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/alch-emi/elm-kdl.

What we checked: The repo moved to github.com/alch-emi/elm-kdl. Rebuilt with git archive from commit 526e0e2058e6 of https://github.com/alch-emi/elm-kdl (zip prefix Alch-Emi-elm-kdl-e89d755/, America/Los_Angeles times): the zip is byte-identical to the one package.elm-lang.org recorded, SHA-1 99c0c384852903c9bf261ca18292969f62f83dc9.

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/Alch-Emi/elm-kdl/zipball/1.0.0/