Graphics

• New high resolution icons for all items.
• New sprites for some equipment grid items.

Gui

• Logistic chests have a different layout.
• Visual improvements to the equipment grid.
• Minor visual improvements to most of the game GUIs.
• Minor layout changes to GUI of Combinators, Programmable speaker, Circuit and logistic connection windows, Rocket silo.
• Added a close button to most game windows.

Sounds

• New sounds for GUI interactions.
• New sounds for game interactions, such as pipette, rotate entity, build ghost, mine ghost, switching gun.
• Updating working sounds for many entities, such as substation, roboport, combinator.
• New working sound for rocket silo.
• New sound for night vision equipment, discharge defense equipment.
• New tile build sounds for landfill, concrete, stone bricks and refined concrete.

Changes

• Increased logistic filter count for requester and buffer chests from 12 to 30.

Scripting

• Changed script.raise_event() to only allow mod-created events and specific game events.
• Changed script.raise_event() to validate all required fields are provided for the given event being raised.
• Added event filters for script raised revive, destroy, and created events.
• Changed event erroring so errors during raise_event are properly blamed on the mod erroring.
• Changed raise_event ordering to match standard event ordering.
• All game events that support filters now filter correctly regardless of how they're raised (raise_event or actual game event).

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