[openstreetmap/openstreetmap-website] Show tag changes in object history view (PR #6448)

Minh Nguyễn notifications at github.com
Tue Nov 18 02:30:41 UTC 2025


1ec5 left a comment (openstreetmap/openstreetmap-website#6448)

> By "more structured design" do you mean the +/- indicators? And if so, can you explain what is it that makes it more effective at highlighting subtle changes? I'm not sure I follow.

Because the value cells are left-aligned (or right-aligned in a right-to-left environment), showing the new value under the old value can help the user to spot any minor changes just from the characters being misaligned between the two cells. For example, [this relation](https://www.openstreetmap.org/relation/18322858/history/10)’s fairly long `description=*` is edited to replace “shift” with a naughty word one letter shorter, then showing the full new value under the full old value would make that change more apparent. But showing both the old and new values together on one line in their entirety, separated by a →, would make it more difficult to spot that one-letter change. In the future, an inline diff word by word would also make the change apparent, so we could go back to combining the old and new values in a single cell.

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