update-core-custom_{$action}
Action Hook: Fires for each custom update action on the ClassicPress Updates screen.
Source: wp-admin/update-core.php:1087
update-custom_{$action}
Action Hook: Fires when a custom plugin or theme update request is received.
Source: wp-admin/update.php:394
updated_{$meta_type}_meta
Action Hook: Fires immediately after updating metadata of a specific type.
Source: wp-includes/meta.php:336
updated_option
Action Hook: Fires after the value of an option has been successfully updated.
Source: wp-includes/option.php:581
updated_postmeta
Action Hook: Fires immediately after updating a post’s metadata.
Source: wp-includes/meta.php:350
upgrader_clear_destination
Filter Hook: Filters whether the upgrader cleared the destination.
Source: wp-admin/includes/class-wp-upgrader.php:638
upgrader_install_package_result
Filter Hook: Filters the result of WP_Upgrader::install_package().
Source: wp-admin/includes/class-wp-upgrader.php:888
upgrader_overwrote_package
Action Hook: Fires when the upgrader has successfully overwritten a currently installed plugin or theme with an uploaded zip package.
Source: wp-admin/includes/class-plugin-upgrader.php:169
upgrader_package_options
Filter Hook: Filters the package options before running an update.
Source: wp-admin/includes/class-wp-upgrader.php:791
upgrader_post_install
Filter Hook: Filters the installation response after the installation has finished.
Source: wp-admin/includes/class-wp-upgrader.php:703