CentOS 4.4 has been released for i386 and x86_64:

The CentOS development team is pleased to announce the release of CentOS 4.4 for i386 and x86_64.

It is available on all CentOS.org mirrors and via bittorrent.

This release corresponds to the upstream vendor U4 release together with updates through August 26th, 2006.

The LiveCD version (1 cdrom) is available for i386.

The work for the i386 and x86_64 ServerCDs and all other arches is in progress.

If you are currently using another version CentOS-4, using this command will upgrade you to CentOS-4.4:

yum update

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Major changes for this version are:

Mozilla has been replaced by Seamonkey, Ethereal has been replaced by Wireshark. Firefox and Thunderbird have moved from the 1.0.x to 1.5.x versions. Openoffice.org has moved from the 1.1.2-x to the 1.1.5-x version.

Please see the CentOS specific release notes here:
http://mirror.centos.org/centos/4.4/os/i386/RELEASE-NOTES-en.html

and the detailed release notes here:
http://www.centos.org/docs/4/
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All previous released CentOS versions are available at:
http://vault.centos.org
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To stay current with CentOS:

Visit our website at http://www.centos.org

Join the CentOS mailing list at:
http://lists.centos.org/mailman/listinfo/centos

Join various team members on IRC at irc.freenode.net #centos
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Note: It may take a couple days for some of the external mirrors to catch up.
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Enjoy,

The CentOS Development Team