Releases on April 12th, 2021 and before

dockerhub
adoptopenjdk/openjdk11 on Docker Hub jdk-11.0.10_9-alpine
github
apache/airflow on GitHub v2.0.0+astro.4
github
facebook/hhvm on GitHub nightly-2021.04.13
packagist
craftcms/cms on PHP Packagist dev-hotfix/focus-style-a11y
github
dashpay/dash on GitHub v0.17.0.0-rc4
github
Azure/azure-sdk-for-python on GitHub azure-template_0.1.0b838468
github
kubernetes-sigs/aws-ebs-csi-driver on GitHub helm-chart-aws-ebs-csi-driver-0.10.1
dockerhub
wordpress on Docker Hub beta-5.7.1-php8.0-fpm beta-5.7.1-php8.0-apache beta-5.7.1-php8.0 beta-5.7.1-php7.4-fpm beta-5.7.1-php7.4-apache beta-5.7.1-php7.4
dockerhub
wordpress on Docker Hub beta-5.7.1-php7.3-fpm beta-5.7.1-php7.3-apache beta-5.7.1-php7.3 beta-5.7.1-fpm beta-5.7.1-apache
dockerhub
wordpress on Docker Hub beta-5.7.1-RC1-php8.0-fpm beta-5.7.1-RC1-php8.0-apache beta-5.7.1-RC1-php8.0 beta-5.7.1-RC1-php7.4-fpm beta-5.7.1-RC1-php7.4-apache
dockerhub
wordpress on Docker Hub beta-5.7.1-RC1-php7.4 beta-5.7.1-RC1-php7.3-fpm
Maybe you can find something interesting in this list