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@@ -11,17 +11,23 @@
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It is a Linux distribution built by Red Hat Enterprise Linux (RHEL) engineers,
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and is used as the major version branch that RHEL minor versions are created from.
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It has roughly a five year lifecycle and will be maintained until 2030.
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- The exact date will be contingent on the end of the Full Support phase of RHEL 10.
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+ The exact date will be contingent on the end of the
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+ [Full Support phase of RHEL 10](https://access.redhat.com/support/policy/updates/errata).
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## Architectures
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- CentOS Stream 10 uses the Linux 6.12 kernel,
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- which provides support for the following architectures.
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+ * AMD/Intel 64-bit (x86\_64\_v3)
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+ * ARM 64-bit (ARMv8.0-A)
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+ * IBM Power (POWER9)
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+ * IBM Z (z14)
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- * x86\_64 (v3)
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- * aarch64
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- * ppc64le (power9)
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- * s390x (z14)
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+ These architecture build targeting a specific level of processor capabilities.
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+ Targeting newer levels enables desirable optimizations,
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+ but also sets the minimum hardware requirement.
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+ You can check what levels your CPU supports by running `ld.so --help`.
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+
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+ A notable change in this release is that the AMD/Intel 64-bit build now targets the
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+ [v3 microarchitecture level](https://developers.redhat.com/articles/2024/01/02/exploring-x86-64-v3-red-hat-enterprise-linux-10).
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## Repositories
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@@ -32,11 +38,18 @@
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### BaseOS
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Packages in the BaseOS repository are intended to provide the core set of operating system functionality.
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+ These packages are maintained for the full lifecycle of the operating system.
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### AppStream
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Packages in the AppStream repository include additional user-space applications, runtime languages, and databases
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to accomodate various workloads and use cases.
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+ Many of these packages are maintained for the full lifecycle of the operating system,
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+ but some have shorter independent lifecycles.
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+ The specific lifecycle dates will be determined by the corresponding
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+ [Application Stream](https://access.redhat.com/support/policy/updates/rhel-app-streams-life-cycle)
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+ in RHEL 10.
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+ Optional alternative versions of select software are expected to be added over time.
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### CRB
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@@ -46,6 +59,10 @@
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CentOS Stream 10 includes several notable new features and enhancements.
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+ ### Kernel
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+
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+ * Linux kernel 6.12
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+
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### Programming languages and compilers
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* Python 3.12
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@@ -75,6 +92,15 @@
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* GNOME 47
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* Qt 6.7
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+ ### Software management
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+
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+ * DNF 4.20
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+ * RPM 4.19
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+
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+ Earlier versions of CentOS Stream utilized a technology called modularity
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+ to provide optional alternative versions of select software.
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+ CentOS Stream 10 will instead use traditional non-modular RPM packages for this purpose.
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+
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## Removed functionality
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CentOS Stream 10 does not include some packages that were previously included in CentOS Stream 9.
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carlwgeorge
commented 9 days ago
Elaborate a bit on architecture levels, appstream lifecycles, and the lack of modularity.