Mention that the Compatibility rendering backend is work-in-progress

editor/project_manager.cpp

@@ -447,7 +447,7 @@ private:
 		} else if (renderer_type == "gl_compatibility") {
 			renderer_info->set_text(
 					String::utf8("•  ") + TTR("Supports desktop, mobile + web platforms.") +
-					String::utf8("\n•  ") + TTR("Least advanced 3D graphics.") +
+					String::utf8("\n•  ") + TTR("Least advanced 3D graphics (currently work-in-progress).") +
 					String::utf8("\n•  ") + TTR("Intended for low-end/older devices.") +
 					String::utf8("\n•  ") + TTR("Uses OpenGL 3 backend (OpenGL 3.3/ES 3.0/WebGL2).") +
 					String::utf8("\n•  ") + TTR("Fastest rendering of simple scenes."));