diff --git a/intern/ghost/intern/GHOST_WindowWayland.cc b/intern/ghost/intern/GHOST_WindowWayland.cc
index bd2976f4686..9786ac22994 100644
--- a/intern/ghost/intern/GHOST_WindowWayland.cc
+++ b/intern/ghost/intern/GHOST_WindowWayland.cc
@@ -329,7 +329,7 @@ static GHOST_TSuccess gwl_window_cursor_custom_load(const GWL_WindowCursorCustom
 }
 
 static GHOST_TSuccess gwl_window_cursor_shape_refresh(GHOST_TStandardCursor shape,
-                                                      GWL_WindowCursorCustomShape &ccs,
+                                                      const GWL_WindowCursorCustomShape &ccs,
                                                       GHOST_SystemWayland *system)
 {
 #ifdef USE_EVENT_BACKGROUND_THREAD
diff --git a/source/blender/animrig/intern/action.cc b/source/blender/animrig/intern/action.cc
index 120a2113b45..3ff214fe2b5 100644
--- a/source/blender/animrig/intern/action.cc
+++ b/source/blender/animrig/intern/action.cc
@@ -1765,7 +1765,7 @@ bActionGroup *ChannelBag::channel_group_find(const StringRef name)
 int ChannelBag::channel_group_containing_index(const int fcurve_array_index)
 {
   int i = 0;
-  for (bActionGroup *group : this->channel_groups()) {
+  for (const bActionGroup *group : this->channel_groups()) {
     if (fcurve_array_index >= group->fcurve_range_start &&
         fcurve_array_index < (group->fcurve_range_start + group->fcurve_range_length))
     {
@@ -1787,7 +1787,7 @@ bActionGroup &ChannelBag::channel_group_create(StringRefNull name)
   int fcurve_index = 0;
   const int length = this->channel_groups().size();
   if (length > 0) {
-    bActionGroup *last = this->channel_group(length - 1);
+    const bActionGroup *last = this->channel_group(length - 1);
     fcurve_index = last->fcurve_range_start + last->fcurve_range_length;
   }
   new_group->fcurve_range_start = fcurve_index;
@@ -1805,7 +1805,7 @@ bActionGroup &ChannelBag::channel_group_create(StringRefNull name)
    * match that system's behavior, even when it's goofy.*/
   std::string unique_name = BLI_uniquename_cb(
       [&](const StringRef name) {
-        for (bActionGroup *group : this->channel_groups()) {
+        for (const bActionGroup *group : this->channel_groups()) {
           if (STREQ(group->name, name.data())) {
             return true;
           }
@@ -1841,7 +1841,7 @@ bool ChannelBag::channel_group_remove(bActionGroup &group)
 
   /* Move the group's fcurves to just past the end of where the grouped
    * fcurves will be after this group is removed. */
-  bActionGroup *last_group = this->channel_groups().last();
+  const bActionGroup *last_group = this->channel_groups().last();
   BLI_assert(last_group != nullptr);
   const int to_index = last_group->fcurve_range_start + last_group->fcurve_range_length -
                        group.fcurve_range_length;
diff --git a/source/blender/blenkernel/intern/action.cc b/source/blender/blenkernel/intern/action.cc
index a9415d3cba1..07c0588b26d 100644
--- a/source/blender/blenkernel/intern/action.cc
+++ b/source/blender/blenkernel/intern/action.cc
@@ -296,7 +296,7 @@ static void write_channelbag(BlendWriter *writer, animrig::ChannelBag &channelba
 
   Span<bActionGroup *> groups = channelbag.channel_groups();
   BLO_write_pointer_array(writer, groups.size(), groups.data());
-  for (bActionGroup *group : groups) {
+  for (const bActionGroup *group : groups) {
     BLO_write_struct(writer, bActionGroup, group);
   }
 
diff --git a/source/blender/blenkernel/intern/blendfile_link_append.cc b/source/blender/blenkernel/intern/blendfile_link_append.cc
index f04f554b649..5e9d1a81edb 100644
--- a/source/blender/blenkernel/intern/blendfile_link_append.cc
+++ b/source/blender/blenkernel/intern/blendfile_link_append.cc
@@ -621,7 +621,7 @@ static void loose_data_instantiate_obdata_preprocess(
       continue;
     }
     if (idcode == ID_GD_LEGACY) {
-      bGPdata *legacy_gpd = reinterpret_cast<bGPdata *>(id);
+      const bGPdata *legacy_gpd = reinterpret_cast<bGPdata *>(id);
       if ((legacy_gpd->flag & GP_DATA_ANNOTATIONS) != 0) {
         continue;
       }
diff --git a/source/blender/blenkernel/intern/nla.cc b/source/blender/blenkernel/intern/nla.cc
index a3a55597162..ac3d98f3ea0 100644
--- a/source/blender/blenkernel/intern/nla.cc
+++ b/source/blender/blenkernel/intern/nla.cc
@@ -2671,7 +2671,7 @@ namespace blender::bke::nla {
 
 bool foreach_strip(ID *id, blender::FunctionRef<bool(NlaStrip *)> callback)
 {
-  AnimData *adt = BKE_animdata_from_id(id);
+  const AnimData *adt = BKE_animdata_from_id(id);
   if (!adt) {
     /* Having no NLA trivially means that we've looped through all the strips. */
     return true;
diff --git a/source/blender/blenkernel/intern/pbvh_uv_islands.cc b/source/blender/blenkernel/intern/pbvh_uv_islands.cc
index bbb56c3a538..58fce1923e4 100644
--- a/source/blender/blenkernel/intern/pbvh_uv_islands.cc
+++ b/source/blender/blenkernel/intern/pbvh_uv_islands.cc
@@ -850,7 +850,7 @@ static int find_fill_primitive(const MeshData &mesh_data, UVBorderCorner &corner
   if (corner.first->get_uv_vertex(0) == corner.second->get_uv_vertex(1)) {
     return -1;
   }
-  UVVertex *shared_vert = corner.second->get_uv_vertex(0);
+  const UVVertex *shared_vert = corner.second->get_uv_vertex(0);
   for (const int edge_i : mesh_data.vert_to_edge_map[shared_vert->vertex]) {
     const int2 &edge = mesh_data.edges[edge_i];
     if (corner.first->edge->has_same_vertices(edge)) {
diff --git a/source/blender/blenkernel/intern/screen.cc b/source/blender/blenkernel/intern/screen.cc
index c300b349ab2..13c7cf03e19 100644
--- a/source/blender/blenkernel/intern/screen.cc
+++ b/source/blender/blenkernel/intern/screen.cc
@@ -879,11 +879,11 @@ std::optional<std::string> BKE_screen_path_from_screen_to_space(const PointerRNA
     return std::nullopt;
   }
 
-  bScreen *screen = reinterpret_cast<bScreen *>(ptr->owner_id);
-  SpaceLink *link = static_cast<SpaceLink *>(ptr->data);
+  const bScreen *screen = reinterpret_cast<const bScreen *>(ptr->owner_id);
+  const SpaceLink *link = static_cast<const SpaceLink *>(ptr->data);
 
   int area_index;
-  LISTBASE_FOREACH_INDEX (ScrArea *, area, &screen->areabase, area_index) {
+  LISTBASE_FOREACH_INDEX (const ScrArea *, area, &screen->areabase, area_index) {
     const int space_index = BLI_findindex(&area->spacedata, link);
     if (space_index != -1) {
       return fmt::format("areas[{}].spaces[{}]", area_index, space_index);
diff --git a/source/blender/blenlib/intern/delaunay_2d.cc b/source/blender/blenlib/intern/delaunay_2d.cc
index b51de8ca9e8..da24c2292f7 100644
--- a/source/blender/blenlib/intern/delaunay_2d.cc
+++ b/source/blender/blenlib/intern/delaunay_2d.cc
@@ -1495,7 +1495,7 @@ template<typename T> static void re_delaunay_triangulate(CDTArrangement<T> *cdt,
   }
   /* `se` is a diagonal just added, and it is base of area to re-triangulate (face on its left). */
   int count = 1;
-  for (SymEdge<T> *ss = se->next; ss != se; ss = ss->next) {
+  for (const SymEdge<T> *ss = se->next; ss != se; ss = ss->next) {
     count++;
   }
   if (count <= 3) {
diff --git a/source/blender/blentranslation/msgfmt/msgfmt.cc b/source/blender/blentranslation/msgfmt/msgfmt.cc
index 4ce2ad29e75..9adc2b91cb1 100644
--- a/source/blender/blentranslation/msgfmt/msgfmt.cc
+++ b/source/blender/blentranslation/msgfmt/msgfmt.cc
@@ -142,7 +142,9 @@ static char *generate(blender::Map<std::string, std::string> &messages, size_t *
   for (const auto message_items_iter : messages.items()) {
     items.append(Item(message_items_iter));
   }
-  std::sort(items.begin(), items.end(), [](Item &a, Item &b) -> bool { return a.key < b.key; });
+  std::sort(items.begin(), items.end(), [](const Item &a, const Item &b) -> bool {
+    return a.key < b.key;
+  });
 
   Offset *offsets = MEM_cnew_array<Offset>(num_keys, __func__);
   uint32_t tot_keys_len = 0;
diff --git a/source/blender/editors/gpencil_legacy/gpencil_convert.cc b/source/blender/editors/gpencil_legacy/gpencil_convert.cc
index 51d01e08f28..6702ba42fb0 100644
--- a/source/blender/editors/gpencil_legacy/gpencil_convert.cc
+++ b/source/blender/editors/gpencil_legacy/gpencil_convert.cc
@@ -1238,7 +1238,7 @@ static int gpencil_camera_view_subrect(bContext *C, rctf *subrect)
 
     /* for camera view set the subrect */
     if (rv3d->persp == RV3D_CAMOB) {
-      Scene *scene = CTX_data_scene(C);
+      const Scene *scene = CTX_data_scene(C);
       Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
       ED_view3d_calc_camera_border(scene, depsgraph, region, v3d, rv3d, subrect, true);
       return 1;
diff --git a/source/blender/editors/gpencil_legacy/gpencil_ops.cc b/source/blender/editors/gpencil_legacy/gpencil_ops.cc
index 108840b6f48..5332729b8e6 100644
--- a/source/blender/editors/gpencil_legacy/gpencil_ops.cc
+++ b/source/blender/editors/gpencil_legacy/gpencil_ops.cc
@@ -72,12 +72,12 @@ static bool gpencil_stroke_paintmode_poll_with_tool(bContext *C, const char gpen
     return false;
   }
 
-  ToolSettings *ts = CTX_data_tool_settings(C);
+  const ToolSettings *ts = CTX_data_tool_settings(C);
   if (!ts || !ts->gp_paint) {
     return false;
   }
 
-  Brush *brush = BKE_paint_brush(&ts->gp_paint->paint);
+  const Brush *brush = BKE_paint_brush(&ts->gp_paint->paint);
   return ((gpd->flag & GP_DATA_STROKE_PAINTMODE) && (brush && brush->gpencil_settings) &&
           WM_toolsystem_active_tool_is_brush(C) &&
           (brush->gpencil_brush_type == gpencil_brush_type));
@@ -86,17 +86,17 @@ static bool gpencil_stroke_paintmode_poll_with_tool(bContext *C, const char gpen
 static bool gpencil_stroke_vertexmode_poll_with_tool(bContext *C,
                                                      const char gpencil_vertex_brush_type)
 {
-  bGPdata *gpd = CTX_data_gpencil_data(C);
+  const bGPdata *gpd = CTX_data_gpencil_data(C);
   if (!gpd) {
     return false;
   }
 
-  ToolSettings *ts = CTX_data_tool_settings(C);
+  const ToolSettings *ts = CTX_data_tool_settings(C);
   if (!ts || !ts->gp_vertexpaint) {
     return false;
   }
 
-  Brush *brush = BKE_paint_brush(&ts->gp_vertexpaint->paint);
+  const Brush *brush = BKE_paint_brush(&ts->gp_vertexpaint->paint);
   return ((gpd->flag & GP_DATA_STROKE_VERTEXMODE) && (brush && brush->gpencil_settings) &&
           WM_toolsystem_active_tool_is_brush(C) &&
           (brush->gpencil_vertex_brush_type == gpencil_vertex_brush_type));
@@ -105,17 +105,17 @@ static bool gpencil_stroke_vertexmode_poll_with_tool(bContext *C,
 static bool gpencil_stroke_sculptmode_poll_with_tool(bContext *C,
                                                      const char gpencil_sculpt_brush_type)
 {
-  bGPdata *gpd = CTX_data_gpencil_data(C);
+  const bGPdata *gpd = CTX_data_gpencil_data(C);
   if (!gpd) {
     return false;
   }
 
-  ToolSettings *ts = CTX_data_tool_settings(C);
+  const ToolSettings *ts = CTX_data_tool_settings(C);
   if (!ts || !ts->gp_sculptpaint) {
     return false;
   }
 
-  Brush *brush = BKE_paint_brush(&ts->gp_sculptpaint->paint);
+  const Brush *brush = BKE_paint_brush(&ts->gp_sculptpaint->paint);
   return ((gpd->flag & GP_DATA_STROKE_SCULPTMODE) && (brush && brush->gpencil_settings) &&
           WM_toolsystem_active_tool_is_brush(C) &&
           (brush->gpencil_sculpt_brush_type == gpencil_sculpt_brush_type));
@@ -124,17 +124,17 @@ static bool gpencil_stroke_sculptmode_poll_with_tool(bContext *C,
 static bool gpencil_stroke_weightmode_poll_with_tool(bContext *C,
                                                      const char gpencil_weight_brush_type)
 {
-  bGPdata *gpd = CTX_data_gpencil_data(C);
+  const bGPdata *gpd = CTX_data_gpencil_data(C);
   if (!gpd) {
     return false;
   }
 
-  ToolSettings *ts = CTX_data_tool_settings(C);
+  const ToolSettings *ts = CTX_data_tool_settings(C);
   if (!ts || !ts->gp_weightpaint) {
     return false;
   }
 
-  Brush *brush = BKE_paint_brush(&ts->gp_weightpaint->paint);
+  const Brush *brush = BKE_paint_brush(&ts->gp_weightpaint->paint);
   return ((gpd->flag & GP_DATA_STROKE_WEIGHTMODE) && (brush && brush->gpencil_settings) &&
           WM_toolsystem_active_tool_is_brush(C) &&
           (brush->gpencil_weight_brush_type == gpencil_weight_brush_type));
diff --git a/source/blender/editors/interface/templates/interface_templates.cc b/source/blender/editors/interface/templates/interface_templates.cc
index 94943f4427d..9be52e8241f 100644
--- a/source/blender/editors/interface/templates/interface_templates.cc
+++ b/source/blender/editors/interface/templates/interface_templates.cc
@@ -2235,7 +2235,8 @@ static void template_search_buttons(const bContext *C,
 {
   uiBlock *block = uiLayoutGetBlock(layout);
   uiRNACollectionSearch *search_data = &template_search.search_data;
-  StructRNA *type = RNA_property_pointer_type(&search_data->target_ptr, search_data->target_prop);
+  const StructRNA *type = RNA_property_pointer_type(&search_data->target_ptr,
+                                                    search_data->target_prop);
   const bool editable = RNA_property_editable(&search_data->target_ptr, search_data->target_prop);
   PointerRNA active_ptr = RNA_property_pointer_get(&search_data->target_ptr,
                                                    search_data->target_prop);
@@ -6444,7 +6445,7 @@ void uiTemplateReportsBanner(uiLayout *layout, bContext *C)
   UI_block_emboss_set(block, previous_emboss);
 }
 
-static bool uiTemplateInputStatusAzone(uiLayout *layout, AZone *az, ARegion *region)
+static bool uiTemplateInputStatusAzone(uiLayout *layout, const AZone *az, const ARegion *region)
 {
   if (az->type == AZONE_AREA) {
     uiItemL(layout, nullptr, ICON_MOUSE_LMB_DRAG);
diff --git a/source/blender/editors/screen/screen_draw.cc b/source/blender/editors/screen/screen_draw.cc
index 8e726a6641d..24091a64e7a 100644
--- a/source/blender/editors/screen/screen_draw.cc
+++ b/source/blender/editors/screen/screen_draw.cc
@@ -223,7 +223,7 @@ void ED_screen_draw_edges(wmWindow *win)
   }
 }
 
-static void screen_draw_area_drag_tip(int x, int y, ScrArea *source, const std::string &hint)
+static void screen_draw_area_drag_tip(int x, int y, const ScrArea *source, const std::string &hint)
 {
   if (!U.experimental.use_docking) {
     return;
diff --git a/source/blender/editors/screen/screen_edit.cc b/source/blender/editors/screen/screen_edit.cc
index 9a105cd1691..dad8fa278aa 100644
--- a/source/blender/editors/screen/screen_edit.cc
+++ b/source/blender/editors/screen/screen_edit.cc
@@ -683,7 +683,7 @@ static bool region_poll(const bContext *C,
 /**
  * \return true if any region polling state changed, and a screen refresh is needed.
  */
-static bool screen_regions_poll(bContext *C, wmWindow *win, bScreen *screen)
+static bool screen_regions_poll(bContext *C, wmWindow *win, const bScreen *screen)
 {
   wmWindow *prev_win = CTX_wm_window(C);
   ScrArea *prev_area = CTX_wm_area(C);
diff --git a/source/blender/editors/space_view3d/view3d_edit.cc b/source/blender/editors/space_view3d/view3d_edit.cc
index 732bef857e2..64dd64e1402 100644
--- a/source/blender/editors/space_view3d/view3d_edit.cc
+++ b/source/blender/editors/space_view3d/view3d_edit.cc
@@ -271,7 +271,7 @@ static int render_border_exec(bContext *C, wmOperator *op)
   /* calculate range */
 
   if (rv3d->persp == RV3D_CAMOB) {
-    Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
+    const Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
     ED_view3d_calc_camera_border(scene, depsgraph, region, v3d, rv3d, &vb, false);
   }
   else {
diff --git a/source/blender/editors/space_view3d/view3d_navigate_view_zoom.cc b/source/blender/editors/space_view3d/view3d_navigate_view_zoom.cc
index 83a0b0d3ddf..3ddcc625bcb 100644
--- a/source/blender/editors/space_view3d/view3d_navigate_view_zoom.cc
+++ b/source/blender/editors/space_view3d/view3d_navigate_view_zoom.cc
@@ -57,7 +57,7 @@ void viewzoom_modal_keymap(wmKeyConfig *keyconf)
  * (coords compatible w/ #wmEvent.xy). Use when not nullptr.
  */
 static void view_zoom_to_window_xy_camera(Scene *scene,
-                                          Depsgraph *depsgraph,
+                                          const Depsgraph *depsgraph,
                                           View3D *v3d,
                                           ARegion *region,
                                           float dfac,
diff --git a/source/blender/editors/undo/ed_undo.cc b/source/blender/editors/undo/ed_undo.cc
index eecc8a9c56c..71caf3b0380 100644
--- a/source/blender/editors/undo/ed_undo.cc
+++ b/source/blender/editors/undo/ed_undo.cc
@@ -872,7 +872,7 @@ void ED_undo_object_editmode_restore_helper(Scene *scene,
     ((ID *)obedit->data)->tag &= ~ID_TAG_DOIT;
   }
   for (Base *base : bases) {
-    ID *id = static_cast<ID *>(base->object->data);
+    const ID *id = static_cast<ID *>(base->object->data);
     if (id->tag & ID_TAG_DOIT) {
       object::editmode_exit_ex(bmain, scene, base->object, object::EM_FREEDATA);
       /* Ideally we would know the selection state it was before entering edit-mode,
diff --git a/source/blender/imbuf/intern/cineon/logImageCore.cc b/source/blender/imbuf/intern/cineon/logImageCore.cc
index e1f54f3bf3b..3f964e8c4ab 100644
--- a/source/blender/imbuf/intern/cineon/logImageCore.cc
+++ b/source/blender/imbuf/intern/cineon/logImageCore.cc
@@ -1433,7 +1433,7 @@ static int convertABGR_RGBA(const float *src,
 
 static int convertCbYCr_RGBA(const float *src,
                              float *dst,
-                             LogImageFile *logImage,
+                             const LogImageFile *logImage,
                              const LogImageElement &logElement)
 {
   uint i;
@@ -1465,7 +1465,7 @@ static int convertCbYCr_RGBA(const float *src,
 
 static int convertCbYCrA_RGBA(const float *src,
                               float *dst,
-                              LogImageFile *logImage,
+                              const LogImageFile *logImage,
                               const LogImageElement &logElement)
 {
   uint i;
@@ -1498,7 +1498,7 @@ static int convertCbYCrA_RGBA(const float *src,
 
 static int convertCbYCrY_RGBA(const float *src,
                               float *dst,
-                              LogImageFile *logImage,
+                              const LogImageFile *logImage,
                               const LogImageElement &logElement)
 {
   uint i;
@@ -1550,7 +1550,7 @@ static int convertCbYCrY_RGBA(const float *src,
 
 static int convertCbYACrYA_RGBA(const float *src,
                                 float *dst,
-                                LogImageFile *logImage,
+                                const LogImageFile *logImage,
                                 const LogImageElement &logElement)
 {
   uint i;
@@ -1604,7 +1604,7 @@ static int convertCbYACrYA_RGBA(const float *src,
 
 static int convertLuminance_RGBA(const float *src,
                                  float *dst,
-                                 LogImageFile *logImage,
+                                 const LogImageFile *logImage,
                                  const LogImageElement &logElement)
 {
   uint i;
@@ -1630,7 +1630,7 @@ static int convertLuminance_RGBA(const float *src,
 
 static int convertYA_RGBA(const float *src,
                           float *dst,
-                          LogImageFile *logImage,
+                          const LogImageFile *logImage,
                           const LogImageElement &logElement)
 {
   uint i;
diff --git a/source/blender/makesrna/intern/rna_pose_api.cc b/source/blender/makesrna/intern/rna_pose_api.cc
index 02578ca48ad..382fec7db23 100644
--- a/source/blender/makesrna/intern/rna_pose_api.cc
+++ b/source/blender/makesrna/intern/rna_pose_api.cc
@@ -226,24 +226,24 @@ void RNA_api_pose(StructRNA *srna)
                                   "pose of selected bones, or all bones if none are selected.");
   parm = RNA_def_pointer(func, "action", "Action", "Action", "The Action containing the pose");
   RNA_def_parameter_flags(parm, PropertyFlag(0), PARM_REQUIRED);
-  parm = RNA_def_float(func,
-                       "blend_factor",
-                       1.0f,
-                       0.0f,
-                       1.0f,
-                       "Blend Factor",
-                       "How much the given Action affects the final pose",
-                       0.0f,
-                       1.0f);
-  parm = RNA_def_float(func,
-                       "evaluation_time",
-                       0.0f,
-                       -FLT_MAX,
-                       FLT_MAX,
-                       "Evaluation Time",
-                       "Time at which the given action is evaluated to obtain the pose",
-                       -FLT_MAX,
-                       FLT_MAX);
+  RNA_def_float(func,
+                "blend_factor",
+                1.0f,
+                0.0f,
+                1.0f,
+                "Blend Factor",
+                "How much the given Action affects the final pose",
+                0.0f,
+                1.0f);
+  RNA_def_float(func,
+                "evaluation_time",
+                0.0f,
+                -FLT_MAX,
+                FLT_MAX,
+                "Evaluation Time",
+                "Time at which the given action is evaluated to obtain the pose",
+                -FLT_MAX,
+                FLT_MAX);
 
   func = RNA_def_function(srna, "backup_create", "rna_Pose_backup_create");
   RNA_def_function_ui_description(
diff --git a/source/blender/python/intern/bpy_rna.cc b/source/blender/python/intern/bpy_rna.cc
index dfd22d9aeb9..7364de8a766 100644
--- a/source/blender/python/intern/bpy_rna.cc
+++ b/source/blender/python/intern/bpy_rna.cc
@@ -90,7 +90,7 @@
 
 BPy_StructRNA *bpy_context_module = nullptr; /* for fast access */
 
-static PyObject *pyrna_struct_CreatePyObject_from_type(PointerRNA *ptr,
+static PyObject *pyrna_struct_CreatePyObject_from_type(const PointerRNA *ptr,
                                                        PyTypeObject *tp,
                                                        void **instance);
 
@@ -7624,7 +7624,7 @@ static PyObject *pyrna_struct_Subtype(PointerRNA *ptr)
  * A lower level version of #pyrna_struct_CreatePyObject,
  * use this when type (`tp`) needs to be set to a non-standard value.
  */
-static PyObject *pyrna_struct_CreatePyObject_from_type(PointerRNA *ptr,
+static PyObject *pyrna_struct_CreatePyObject_from_type(const PointerRNA *ptr,
                                                        PyTypeObject *tp,
                                                        void **instance)
 {
diff --git a/source/blender/sequencer/intern/effects.cc b/source/blender/sequencer/intern/effects.cc
index d0d2171ac31..0e0b0863bb1 100644
--- a/source/blender/sequencer/intern/effects.cc
+++ b/source/blender/sequencer/intern/effects.cc
@@ -2230,7 +2230,7 @@ static ImBuf *do_speed_effect(const SeqRenderData *context,
                               ImBuf *ibuf1,
                               ImBuf *ibuf2)
 {
-  SpeedControlVars *s = (SpeedControlVars *)seq->effectdata;
+  const SpeedControlVars *s = (SpeedControlVars *)seq->effectdata;
   SeqEffectHandle cross_effect = get_sequence_effect_impl(SEQ_TYPE_CROSS);
   ImBuf *out;
 
diff --git a/source/blender/sequencer/intern/image_cache.cc b/source/blender/sequencer/intern/image_cache.cc
index 0c5fd5914bd..e4f16ef7689 100644
--- a/source/blender/sequencer/intern/image_cache.cc
+++ b/source/blender/sequencer/intern/image_cache.cc
@@ -122,10 +122,10 @@ static bool seq_cache_hashcmp(const void *a_, const void *b_)
           seq_cmp_render_data(&a->context, &b->context));
 }
 
-static float seq_cache_timeline_frame_to_frame_index(Scene *scene,
+static float seq_cache_timeline_frame_to_frame_index(const Scene *scene,
                                                      const Sequence *seq,
-                                                     float timeline_frame,
-                                                     int type)
+                                                     const float timeline_frame,
+                                                     const int type)
 {
   /* With raw images, map timeline_frame to strip input media frame range. This means that static
    * images or extended frame range of movies will only generate one cache entry. No special
diff --git a/source/blender/sequencer/intern/modifier.cc b/source/blender/sequencer/intern/modifier.cc
index 844e5c11bf4..3703f8c6826 100644
--- a/source/blender/sequencer/intern/modifier.cc
+++ b/source/blender/sequencer/intern/modifier.cc
@@ -360,7 +360,7 @@ static void color_balance_byte(const float cb_tab[3][CB_TABLE_SIZE],
                                int height)
 {
   uchar *ptr = rect;
-  uchar *ptr_end = ptr + int64_t(width) * height * 4;
+  const uchar *ptr_end = ptr + int64_t(width) * height * 4;
   const uchar *mask_ptr = mask_rect;
 
   if (mask_ptr != nullptr) {
@@ -975,7 +975,7 @@ static void brightcontrast_apply(const StripScreenQuad & /*quad*/,
                                  ImBuf *ibuf,
                                  ImBuf *mask)
 {
-  BrightContrastModifierData *bcmd = (BrightContrastModifierData *)smd;
+  const BrightContrastModifierData *bcmd = (BrightContrastModifierData *)smd;
   BrightContrastThreadData data;
 
   data.bright = bcmd->bright;
diff --git a/source/blender/sequencer/intern/thumbnail_cache.cc b/source/blender/sequencer/intern/thumbnail_cache.cc
index 98545f1a02a..dfc8f83cb58 100644
--- a/source/blender/sequencer/intern/thumbnail_cache.cc
+++ b/source/blender/sequencer/intern/thumbnail_cache.cc
@@ -204,7 +204,7 @@ static void image_size_to_thumb_size(int &r_width, int &r_height)
   }
 }
 
-static ImBuf *make_thumb_for_image(Scene *scene, const ThumbnailCache::Request &request)
+static ImBuf *make_thumb_for_image(const Scene *scene, const ThumbnailCache::Request &request)
 {
   ImBuf *ibuf = IMB_thumb_load_image(
       request.file_path.c_str(), SEQ_THUMB_SIZE, nullptr, IMBThumbLoadFlags::LoadLargeFiles);
diff --git a/source/blender/windowmanager/WM_api.hh b/source/blender/windowmanager/WM_api.hh
index c11d23e8abc..4f5375c69b5 100644
--- a/source/blender/windowmanager/WM_api.hh
+++ b/source/blender/windowmanager/WM_api.hh
@@ -1538,7 +1538,7 @@ std::string WM_drag_get_string_firstline(const wmDrag *drag);
 /* Set OpenGL viewport and scissor. */
 void wmViewport(const rcti *winrct);
 void wmPartialViewport(rcti *drawrct, const rcti *winrct, const rcti *partialrct);
-void wmWindowViewport(wmWindow *win);
+void wmWindowViewport(const wmWindow *win);
 
 /* OpenGL utilities with safety check. */
 void wmOrtho2(float x1, float x2, float y1, float y2);
diff --git a/source/blender/windowmanager/intern/wm_playanim.cc b/source/blender/windowmanager/intern/wm_playanim.cc
index a7b5df87fd3..131b0ca9f70 100644
--- a/source/blender/windowmanager/intern/wm_playanim.cc
+++ b/source/blender/windowmanager/intern/wm_playanim.cc
@@ -1919,7 +1919,7 @@ static bool wm_main_playanim_intern(int argc, const char **argv, PlayArgs *args_
 #ifdef WITH_AUDASPACE
   g_audaspace.source = AUD_Sound_file(filepath);
   if (!BLI_listbase_is_empty(&ps.picsbase)) {
-    ImBufAnim *anim_movie = static_cast<PlayAnimPict *>(ps.picsbase.first)->anim;
+    const ImBufAnim *anim_movie = static_cast<PlayAnimPict *>(ps.picsbase.first)->anim;
     if (anim_movie) {
       short frs_sec = 25;
       float frs_sec_base = 1.0;
diff --git a/source/blender/windowmanager/intern/wm_subwindow.cc b/source/blender/windowmanager/intern/wm_subwindow.cc
index 4a37512fcdb..c587e6c7120 100644
--- a/source/blender/windowmanager/intern/wm_subwindow.cc
+++ b/source/blender/windowmanager/intern/wm_subwindow.cc
@@ -71,7 +71,7 @@ void wmPartialViewport(rcti *drawrct, const rcti *winrct, const rcti *partialrct
   GPU_matrix_identity_set();
 }
 
-void wmWindowViewport(wmWindow *win)
+void wmWindowViewport(const wmWindow *win)
 {
   int width = WM_window_native_pixel_x(win);
   int height = WM_window_native_pixel_y(win);