Bugfixes

• Fixed a script error in the NPE while using demo. more
• Fixed that reading LuaGuiElement::elem_type would always error. more
• Fixed a crash related to modded fluid energy sources. more
• Fixed corrupted alt-mode icons on low zoom levels on macOS. more

Use the automatic updater if you can (check experimental updates in other settings) or download full installation at http://www.factorio.com/download/experimental.