Releases on September 10th, 2019 and before

github
facebook/hhvm on GitHub nightly-2019.09.11
dockerhub
calico/kube-controllers on Docker Hub v3.9.0-0.dev-50-g648f028-dirty v3.9.0-0.dev-50-g648f028-dirty-ppc64le v3.9.0-0.dev-50-g648f028-dirty-arm64 v3.9.0-0.dev-50-g648f028-dirty-amd64
dockerhub
calico/cni on Docker Hub v3.9.0-0.dev-38-g5213bfb v3.9.0-0.dev-38-g5213bfb-ppc64le v3.9.0-0.dev-38-g5213bfb-arm64 v3.9.0-0.dev-38-g5213bfb-amd64
github
Azure/azure-sdk-for-python on GitHub azure-keyvault-nspkg_1.0.0
nuget
Azure.Storage.Blobs on .NET NuGet 12.0.0-preview.3
github
Azure/azure-sdk-for-java on GitHub azure-messaging-eventhubs-checkpointstore-blob_1.0.0-preview.1
github
Azure/azure-sdk-for-java on GitHub azure-messaging-eventhubs_5.0.0-preview.3
github
AdoptOpenJDK/openjdk8-binaries on GitHub jdk8u-2019-09-10-22-29
Maybe you can find something interesting in this list