diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp
index 244e0d7a866..e770b32f143 100644
--- a/modules/mono/editor/bindings_generator.cpp
+++ b/modules/mono/editor/bindings_generator.cpp
@@ -273,7 +273,10 @@ String BindingsGenerator::bbcode_to_text(const String &p_bbcode, const TypeInter
 				target_cname = link_target_parts[0];
 			}
 
-			if (link_tag == "method") {
+			if (!_validate_api_type(target_itype, p_itype)) {
+				// If the target member is referenced from a type with a different API level, we can't reference it.
+				_append_text_undeclared(output, link_target);
+			} else if (link_tag == "method") {
 				_append_text_method(output, target_itype, target_cname, link_target, link_target_parts);
 			} else if (link_tag == "constructor") {
 				// TODO: Support constructors?
@@ -587,7 +590,10 @@ String BindingsGenerator::bbcode_to_xml(const String &p_bbcode, const TypeInterf
 				target_cname = link_target_parts[0];
 			}
 
-			if (link_tag == "method") {
+			if (!_validate_api_type(target_itype, p_itype)) {
+				// If the target member is referenced from a type with a different API level, we can't reference it.
+				_append_xml_undeclared(xml_output, link_target);
+			} else if (link_tag == "method") {
 				_append_xml_method(xml_output, target_itype, target_cname, link_target, link_target_parts, p_itype);
 			} else if (link_tag == "constructor") {
 				// TODO: Support constructors?
@@ -831,6 +837,9 @@ void BindingsGenerator::_append_text_method(StringBuilder &p_output, const TypeI
 			p_output.append("'new " BINDINGS_NAMESPACE ".");
 			p_output.append(p_target_itype->proxy_name);
 			p_output.append("()'");
+		} else if (p_target_cname == "to_string") {
+			// C# uses the built-in object.ToString() method, reference that instead.
+			p_output.append("'object.ToString()'");
 		} else {
 			const MethodInterface *target_imethod = p_target_itype->find_method_by_name(p_target_cname);
 
@@ -865,7 +874,7 @@ void BindingsGenerator::_append_text_method(StringBuilder &p_output, const TypeI
 				}
 				p_output.append(")'");
 			} else {
-				if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+				if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 					ERR_PRINT("Cannot resolve method reference in documentation: '" + p_link_target + "'.");
 				}
 
@@ -908,7 +917,7 @@ void BindingsGenerator::_append_text_member(StringBuilder &p_output, const TypeI
 			p_output.append(target_iprop->proxy_name);
 			p_output.append("'");
 		} else {
-			if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+			if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 				ERR_PRINT("Cannot resolve member reference in documentation: '" + p_link_target + "'.");
 			}
 
@@ -939,7 +948,7 @@ void BindingsGenerator::_append_text_signal(StringBuilder &p_output, const TypeI
 			p_output.append(target_isignal->proxy_name);
 			p_output.append("'");
 		} else {
-			if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+			if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 				ERR_PRINT("Cannot resolve signal reference in documentation: '" + p_link_target + "'.");
 			}
 
@@ -964,7 +973,7 @@ void BindingsGenerator::_append_text_enum(StringBuilder &p_output, const TypeInt
 		p_output.append(target_enum_itype.proxy_name); // Includes nesting class if any
 		p_output.append("'");
 	} else {
-		if (p_target_itype == nullptr || !p_target_itype->is_intentionally_ignored(p_link_target)) {
+		if (p_target_itype == nullptr || !p_target_itype->is_intentionally_ignored(p_target_cname)) {
 			ERR_PRINT("Cannot resolve enum reference in documentation: '" + p_link_target + "'.");
 		}
 
@@ -1032,7 +1041,7 @@ void BindingsGenerator::_append_text_constant(StringBuilder &p_output, const Typ
 				// Also search in @GlobalScope as a last resort if no class was specified
 				_append_text_constant_in_global_scope(p_output, p_target_cname, p_link_target);
 			} else {
-				if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+				if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 					ERR_PRINT("Cannot resolve constant reference in documentation: '" + p_link_target + "'.");
 				}
 
@@ -1106,12 +1115,15 @@ void BindingsGenerator::_append_xml_method(StringBuilder &p_xml_output, const Ty
 		_append_xml_undeclared(p_xml_output, p_link_target);
 	} else {
 		if (p_target_cname == "_init") {
-			// The _init method is not declared in C#, reference the constructor instead
+			// The _init method is not declared in C#, reference the constructor instead.
 			p_xml_output.append("<see cref=\"" BINDINGS_NAMESPACE ".");
 			p_xml_output.append(p_target_itype->proxy_name);
 			p_xml_output.append(".");
 			p_xml_output.append(p_target_itype->proxy_name);
 			p_xml_output.append("()\"/>");
+		} else if (p_target_cname == "to_string") {
+			// C# uses the built-in object.ToString() method, reference that instead.
+			p_xml_output.append("<see cref=\"object.ToString()\"/>");
 		} else {
 			const MethodInterface *target_imethod = p_target_itype->find_method_by_name(p_target_cname);
 
@@ -1149,7 +1161,7 @@ void BindingsGenerator::_append_xml_method(StringBuilder &p_xml_output, const Ty
 					p_xml_output.append(")\"/>");
 				}
 			} else {
-				if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+				if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 					ERR_PRINT("Cannot resolve method reference in documentation: '" + p_link_target + "'.");
 				}
 
@@ -1195,7 +1207,7 @@ void BindingsGenerator::_append_xml_member(StringBuilder &p_xml_output, const Ty
 				p_xml_output.append("\"/>");
 			}
 		} else {
-			if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+			if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 				ERR_PRINT("Cannot resolve member reference in documentation: '" + p_link_target + "'.");
 			}
 
@@ -1229,7 +1241,7 @@ void BindingsGenerator::_append_xml_signal(StringBuilder &p_xml_output, const Ty
 				p_xml_output.append("\"/>");
 			}
 		} else {
-			if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+			if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 				ERR_PRINT("Cannot resolve signal reference in documentation: '" + p_link_target + "'.");
 			}
 
@@ -1258,7 +1270,7 @@ void BindingsGenerator::_append_xml_enum(StringBuilder &p_xml_output, const Type
 			p_xml_output.append("\"/>");
 		}
 	} else {
-		if (p_target_itype == nullptr || !p_target_itype->is_intentionally_ignored(p_link_target)) {
+		if (p_target_itype == nullptr || !p_target_itype->is_intentionally_ignored(p_target_cname)) {
 			ERR_PRINT("Cannot resolve enum reference in documentation: '" + p_link_target + "'.");
 		}
 
@@ -1326,7 +1338,7 @@ void BindingsGenerator::_append_xml_constant(StringBuilder &p_xml_output, const
 				// Also search in @GlobalScope as a last resort if no class was specified
 				_append_xml_constant_in_global_scope(p_xml_output, p_target_cname, p_link_target);
 			} else {
-				if (!p_target_itype->is_intentionally_ignored(p_link_target)) {
+				if (!p_target_itype->is_intentionally_ignored(p_target_cname)) {
 					ERR_PRINT("Cannot resolve constant reference in documentation: '" + p_link_target + "'.");
 				}