Features

Added new environmental trigger effects for grenade, artillery and nuke explosions. (https://www.factorio.com/blog/post/fff-343)
Added 3 level 'First steps' tutorial Campaign. (https://www.factorio.com/blog/post/fff-342)
Mini-tutorial improvements.

Changes

Moved Compilatron and Compilatron speech-bubble entities from demo to base game files.
Removed Introduction Campaign.
Removed Compilatron chest, Compilatron roboport, Compilatron logistic chest.
Removed Tutorial/Campaign Lualib (base/lualib).
Removed other campaign-only prototypes, such as styles, sprites, sounds.

Fixed that thumbnails wouldn't show in the update-mods tab of the mods GUI. more
Fixed that LuaSurface::spill_item_stacks return value didn't work correctly. more
Fixed that the research progress of the current tier showed for next queued tier in the technology GUI. more
Fixed that the game didn't validate modded rail-planner item type values and would crash in some cases. more
Fixed that modded units with consider-tile-transitions in their collision mask would cause the pathfinder to crash. more

Empty layers in sprite or animation definition will yield an error now. more
Added support for playing a sound when using smart-pipette.
Added support for playing activate/deactivate sounds for night vision.
Added support for playing a sound while an resource-style is being mined through mining_sound.
Added mod-setting value "hidden" to hide mod settings from the GUI.
Added 'invoke-tile-trigger' and 'destroy-decoratives' trigger effects.
Added 'rotate-offsets' to the create-particle trigger effect.
Added 'trigger_effect' to tiles. It is called with the 'invoke-tile-trigger' trigger effect.
Added 'trigger_effect' to decoratives. It is called when the decorative is destroyed with the 'destroy-decorative' trigger effect.

Added on_pre_script_inventory_resized and on_script_inventory_resized events.
Added 'allow_paths_through_own_entities' and 'no_break' path finding flags.
Added LuaModSettingPrototype::hidden read.
Added 'to_be_deconstructed' to the options for LuaSurface::find_entities_filtered. more
Added LuaGuiElement::badge_text read/write.

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