Cleanup: improve comments, remove debug printf

release/scripts/presets/keyconfig/keymap_data/blender_default.py

@@ -5053,7 +5053,6 @@ def km_object_non_modal(params):
         ])
     else:
         items.extend([
-            # Transfer Sculpt Mode (release to avoid conflict with grease pencil drawing).
             # NOTE: this shortcut (while not temporary) is not ideal, see: T89757.
             ("object.transfer_mode", {"type": 'Q', "value": 'PRESS', "alt": True}, None),
         ])

source/blender/blenkernel/intern/layer.c

@@ -982,7 +982,6 @@ void BKE_layer_collection_sync(const Scene *scene, ViewLayer *view_layer)
   view_layer->object_bases = new_object_bases;
 
   LISTBASE_FOREACH (Base *, base, &view_layer->object_bases) {
-    printf("%s\n", base->object->id.name);
     BKE_base_eval_flags(base);
   }
 

source/blender/blenlib/intern/BLI_memarena.c

@@ -185,6 +185,9 @@ void *BLI_memarena_calloc(MemArena *ma, size_t size)
  *
  * \note Useful for multi-threaded tasks that need a thread-local #MemArena
  * that is kept after the multi-threaded operation is completed.
+ *
+ * \note Avoid accumulating memory pools where possible
+ * as any unused memory in `ma_src` is wasted every merge.
  */
 void BLI_memarena_merge(MemArena *ma_dst, MemArena *ma_src)
 {