You can get experimental releases by selecting the 'experimental' beta branch under Factorio's properties in Steam.
- Fixed function of enter key in number input. more[forums.factorio.com]
- Fixed consistency check and migration related to rail internal inconsistency. more[forums.factorio.com]
- Fixed that rail signals weren't fast replaceable.
- Fixed that the headless server wouldn't be able to restart for a while if it was stopped with an RCON client connected. more[forums.factorio.com]
- Fixed that selecting map without a preview in the save/load dialog disallowed to delete the save by the ingame delete button.
- Fixed wrong calculation of item insertion into splitter in some cases, which could indirectly cause inconsistency in behaviour. more[forums.factorio.com]
- Fixed the game could freeze when system time changed on Windows. more[forums.factorio.com]
- Localised zip opening/closing error messages + added reason or error code there.