Changes

The argument to --generate-map-preview is treated as a directory only if it ends with a '/' or '\'.
Car/tank color keeps the color of the last user.

Bugfixes

Fixed that the technology GUI could freeze on certain technologies. more
Fixed a crash when trying to build train ghosts not on rails. more
Fixed a crash related to changing the logistic mode on an infinity-chest type entity through mods. more
Fixed low readability tag color highlighting in textboxes. more
Fixed Korean IME still did not work (Windows only). more
Fixed statistics graphs X axis labels showing wrong values for 250h and 1000h time frames. more
Fixed that the wrong entry could be highlighted in the electric network graph. more
Fixed that picking up an item from quickbar wouldn't reserve the slot with an inventory hand when the inventory was full. more
Fixed robot energy consumption when using very high speed bonuses. more
Fixed a false-positive changed message in the mods GUI under specific situations. more
Fixed icons inside blueprint book items not being scaled properly.
Fixed that delimit-procedure noise expressions at the root of an expression tree would crash the compiler.

Added util.combine_icons(icons1, icons2, inputs) function to aid in combining icons tables.
Changed the auto_barrel recipe icon generation to account for fluids with an icon_size not set to 32, or fluids with an icons table. more

Added LuaNamedNoiseExpression and LuaGameScript::named_noise_expressions read.
Added LuaEntity::tree_stage_index read/write.
Added LuaEntity::tree_stage_index_max and tree_color_index_max read.
Added "player_index" to the on_rocket_launch_ordered and on_rocket_launched events.

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