Download > Versions


Three Versions of Open Rails

Three versions of Open Rails are readily available to users, as shown below:

For first-time users, we recommend the Stable Version which comes with an installer.


Whichever version you choose, Open Rails has a mechanism to notify you of new versions and to update Open Rails for you. You will find the settings for this mechanism in Menu > Options > Update

Open Rails will check for updates at most once a day. If an update is found, then you can install the update just by clicking on the link in the top, right corner:

Testing Version

If you follow the Open Rails project on the forums, then you will hear about bug-fixes and new features. These are included in the Unstable Version for developers and testers to try out. Once they have been checked and approved, they are published (on Friday) as the latest Testing Version. Any user can easily update to the current weekly Testing Version and benefit from these improvements.

Recent Code Changes

  • T1.5.1-271-g58e67675d Merge pull request #773 from Roeterdink/WatchdogPingTrainProcessing
    Add watchdog ping to Train Processing
    • 4543e4b5 Add watchdog ping to Train Processing
  • T1.5.1-269-g01607fd93 Merge pull request #766 from peternewell/control_car_gear_controller
    Control Car additional functionality
    • f1759ded Add documentation
    • c9657def Add warning message for type C gearboxes
    • 3d5d238b Correct issues with gear controls not being passed to other locomotives
    • f143fcc0 Correct gear operation from Control Car
    • 6d522992 Add ability to control vacuum brakes and gears to Control Car

See more code changes

The current Testing Version can also be downloaded as a Zip archive:


03 February 2023, 91MB

Note: Multiple versions of Open Rails will not interfere if they are saved to different folders.

Unstable Version

To support development, the latest unstable version is also available. This is updated whenever developers submit a change for consideration. This and previous unstable versions are available as a change log and individual downloads. The unstable versions are more likely to contain serious bugs and are only recommended for users wishing to help with Open Rails development.


Improvements to Open Rails are drawn from several public sources as shown here:

We try to make sure that these changes all work and fit together by reviews as marked in orange in the diagram.