| [railML3] Request for feedback on changes of our deprecation policy [message #3312] |
Wed, 04 September 2024 09:36  |
Vasco Paul Kolmorgen
Messages: 60
Registered: November 2004
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Dear all,
Following an issue [1] and presentation at the conference [2] railML.org
is to change a deprecation policy for railML3. Please answer if you have
anything against or anything is missing.
Current state: In order to remove an element or attribute we currently
need an intermediate minor version of railML where we deprecate this
atttribute or element.
railML's suggestion:
• Changes from one minor version to the next will be allowed without a
deprecation phase. This allows changes that cannot have a deprecation
phase, such as:
o Renaming elements, attributes or enumeration values
o Changing the minOccurs or maxOccurs of an element
o Changing the use of an attribute (optional or mandatory)
o Changing between xs:sequence, xs:choice and xs:all
• Remodelling may also be done without including both the old and new
implementation in the new version, reducing the complexity.
• Removals that are not replaced by something new may still have a
deprecation phase.
[1] https://development.railml.org/railml/version3/-/issues/535
[2]
https://download.railml.org/events/conferences/railml_45th_v irtual/2024-06-06_railml-nygreen_common.pdf
Sincerely,
--
Vasco Paul Kolmorgen - Governance Coordinator
railML.org (Registry of Associations: VR 5750)
Phone railML.org: +49 351 47582911
Altplauen 19h; 01187 Dresden; Germany
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