Releases on March 13th, 2021 and before

dockerhub
bitnami/mariadb on Docker Hub 10.2.37-debian-10-r18
dockerhub
jellyfin/jellyfin on Docker Hub 20210313.20-unstable 20210313.20-unstable-armhf 20210313.20-unstable-arm64 20210313.20-unstable-amd64
dockerhub
hotio/bazarr on Docker Hub nightly-bcf069d nightly-0.9.3-beta.11 nightly-bcf069d-338-linux-amd64 nightly-bcf069d-338-linux-arm-v7 nightly-bcf069d-338-linux-arm64
dockerhub
bitnami/mongodb on Docker Hub 4.0.23-debian-9-r23
dockerhub
bitnami/mariadb on Docker Hub 10.4.18-debian-10-r18
dockerhub
bitnami/external-dns on Docker Hub 0.7.6-debian-10-r52
npm
fomantic-ui on Node.js NPM 2.8.8-beta.183
dockerhub
linuxserver/jellyfin on Docker Hub nightly-version-20210313.18-unstable nightly-20210313.18-unstable-ls375 arm64v8-nightly-version-20210313.18-unstable arm32v7-nightly-version-20210313.18-unstable amd64-nightly-version-20210313.18-unstable arm64v8-nightly-20210313.18-unstable-ls375 arm32v7-nightly-20210313.18-unstable-ls375 amd64-nightly-20210313.18-unstable-ls375
github
apache/airflow on GitHub backport-providers-2021.3.17rc1 backport-providers-2021.3.17
github
morpheus65535/bazarr on GitHub v0.9.3-beta.11
dockerhub
jlesage/handbrake on Docker Hub v1.23.2-debug latest v1.23.2
Maybe you can find something interesting in this list