Releases on April 19th, 2021 and before

github
ampproject/amphtml on GitHub 2104192358000
npm
@sveltejs/kit on Node.js NPM 1.0.0-next.84
github
rancher/rke2 on GitHub v1.18.18-rc1+rke2r1
github
jitsi/jitsi-meet on GitHub jitsi-meet_5792
github
rancher/ui on GitHub v2.5.8-rc6
npm
fomantic-ui on Node.js NPM 2.8.8-beta.220
dockerhub
ryansch/unifi-rpi on Docker Hub 6.2.19 6.2.19-arm64v8 6.2.19-arm32v7 6.2.19-amd64
npm
aws-amplify on Node.js NPM 3.3.28-unstable.1
Maybe you can find something interesting in this list