Releases on April 6th, 2021 and before

dockerhub
hotio/overseerr on Docker Hub nightly-4c23279-542-linux-amd64
dockerhub
tomcat on Docker Hub 8-jdk15-corretto
github
Azure/azure-sdk-for-java on GitHub azure-cosmos-encryption_1.0.0-beta.1 azure-analytics-synapse-spark_1.0.0-beta.3 azure-analytics-synapse-monitoring_1.0.0-beta.3
dockerhub
xwiki on Docker Hub 12.6.8-postgres-tomcat
github
Azure/azure-sdk-for-java on GitHub azure-analytics-synapse-accesscontrol_1.0.0-beta.3 azure-analytics-synapse-managedprivateendpoints_1.0.0-beta.3
dockerhub
xwiki on Docker Hub 12.6-postgres-tomcat
dockerhub
minio/minio on Docker Hub RELEASE.2021-04-06T23-11-00Z
dockerhub
tomcat on Docker Hub jdk15-openjdk-oraclelinux7
github
apache/airflow on GitHub providers-trino/1.0.0rc1 providers-trino/1.0.0 providers-ssh/1.3.0rc1 providers-ssh/1.3.0 providers-snowflake/1.2.0rc1 providers-snowflake/1.2.0 providers-singularity/1.1.0rc1 providers-singularity/1.1.0 providers-salesforce/2.0.0rc2 providers-salesforce/2.0.0 providers-oracle/1.1.0rc1 providers-oracle/1.1.0 providers-opsgenie/1.0.2rc1 providers-opsgenie/1.0.2 providers-mysql/1.1.0rc1 providers-mysql/1.1.0 providers-microsoft-winrm/1.1.0rc1 providers-microsoft-winrm/1.1.0 providers-microsoft-azure/1.3.0rc1
Maybe you can find something interesting in this list