Bugfixes

• Fixed a crash when maximum-sounds is set below 16, for example by using --disable-audio or on failed audio initialization. more
• Fixed that some effects would sometimes be performed twice in multiplayer when FPS is lower than UPS.
• Fixed LuaSurface::find_entities_filtered would not accept force indexes. more
• Fixed that solar panels on multiple surfaces would all produce electricity based on a daytime of one of the surfaces when they were part of a single electric network with a script created wire between surfaces. more
• Fixed that loaders would spill their items when fast-replaced or upgraded.
• Fixed valid path searches failing because a previously failed path with a wider bounding box was cached. more

Scripting

• Added LuaRendering::use_target_orientation for Sprite, Animation, and Polygon.
• Added on_gui_hover, on_gui_leave.
• Added LuaGuiElement::raise_hover_events 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.