update_right_now_message
Displays WordPress version and active theme in the ‘At a Glance’ dashboard widget.
update_nag
core_update_footer
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find_core_update
Finds the available update for WordPress core.
undismiss_core_update
Undismisses core update.
dismiss_core_update
Dismisses core update.
get_core_checksums
Gets and caches the checksums for the given version of WordPress.
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find_core_auto_update
Gets the best available (and enabled) Auto-Update for WordPress core.
get_core_updates
Gets available core updates.
get_preferred_from_update_core
Selects the first update version from the update_core option.
_upgrade_422_remove_genericons
Cleans up Genericons example files.
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_redirect_to_about_wordpress
Redirect to the About WordPress page after a successful upgrade.
update_core
Upgrades the core of WordPress.
wp_can_install_language_pack
Check if WordPress has access to the filesystem without asking for credentials.