Releases on March 30th, 2021 and before

dockerhub
hotio/radarr on Docker Hub pr-9c90a60 pr-disk-size-ondelete-3.1.0.4830 pr-9c90a60-1355-linux-arm-v7
dockerhub
hotio/radarr on Docker Hub pr-9c90a60-1355-linux-arm64 pr-9c90a60-1355-linux-amd64
dockerhub
debian on Docker Hub unstable-20210329-slim unstable-20210329 testing-20210329-slim testing-20210329 stretch-20210329-slim stretch-20210329 stable-20210329-slim stable-20210329 sid-20210329-slim sid-20210329 rc-buggy-20210329 oldstable-20210329-slim oldstable-20210329 experimental-20210329
dockerhub
debian on Docker Hub buster-20210329-slim buster-20210329
packagist
facade/ignition on PHP Packagist dev-dependabot/npm_and_yarn/y18n-4.0.1
dockerhub
debian on Docker Hub bullseye-20210329-slim bullseye-20210329
github
Azure/azure-sdk-for-js on GitHub @azure/core-rest-pipeline_1.0.3
Maybe you can find something interesting in this list