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XML Railway exchange format
Latest release: 3.1
(February 19th, 2019)
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This page is intended to inform about the schema changes by topics, that influence the XML output. As it starts as a stub please refer to the railML forum (link to the railML® website) and railML's ticket system (link to the railML® website) too.

Versions & Licences

The development of the early alpha versions started in 2001. Version 1.0, the first version allotted for productive use, was published in 2005. The current railML® version is 2.3, published in March 2016. It is licensed dually free under a restricted form of the Creative Commons licence (external link) CC-BY-NC-ND and (for certified programmes) in free a commercial licence. To learn more about the licence terms see (link to the railML® website).

A detailed version list can be found on (link to the railML® website).

Schema changes in older railML versions / Other information sources

It is not intended to describe changes between minor versions in railML 1 as there are no records from the pre-SVN time. Also changes between the major releases (railML 1 > railML 2 or railML 2 > railML 3) could not described here, as there are to much structural and major changes in railML.

railML schema changes within version 2

The changes between the railML® 2 minor versions are available in the following descriptions:

Please, employ template:change to add etries.

railML schema changes within version 3

Currently only one published version exists (railML®3.1). railML®3.2 is scheduled for 2021.