OpenBVE, a free and open source train driving simulator, has been released in version 1.14.1.4.

The update brings three bugfixes around transponders and the detection of HKHOS content.

• Fix: Check that the section attached to a transponder is valid when updating.
• Fix: Improve check for invalid section on orphaned transponders.
• Fix: More HKHOS content incorrectly detected as Hmmsim.

Source: GitHub