Merge branch 'master' into jgrpp

# Conflicts:
#	.github/workflows/ci-build.yml
#	.github/workflows/release-linux.yml
#	.github/workflows/release-macos.yml
#	.github/workflows/release-source.yml
#	.github/workflows/release.yml
#	CMakeLists.txt
#	COMPILING.md
#	src/ai/ai_core.cpp
#	src/ai/ai_gui.cpp
#	src/bridge_gui.cpp
#	src/company_gui.cpp
#	src/console_cmds.cpp
#	src/core/CMakeLists.txt
#	src/core/smallmap_type.hpp
#	src/disaster_vehicle.h
#	src/effectvehicle_base.h
#	src/fontcache.cpp
#	src/game/game_core.cpp
#	src/game/game_gui.cpp
#	src/gamelog.cpp
#	src/gamelog_internal.h
#	src/group_gui.cpp
#	src/linkgraph/linkgraph.h
#	src/misc.cpp
#	src/network/core/config.h
#	src/network/core/udp.cpp
#	src/network/network_chat_gui.cpp
#	src/network/network_content_gui.cpp
#	src/network/network_gui.cpp
#	src/newgrf.cpp
#	src/newgrf_gui.cpp
#	src/newgrf_profiling.cpp
#	src/newgrf_profiling.h
#	src/object_gui.cpp
#	src/openttd.cpp
#	src/openttd.h
#	src/order_gui.cpp
#	src/os/windows/font_win32.cpp
#	src/rail_gui.cpp
#	src/road.cpp
#	src/road_gui.cpp
#	src/saveload/afterload.cpp
#	src/saveload/saveload.h
#	src/script/api/script_controller.cpp
#	src/script/api/script_roadtypelist.cpp
#	src/script/script_config.cpp
#	src/script/script_config.hpp
#	src/script/script_instance.cpp
#	src/script/script_scanner.cpp
#	src/script/squirrel.cpp
#	src/script/squirrel_helper.hpp
#	src/settings_gui.cpp
#	src/settings_internal.h
#	src/settings_type.h
#	src/table/settings/network_private_settings.ini
#	src/timetable_gui.cpp
#	src/vehicle.cpp
#	src/vehicle_base.h
#	src/window_gui.h

src/ai/ai_instance.cpp

@@ -69,7 +69,7 @@ void AIInstance::Died()
 	if (info != nullptr) {
 		ShowErrorMessage(STR_ERROR_AI_PLEASE_REPORT_CRASH, INVALID_STRING_ID, WL_WARNING);
 
-		if (info->GetURL() != nullptr) {
+		if (!info->GetURL().empty()) {
 			ScriptLog::Info("Please report the error to the following URL:");
 			ScriptLog::Info(info->GetURL());
 		}
@@ -82,12 +82,12 @@ void AIInstance::LoadDummyScript()
 	Script_CreateDummy(this->engine->GetVM(), STR_ERROR_AI_NO_AI_FOUND, "AI");
 }
 
-int AIInstance::GetSetting(const char *name)
+int AIInstance::GetSetting(const std::string &name)
 {
 	return AIConfig::GetConfig(_current_company)->GetSetting(name);
 }
 
-ScriptInfo *AIInstance::FindLibrary(const char *library, int version)
+ScriptInfo *AIInstance::FindLibrary(const std::string &library, int version)
 {
 	return (ScriptInfo *)AI::FindLibrary(library, version);
 }