At the red hat summit held last week, red hat announced that rhel9 stable version will be officially released in the coming weeks. However, users do not need to wait such a long time , because Red Hat Enterprise Linux 9.0 has been officially provided to red hat customers today, which is based on rhel9 beta released at the end of last year.
Red Hat Enterprise Linux 9 comes with a number of updated software components and is derived from CentOS stream. In terms of version, rhel9 takes GCC 11 as the default system compiler. Other components include Python 3.9, RPM 4.16, PHP 8.0, updated llvm / rust / go compiler, OpenSSL 3, ruby 3.0, etc. RHEL 9.0 uses the Linux 5.14 kernel, although there are various kernel post ports.
Red Hat Enterprise Linux 9 also brings SELinux improvements, virtualization enhancements, new container / cloud capabilities, RPM zstd compressed packages, more secure system wide encryption policies, and more inclusive terminology / language for packages like nmstate.