josm creates new way version in a specific case.. ID does not

[istvanv]

What steps will reproduce the problem?

1. select a ways end node and press "A" to start editing and extend the way by creating a new node
2. split the way into two segments at the previously selected node, resulting: a new way ( the newly drawn extension) the old way ( the original geometry)
3. upload changes

What is the expected result?

when you upload there should only be a newly created version of a node with version 1, and the new way with version 1

What happens instead?

node with version 1
new way with version 1
AND NEW version added to the original geometry ( even though there's no difference before or after the upload)

Please provide any additional information below. Attach a screenshot if possible.

If the same steps are reproduced in ID editor a new version is not created for the original way. as it should be

the steps reproduced in ID editor

the steps reproduced in JOSM

[Bjoeni]

Maybe helpful to better understand OPs screenshots:
​https://www.openstreetmap.org/api/0.6/way/530958407/history (no difference in nodes/order/tags between v1 and v2)
​https://www.openstreetmap.org/api/0.6/changeset/70069649/download (changeset from JOSM screenshot)

[stoecker]

JOSM does not keep the state of an original object, so it is always possible to create steps resulting in the original data, but changed version.

If it disturbs you much, you can before an upload cause a refresh of all objects to upload (first menu - update changed). This will cancel all modifications which have no effect.