diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml
index 42531083a0..3a4462769b 100644
--- a/doc/classes/ProjectSettings.xml
+++ b/doc/classes/ProjectSettings.xml
@@ -949,6 +949,20 @@
 		<member name="memory/limits/multithreaded_server/rid_pool_prealloc" type="int" setter="" getter="" default="60">
 			This is used by servers when used in multi-threading mode (servers and visual). RIDs are preallocated to avoid stalling the server requesting them on threads. If servers get stalled too often when loading resources in a thread, increase this number.
 		</member>
+		<member name="mono/debugger_agent/port" type="int" setter="" getter="" default="23685">
+		</member>
+		<member name="mono/debugger_agent/wait_for_debugger" type="bool" setter="" getter="" default="false">
+		</member>
+		<member name="mono/debugger_agent/wait_timeout" type="int" setter="" getter="" default="3000">
+		</member>
+		<member name="mono/profiler/args" type="String" setter="" getter="" default="&quot;log:calls,alloc,sample,output=output.mlpd&quot;">
+		</member>
+		<member name="mono/profiler/enabled" type="bool" setter="" getter="" default="false">
+		</member>
+		<member name="mono/runtime/unhandled_exception_policy" type="int" setter="" getter="" default="0">
+			The policy to use for unhandled Mono (C#) exceptions. The default "Terminate Application" exits the project as soon as an unhandled exception is thrown. "Log Error" logs an error message to the console instead, and will not interrupt the project execution when an unhandled exception is thrown.
+			[b]Note:[/b] The unhandled exception policy is always set to "Log Error" in the editor, which also includes C# [code]tool[/code] scripts running within the editor as well as editor plugin code.
+		</member>
 		<member name="network/limits/debugger_stdout/max_chars_per_second" type="int" setter="" getter="" default="2048">
 			Maximum amount of characters allowed to send as output from the debugger. Over this value, content is dropped. This helps not to stall the debugger connection.
 		</member>
diff --git a/main/main.cpp b/main/main.cpp
index 26fe2ecc4f..41c20813fc 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -1613,6 +1613,19 @@ bool Main::start() {
 			DirAccessRef da = DirAccess::open(doc_tool_path);
 			ERR_FAIL_COND_V_MSG(!da, false, "Argument supplied to --doctool must be a valid directory path.");
 		}
+
+#ifndef MODULE_MONO_ENABLED
+		// Hack to define Mono-specific project settings even on non-Mono builds,
+		// so that we don't lose their descriptions and default values in DocData.
+		// Default values should be synced with mono_gd/gd_mono.cpp.
+		GLOBAL_DEF("mono/debugger_agent/port", 23685);
+		GLOBAL_DEF("mono/debugger_agent/wait_for_debugger", false);
+		GLOBAL_DEF("mono/debugger_agent/wait_timeout", 3000);
+		GLOBAL_DEF("mono/profiler/args", "log:calls,alloc,sample,output=output.mlpd");
+		GLOBAL_DEF("mono/profiler/enabled", false);
+		GLOBAL_DEF("mono/runtime/unhandled_exception_policy", 0);
+#endif
+
 		DocData doc;
 		doc.generate(doc_base);
 
diff --git a/modules/mono/mono_gd/gd_mono.cpp b/modules/mono/mono_gd/gd_mono.cpp
index 2bc6952908..86770389c4 100644
--- a/modules/mono/mono_gd/gd_mono.cpp
+++ b/modules/mono/mono_gd/gd_mono.cpp
@@ -499,7 +499,7 @@ void GDMono::_init_godot_api_hashes() {
 }
 
 void GDMono::_init_exception_policy() {
-	PropertyInfo exc_policy_prop = PropertyInfo(Variant::INT, "mono/unhandled_exception_policy", PROPERTY_HINT_ENUM,
+	PropertyInfo exc_policy_prop = PropertyInfo(Variant::INT, "mono/runtime/unhandled_exception_policy", PROPERTY_HINT_ENUM,
 			vformat("Terminate Application:%s,Log Error:%s", (int)POLICY_TERMINATE_APP, (int)POLICY_LOG_ERROR));
 	unhandled_exception_policy = (UnhandledExceptionPolicy)(int)GLOBAL_DEF(exc_policy_prop.name, (int)POLICY_TERMINATE_APP);
 	ProjectSettings::get_singleton()->set_custom_property_info(exc_policy_prop.name, exc_policy_prop);