Releases on October 29th, 2021 and before

dockerhub
apache/superset on Docker Hub 8a27c6760d5e00677d3778a0e353051984fcb429-dev 8a27c6760d5e00677d3778a0e353051984fcb429
github
rancher/rke on GitHub v1.3.2-rc2
dockerhub
bitnami/mysql on Docker Hub 5.7.36-debian-10-r11
Maybe you can find something interesting in this list