To get kindle-dash to work with HTTPS and kindle FW 4.1.1 you need to use the fix for xh here
https://github.com/pascalw/kindle-dash/issues/20
copy ca-certificates.crt from a linux distro /etc/ssl/certs/ca-certificates.crt or use the attached one from my raspberry pi. put it into the folder where the xh binary is and change local/fetch-dashboard.sh:
"$(dirname "$0")/../xh" --verify "$(dirname "$0")/../ca-certificates.crt" -d -q -o "$1" get