Changes

• Crafting machines will now refund item ingredients when crafting is cancelled before finishing.
• Disallowed saving over autosave files or making saves that begin with '_autosave'.

Bugfixes

• Fix tutorial description only mentioning 3 levels instead of the full 5. more

Modding

• Changed default value of return_ingredients_on_change property of furnaces, assembling machines and rocket silo to 'true'.
• Added script_raised_set_tiles.
• Added by_player to LuaEntity::copy_settings()
• Added by_player to LuaEquipmentGrid::take, take_all, clear, and put.

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