Version 0.17.55 released

• Fixed that some of the textboxes didn't allow to write characters bound for different actions when focused. more
  
• Fixed a desync related to removing rail signal that merges two rail blocks reserved by different trains into one.
  
• Fixed that the belt-gap-fill logic could replace splitters/underground belts in some cases. more
  

• Added LuaPlayer::connect_to_server().
  

You can get experimental releases by selecting the '0.17.x' beta branch under Factorio's properties in Steam.