Flatpak, Fedora Silverblue, Toolbox, Wayland, and Pipewire.
Cockpit 250 comes with basic kpatch support, an improved admin switcher, and VM migration.
OpenShift 4.8 brings, among other improvements, an additional OCI-compliant runtime based on Kata Containers, NVIDIA multi-instance GPU, OpenShift Pipelines, IPv6 support, and serverless functions as a technology preview.
rpm-ostree is a hybrid image/package system allowing atomic upgrades/rollbacks.
Virtio-FS is a shared filesystem for letting local virtual machines access host directories.