Releases on December 17th, 2020 and before

dockerhub
minio/minio on Docker Hub 11128-666c19b
github
keymanapp/keyman on GitHub release-14.0.212-beta
dockerhub
parity/polkadot on Docker Hub master-0.8.27-c58edaf-aba3edea
github
k3s-io/k3s on GitHub v1.19.5-rc1+k3s2
github
clementine-player/Clementine on GitHub 1.4.0rc1-386-gbbb6a773f
dockerhub
traefik on Docker Hub v2.3.6-windowsservercore-1809 2.3.6-windowsservercore-1809
dockerhub
linuxserver/pyload on Docker Hub version-44e6a3ef 44e6a3ef-ls25 arm64v8-version-44e6a3ef arm32v7-version-44e6a3ef amd64-version-44e6a3ef arm64v8-44e6a3ef-ls25 arm32v7-44e6a3ef-ls25
dockerhub
linuxserver/pyload on Docker Hub amd64-44e6a3ef-ls25
Maybe you can find something interesting in this list