Support » Installing WordPress » Upgrading from 2.0.x to 3.0 with customized default theme

  • I’m finally preparing to do a long-overdue upgrade of my WordPress. I just read that 3.0’s default theme has changed, so if I’ve customized it, I might have to redo all the customizations. Couldn’t I just install the new files, then replace the relevant .php files with my old modified versions? For example, if 3.0 installs a new “post.php” file as part of the new version of “default theme,” couldn’t I just go back in after the upgrade and replace the new “post.php” with the one I customized?

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  • esmi


    Forum Moderator

    Yes you could. Although WP 3.0 uses a completely different default theme (called TwentyTen), the old default theme (Kubrick) has been updated multiple times since 2.0. So you’d either need to create a new theme from your customised Kubrick theme or re-upload it post-upgrade.

    Would it be better for me to somehow rename and repackage my customized version of the theme as something other than “default” or “kubrick” before re-uploading it? If so, what would that entail?

    Moderator Ipstenu (Mika Epstein)


    🏳️‍🌈 Halfelf Rogue & Plugin Review Team Rep

    1) Rename the folder.
    2) Edit the style.css to the new name.

    Good luck with the upgrade! 3.0 is VERY different from 2.0

    (and remember, always make backups of your database and files before upgrading!)

Viewing 3 replies - 1 through 3 (of 3 total)
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