RHEL 8.4 comes with Container Tools 3.0 AppStream, newer versions of Podman, Buildah, Skopeo and Runc.

Podman now has support in RHEL for automatically updating container images, which allows Podman to probe to see if containers have been updated and extract new images and use systemd to restart them if there is a new image.

RHEL 8.4 comes with Container Tools 3.0 AppStream, newer versions of Podman, Buildah, Skopeo and Runc.

This release also includes the addition of the Red Hat Universal Base Image (UBI) micro-image.

- New AppStreams, including Python 3.9, Redis 6, PostgreSQL 13, MariaDB 10.5 as well as GCC 10, LLVM 11, Rust 1.49 and Go 1.15.7.

- Intel Tiger Lake GPUs are now supported in RHEL 8.4, which includes Intel UHD graphics and Intel Xe integrated GPUs.

- RHEL 8.4 introduces two new system roles. First, a new Reliable Event Logging Protocol (RELP) system role for forwarding or receiving rsyslog log messages with RELP.

- An SSH Client system role has been introduced to help configure RHEL SSH in a consistent and stable manner for SSH servers and clients.