Rerouted (renamed, verified). The GitHub user or repository was renamed. The tag is still there, at the new name. The Lamdera package server serves a copy recovered from https://github.com/microsoft/elm-json-tree-view.
What we checked: The repo moved to github.com/microsoft/elm-json-tree-view. Rebuilt with git archive from commit 95c10e27b036 of https://github.com/microsoft/elm-json-tree-view (zip prefix Microsoft-elm-json-tree-view-95c10e2/, America/Los_Angeles times): the zip is byte-identical to the one package.elm-lang.org recorded, SHA-1 6e84a645c3c871ea742506eb1c9352c2a1b04b18.
The Lamdera compiler uses this copy and prints a one-line notice saying so. elm itself fails to download this version.
Details · package.elm-lang.org's zip: https://github.com/Microsoft/elm-json-tree-view/zipball/2.0.0/
Shows JSON data as an expandable HTML tree
elm install Microsoft/elm-json-tree-viewPublished on 26 Aug 2018 under the MIT license.
Elm version 0.19.0 <= v < 0.20.0
| elm-explorations/test | 1.0.0 <= v < 2.0.0 |
Rerouted (renamed, verified): the zip served is the recovered copy, SHA-1 6e84a645c3c871ea742506eb1c9352c2a1b04b18.
Files: elm.json · docs.json · endpoint.json · README.md · releases.json