Releases on June 7th, 2020 and before

dockerhub
jc21/nginx-proxy-manager on Docker Hub github-dependabot-npm_and_yarn-docs-websocket-extensions-0.1.4
dockerhub
requarks/wiki on Docker Hub canary-2.5.7
github
JetBrains/kotlin on GitHub build-1.4.20-dev-220
packagist
cakephp/cakephp on PHP Packagist dev-issue-14675-port
dockerhub
requarks/wiki on Docker Hub canary-2.5.6
github
SickChill/SickChill on GitHub v2020.06.07-4
npm
firebase on Node.js NPM 7.15.0-canary.df36a245
dockerhub
linuxserver/radarr on Docker Hub 3.0.0.3045-ls10 arm64v8-3.0.0.3045-ls10 arm32v7-3.0.0.3045-ls10 amd64-3.0.0.3045-ls10
dockerhub
bitnami/postgresql on Docker Hub 11.8.0-debian-10-r23
github
JetBrains/kotlin on GitHub build-1.4-M3-eap-16
dockerhub
hotio/radarr on Docker Hub aphrodite-3.0.0.3045 aphrodite-6008a29 aphrodite-6008a29-968-linux-arm64 aphrodite-6008a29-968-linux-arm aphrodite-6008a29-968-linux-amd64
dockerhub
bitwardenrs/server on Docker Hub 1.15.1-raspberry
dockerhub
requarks/wiki on Docker Hub canary-2.5.5
github
openshift/service-catalog on GitHub atomic-enterprise-service-catalog-4.3.25-202006072118
dockerhub
hotio/radarr on Docker Hub pr-7286a3e-967-linux-arm64
Maybe you can find something interesting in this list