5 files changed, 18 insertions, 3 deletions
diff --git a/core/command_queue_mt.h b/core/command_queue_mt.h
index 59eabd8786..798fa4394d 100644
--- a/core/command_queue_mt.h
+++ b/core/command_queue_mt.h
@@ -406,8 +406,10 @@ class CommandQueueMT {
 	tryagain:
 
 		// tried to read an empty queue
-		if (read_ptr == write_ptr)
+		if (read_ptr == write_ptr) {
+			if (p_lock) unlock();
 			return false;
+		}
 
 		uint32_t size_ptr = read_ptr;
 		uint32_t size = *(uint32_t *)&command_mem[read_ptr] >> 1;
diff --git a/core/io/file_access_encrypted.cpp b/core/io/file_access_encrypted.cpp
index 3cf6908961..3ff9fa569c 100644
--- a/core/io/file_access_encrypted.cpp
+++ b/core/io/file_access_encrypted.cpp
@@ -100,6 +100,7 @@ Error FileAccessEncrypted::open_and_parse(FileAccess *p_base, const Vector<uint8
 		MD5Update(&md5, (uint8_t *)data.ptr(), data.size());
 		MD5Final(&md5);
 
+		ERR_EXPLAIN("The MD5 sum of the decrypted file does not match the expected value. It could be that the file is corrupt, or that the provided decryption key is invalid.");
 		ERR_FAIL_COND_V(String::md5(md5.digest) != String::md5(md5d), ERR_FILE_CORRUPT);
 
 		file = p_base;
diff --git a/core/io/file_access_network.cpp b/core/io/file_access_network.cpp
index 722e62c54e..2572602e16 100644
--- a/core/io/file_access_network.cpp
+++ b/core/io/file_access_network.cpp
@@ -118,7 +118,10 @@ void FileAccessNetworkClient::_thread_func() {
 		FileAccessNetwork *fa = NULL;
 
 		if (response != FileAccessNetwork::RESPONSE_DATA) {
-			ERR_FAIL_COND(!accesses.has(id));
+			if (!accesses.has(id)) {
+				unlock_mutex();
+				ERR_FAIL_COND(!accesses.has(id));
+			}
 		}
 
 		if (accesses.has(id))
diff --git a/core/print_string.cpp b/core/print_string.cpp
index d91d49f53b..3271744af3 100644
--- a/core/print_string.cpp
+++ b/core/print_string.cpp
@@ -68,8 +68,8 @@ void remove_print_handler(PrintHandlerList *p_handler) {
 	}
 	//OS::get_singleton()->print("print handler list is %p\n",print_handler_list);
 
-	ERR_FAIL_COND(l == NULL);
 	_global_unlock();
+	ERR_FAIL_COND(l == NULL);
 }
 
 void print_line(String p_string) {
diff --git a/core/project_settings.cpp b/core/project_settings.cpp
index c86d1567dd..2fd22d4789 100644
--- a/core/project_settings.cpp
+++ b/core/project_settings.cpp
@@ -1007,6 +1007,15 @@ ProjectSettings::ProjectSettings() {
 	GLOBAL_DEF("audio/default_bus_layout", "res://default_bus_layout.tres");
 	custom_prop_info["audio/default_bus_layout"] = PropertyInfo(Variant::STRING, "audio/default_bus_layout", PROPERTY_HINT_FILE, "*.tres");
 
+	PoolStringArray extensions = PoolStringArray();
+	extensions.push_back("gd");
+	if (Engine::get_singleton()->has_singleton("GodotSharp"))
+		extensions.push_back("cs");
+	extensions.push_back("shader");
+
+	GLOBAL_DEF("editor/search_in_file_extensions", extensions);
+	custom_prop_info["editor/search_in_file_extensions"] = PropertyInfo(Variant::POOL_STRING_ARRAY, "editor/search_in_file_extensions");
+
 	action = Dictionary();
 	action["deadzone"] = Variant(0.5f);
 	events = Array();