Changes

• Disabling station with train waiting in it doesn't force the train to departure anymore so it works as it worked in 0.16. It looked like a useful change for 0.17, but we can control train conditions by circuit network and there are some nice and simple use cases were ruined by trains being forced to departure when the stop is disabled. more
• Changed expensive version of assembling machine 2 recipe to match the normal version better. more

Minor Features

• Added map editor support to delete items.

Bugfixes

• Fixed pipette making error sound in latency state even though you have enough items. more
• Fixed that technologies would sometimes disappear from the technology list when added to the research queue. more
• Fixed problems related to circuit network connection inconsistency related to undo. more
• Fixed NPE issue where Compilatron could destroy essential buildings. more
• Fixed NPE crash when Compilatron tells you to pick up scrap. more
• Fixed that he bonus GUI wouldn't show personal equipment. more
• Fixed using special-item tags would cause desyncs. more
• Fixed NPE crash when Compilatron tries to point at an object that doesn't exist any more. more
• Fixed Local errors in scenarios would crash the game when viewing scenarios in the GUI. more
• Fixed that reviving and underground belt could sometimes change it's direction. more
• Fixed a crash when using modded recipes in furnaces with fluids. more
• Fixed that the active-version selector in the mods GUI didn't work. more
• Fixed that randomizing map seed didn't have any effect after an exchange string was loaded. more
• Fixed that resources wouldn't be rendered correctly in the map preview. more
• Fixed miscalculation of peak influence in autoplace specifications with more than 2 peaks. more
• Layouting fix related to technology gui. more
• Fixed crash when running out of space in physical texture used for streaming. High detail textures will be evicted instead. more
• Fixed that mod settings could get scrambled/reset when adding removing or changing mods. more
• Fixed that you could open blueprint books/armor multiple times. more
• Fixed that the train inactivity wait condition time was limited to 120 seconds. more
• Fixed a crash when exiting the game through the "X" button from a tutorial. more
• Fixed the shadows of some GUIs when circuit network window is shown. more
• Fixed menu background image would be scaled with poor quality. more
• Fixed crash related to beam creation when the source or target is removed in the process. more
• Fixed a hand logic related to loading a save with different mod settings which results in to the cursor being item removed.
• Fixed being unable to clear "X"(missing blueprint) icon from the quickbar. more
• Fixed that train two stations of the same name in the train schedule could crash the game. more
• Fixed consistency check for signal state of train on the way. more
• Fixed issues with pipes disconnected w/o reason. Added stricter checks for new occurrences. more

Scripting

• Added LuaSurface::min_brightness read/write.
• Added LuaEntity::get_connected_rails(), get_rail_segment_entity(), get_rail_segment_end(), get_rail_segment_length(), and get_rail_segment_overlaps().

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