I can’t replicate.
$ mkdir /tmp/testdepot # Create an empty depot.
$ JULIA_DEPOT_PATH=/tmp/testdepot julia # Start Julia 1.10.4 like freshly installed.
(@v1.10) pkg> add KiteModels@0.6.3 # Add 0.6.3 to global environment.
julia> using KiteModels # Load it for good measure.
(@v1.10) pkg> activate --temp # Create an empty environment.
(jl_kSO7yU) pkg> add KiteModels # Add KiteModels, installs 0.6.4.
Do you have a startup.jl file?
Does
pkg> activate --temp
pkg> add KiteModels@0.6.4
work and/or give any interesting output?