Bugfixes

• Fixed a crash when entering bad number values in some input fields. more[forums.factorio.com]
  
• Fixed a crash when removing an item that is being used to hand craft a recipe while also changing the recipe to take fluid ingredients.
  
• Fixed a crash when defining a recipe that takes zero fluid as the first ingredient.
  
• Fixed cloning a furnace would not preserve previous recipe id.
  
• Fixed that selecting a locale would sometimes reset the setting back to "Default"
  
• Fixed that choose-elem-button equipment tooltips were missing the equipment name and description.
  
• Fixed being unable to focus search in the train overview GUI with Control + F when a mod attaches a relative GUI element to it.
  
• Fixed a crash when item stack of item-on-ground becomes empty because of scripted stack transfer. more[forums.factorio.com]
  

Modding

• Fluid ingredient amounts must be larger than zero.
  
• TransportBeltConnectables cannot be given given "building-direction-8-way" flag.
  

Scripting

• Added LuaGuiElement::elem_tooltip read/write.
  
• Added LuaEntityPrototype::boiler_mode read.
  
• Added LuaGameScript::request_train_path.