return btn;
 		};
diff --git a/src/slic3r/Utils/PresetUpdater.cpp b/src/slic3r/Utils/PresetUpdater.cpp
index d55063c7b..5723afca2 100644
--- a/src/slic3r/Utils/PresetUpdater.cpp
+++ b/src/slic3r/Utils/PresetUpdater.cpp
@@ -245,6 +245,16 @@ void PresetUpdater::priv::sync_version() const
 		})
 		.on_complete([&](std::string body, unsigned /* http_status */) {
 			boost::trim(body);
+			const auto nl_pos = body.find_first_of("\n\r");
+			if (nl_pos != std::string::npos) {
+				body.resize(nl_pos);
+			}
+
+			if (! Semver::parse(body)) {
+				BOOST_LOG_TRIVIAL(warning) << boost::format("Received invalid contents from `%1%`: Not a correct semver: `%2%`") % SLIC3R_APP_NAME % body;
+				return;
+			}
+
 			BOOST_LOG_TRIVIAL(info) << boost::format("Got %1% online version: `%2%`. Sending to GUI thread...") % SLIC3R_APP_NAME % body;
 
 			wxCommandEvent* evt = new wxCommandEvent(EVT_SLIC3R_VERSION_ONLINE);
diff --git a/xs/xsp/ExtrusionEntityCollection.xsp b/xs/xsp/ExtrusionEntityCollection.xsp
index 731232358..a868ea6bb 100644
--- a/xs/xsp/ExtrusionEntityCollection.xsp
+++ b/xs/xsp/ExtrusionEntityCollection.xsp
@@ -9,7 +9,7 @@
     %name{_new} ExtrusionEntityCollection();
     ~ExtrusionEntityCollection();
     Clone<ExtrusionEntityCollection> clone()
-        %code{% RETVAL = THIS->clone(); %};
+        %code{% RETVAL = (ExtrusionEntityCollection*)THIS->clone(); %};
     void reverse();
     void clear();
     ExtrusionEntityCollection* chained_path(bool no_reverse, ExtrusionRole role = erMixed)