You can read the story behind this project here
$ helm plugin install https://github.com/karuppiah7890/helm-push-all
karuppiah7890/helm-push-all info checking GitHub for tag '0.0.1'
karuppiah7890/helm-push-all info found version: 0.0.1 for 0.0.1/Darwin/x86_64
karuppiah7890/helm-push-all info installed ./bin/helm-push-all
It supports Helm v3