Balancing

• Wave defense difficulty will scale with online player count.
• Wave defense hard difficulty will give 50% less bounty on each kill.

Sounds

• New sound for small explosion.
• Combat robots now have their own explosion sound.
• Shotgun has more variety so it sounds less repetitive.
• Vehicle impacting wooden objects (e.g chests) now sounds subtly different to crashing into trees.
• A few minor volume level changes including lowering the offshore pump and electric furnace.

Bugfixes

• Fixed a crash when saving fails due to mod issues. more
• Fixed a crash that would happen when the player entered a vehicle when some biters were aggroed at them. more
• Fixed that cargo wagons built while a train is moving didn't animate the doors correctly. more
• Fixed an error when using modded night vision defined in zip files. more
• Fixed a performance issue with assembling machine result slot tooltips. more
• Fixed that items marked with the mod-openable flag couldn't be opened from the quickbar in some cases. more
• Fixed that train could fail with chain signal sequence escape maneuver when path goes multiple times through a rail segment.
• Possibly fixed seam on terrain at certain position and zoom level. more
• Fixed that sometimes wave defense would trigger victory before killing all spawners. more

Scripting

• Fixed that writing to LuaForce::stack_inserter_capacity_bonus was limited to 200 instead of 254.

Modding

• Changed definitions of map colors of beacons, pipes, heat pipes, roboports and steam engines, so they can be overridden by friendly_map_color. more
• Added ParticlePrototype::ended_on_ground_trigger_effect.
• Added fuel burnt results to the item tooltip.
• Loader remnants will pick rotation the same way as underground belts do. 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.