Hello,

When editing, please try not to delete the original object only to remap it from scratch. Since you are using JOSM, you can install the plugin named "utilsplugin2" (see Edit>Preferences>Plugins), and then use the "Replace Geometry" tool. With that, you can move the original house out of the way, draw the new shape, select both the old and new shape, and then press Ctrl+Shift+G. That will keep the history of the old house while also allowing you to make a new shape.
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            Published using OSMCha: https://osmcha.org/changesets/162957473
            