diff --git a/src/libslic3r/Format/3mf.cpp b/src/libslic3r/Format/3mf.cpp
index 58592e0d7e..613b7444af 100644
--- a/src/libslic3r/Format/3mf.cpp
+++ b/src/libslic3r/Format/3mf.cpp
@@ -666,7 +666,6 @@ namespace Slic3r {
 
         close_zip_reader(&archive);
 
-#if ENABLE_RELOAD_FROM_DISK_FOR_3MF
         if (m_version == 0) {
             // if the 3mf was not produced by PrusaSlicer and there is more than one instance,
             // split the object in as many objects as instances
@@ -711,7 +710,6 @@ namespace Slic3r {
                 ++i;
             }
         }
-#endif // ENABLE_RELOAD_FROM_DISK_FOR_3MF
 
         for (const IdToModelObjectMap::value_type& object : m_objects) {
             if (object.second >= int(m_model->objects.size())) {
@@ -779,7 +777,6 @@ namespace Slic3r {
                 return false;
         }
 
-#if ENABLE_RELOAD_FROM_DISK_FOR_3MF
         int object_idx = 0;
         for (ModelObject* o : model.objects) {
             int volume_idx = 0;
@@ -795,7 +792,6 @@ namespace Slic3r {
             }
             ++object_idx;
         }
-#endif // ENABLE_RELOAD_FROM_DISK_FOR_3MF
 
 //        // fixes the min z of the model if negative
 //        model.adjust_min_z();
@@ -1877,7 +1873,6 @@ namespace Slic3r {
 			stl_get_size(&stl);
 			triangle_mesh.repair();
 
-#if ENABLE_RELOAD_FROM_DISK_FOR_3MF
             if (m_version == 0) {
                 // if the 3mf was not produced by PrusaSlicer and there is only one instance,
                 // bake the transformation into the geometry to allow the reload from disk command
@@ -1887,7 +1882,6 @@ namespace Slic3r {
                     object.instances.front()->set_transformation(Slic3r::Geometry::Transformation());
                 }
             }
-#endif // ENABLE_RELOAD_FROM_DISK_FOR_3MF
 
 			ModelVolume* volume = object.add_volume(std::move(triangle_mesh));
             // stores the volume matrix taken from the metadata, if present
diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index b83f7638b7..77a70436cd 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -41,8 +41,6 @@
 //====================
 #define ENABLE_2_4_0_ALPHA0 1
 
-// Enable reload from disk command for 3mf files
-#define ENABLE_RELOAD_FROM_DISK_FOR_3MF (1 && ENABLE_2_4_0_ALPHA0)
 // Enable showing gcode line numbers in preview horizontal slider
 #define ENABLE_GCODE_LINES_ID_IN_H_SLIDER (1 && ENABLE_2_4_0_ALPHA0)
 // Enable validation of custom gcode against gcode processor reserved keywords
diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index aec5d3839b..127a6417e8 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -40,6 +40,7 @@
 #include "slic3r/Utils/PresetUpdater.hpp"
 #include "format.hpp"
 #include "MsgDialog.hpp"
+#include "libslic3r/libslic3r.h"
 
 #if defined(__linux__) && defined(__WXGTK3__)
 #define wxLinux_gtk3 true
@@ -65,6 +66,7 @@ bool Bundle::load(fs::path source_path, bool ais_in_resources, bool ais_prusa_bu
 
     std::string path_string = source_path.string();
     auto [config_substitutions, presets_loaded] = preset_bundle->load_configbundle(path_string, PresetBundle::LoadConfigBundleAttribute::LoadSystem);
+    UNUSED(config_substitutions);
     // No substitutions shall be reported when loading a system config bundle, no substitutions are allowed.
     assert(config_substitutions.empty());
     auto first_vendor = preset_bundle->vendors.begin();
diff --git a/src/slic3r/GUI/ImGuiWrapper.cpp b/src/slic3r/GUI/ImGuiWrapper.cpp
index 799b5be4ac..9980ba5a71 100644
--- a/src/slic3r/GUI/ImGuiWrapper.cpp
+++ b/src/slic3r/GUI/ImGuiWrapper.cpp
@@ -204,7 +204,8 @@ bool ImGuiWrapper::update_mouse_data(wxMouseEvent& evt)
     unsigned buttons = (evt.LeftIsDown() ? 1 : 0) | (evt.RightIsDown() ? 2 : 0) | (evt.MiddleIsDown() ? 4 : 0);
     m_mouse_buttons = buttons;
 
-    new_frame();
+    if (want_mouse())
+        new_frame();
     return want_mouse();
 }
 
@@ -222,9 +223,6 @@ bool ImGuiWrapper::update_key_data(wxKeyEvent &evt)
         if (key != 0) {
             io.AddInputCharacter(key);
         }
-
-        new_frame();
-        return want_keyboard() || want_text_input();
     } else {
         // Key up/down event
         int key = evt.GetKeyCode();
@@ -235,10 +233,11 @@ bool ImGuiWrapper::update_key_data(wxKeyEvent &evt)
         io.KeyCtrl = evt.ControlDown();
         io.KeyAlt = evt.AltDown();
         io.KeySuper = evt.MetaDown();
-
-        new_frame();
-        return want_keyboard() || want_text_input();
     }
+    bool ret = want_keyboard() || want_text_input();
+    if (ret)
+        new_frame();
+    return ret;
 }
 
 void ImGuiWrapper::new_frame()
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index c81a495691..8614acf680 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -1985,7 +1985,7 @@ void MainFrame::select_tab(size_t tab/* = size_t(-1)*/)
         m_main_sizer->Show(m_tabpanel, tab != 0);
 
         // plater should be focused for correct navigation inside search window
-        if (tab == 0 && m_plater->canvas3D()->is_search_pressed())
+        if (tab == 0)
             m_plater->SetFocus();
         Layout();
     }
diff --git a/src/slic3r/GUI/Notebook.cpp b/src/slic3r/GUI/Notebook.cpp
index afc0241d8c..bcc1d2e595 100644
--- a/src/slic3r/GUI/Notebook.cpp
+++ b/src/slic3r/GUI/Notebook.cpp
@@ -50,7 +50,7 @@ void ButtonsListCtrl::OnPaint(wxPaintEvent&)
     const wxColour& selected_btn_bg  = Slic3r::GUI::wxGetApp().get_color_selected_btn_bg();
     const wxColour& default_btn_bg   = Slic3r::GUI::wxGetApp().get_highlight_default_clr();
     const wxColour& btn_marker_color = Slic3r::GUI::wxGetApp().get_color_hovered_btn_label();
-    for (int idx = 0; idx < m_pageButtons.size(); idx++) {
+    for (int idx = 0; idx < int(m_pageButtons.size()); idx++) {
         wxButton* btn = m_pageButtons[idx];
 
         btn->SetBackgroundColour(idx == m_selection ? selected_btn_bg : default_btn_bg);
diff --git a/src/slic3r/GUI/NotificationManager.cpp b/src/slic3r/GUI/NotificationManager.cpp
index 6f51f0cf86..b000cbd69c 100644
--- a/src/slic3r/GUI/NotificationManager.cpp
+++ b/src/slic3r/GUI/NotificationManager.cpp
@@ -272,9 +272,9 @@ void NotificationManager::PopNotification::count_lines()
 			// find next suitable endline
 			if (ImGui::CalcTextSize(text.substr(last_end).c_str()).x >= m_window_width - m_window_width_offset) {
 				// more than one line till end
-				int next_space = text.find_first_of(' ', last_end);
+				size_t next_space = text.find_first_of(' ', last_end);
 				if (next_space > 0 && next_space < text.length()) {
-					int next_space_candidate = text.find_first_of(' ', next_space + 1);
+                    size_t next_space_candidate = text.find_first_of(' ', next_space + 1);
 					while (next_space_candidate > 0 && ImGui::CalcTextSize(text.substr(last_end, next_space_candidate - last_end).c_str()).x < m_window_width - m_window_width_offset) {
 						next_space = next_space_candidate;
 						next_space_candidate = text.find_first_of(' ', next_space + 1);
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index b642610d86..99c1e15988 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -1172,7 +1172,7 @@ void Tab::activate_option(const std::string& opt_key, const wxString& category)
     wxString page_title = translate_category(category, m_type);
 
     auto cur_item = m_treectrl->GetFirstVisibleItem();
-    if (!cur_item || !m_treectrl->IsVisible(cur_item))
+    if (!cur_item)
         return;
 
     while (cur_item) {