Name Type Location Description
image_field_update function core/modules/image/image.field.inc Implements hook_field_update().
system_update_1050 function core/modules/system/system.install Fix legacy color setting in Bartik.
system_update_1089 function core/modules/system/system.install Enable Admin Bar's Language Switcher component if this is a multilingual site.
system_update_1041 function core/modules/system/system.install Notify administrators if a non-core version of Email module is present.
system_update_1081 function core/modules/system/system.install Enable Admin Menu's Page Links component.
system.updater.inc file core/modules/system/system.updater.inc Subclasses of the Updater class to update Backdrop core, modules, themes, and layouts.
hook_config_update function core/modules/config/config.api.php Respond to configuration updates.
system_update_1036 function core/modules/system/system.install Remove the private key from configuration.
search_update_1003 function core/modules/search/search.install Set a default for the new search_pager_type setting if not already set.
system_update_1056 function core/modules/system/system.install Move incorrectly stored "log_row_limit" setting.
update_update_1002 function core/modules/update/update.install Enable static caching for update settings configuration file.
system_update_1052 function core/modules/system/system.install Disable project browser if it previously existed on the site.
system_update_1090 function core/modules/system/system.install Set a default value for the new user_editor_role setting on existing sites.
hook_layout_update function core/modules/layout/layout.api.php Respond to updates to a layout.
locale_update_1005 function core/modules/locale/locale.install Convert source and translation from blob to text.
update.compare.inc file core/modules/update/update.compare.inc Code required only when comparing available updates to existing data.
system_update_1091 function core/modules/system/system.install Set jQuery to the backwards-compatible, legacy version for existing sites.
system_update_1042 function core/modules/system/system.install Notify administrators if a non-core version of Link module is present.
filter_update_1001 function core/modules/filter/filter.install Add a separate permission for image upload access.
system_update_1095 function core/modules/system/system.install Set default values for flags for stripping sensitive headers on HTTP downgrade or host change.
system_update_1071 function core/modules/system/system.install Grant the "administer flexible templates" permission to all user roles that already have the "administer layouts" permission.
system_update_1074 function core/modules/system/system.install Make sure that all config translatables are set for system core.
system_update_1072 function core/modules/system/system.install Add 'jquery-html-prefilter-3.5.0.js' to the 'jquery' library.
system_update_1075 function core/modules/system/system.install Set a default value for the "Permissions-Policy: interest-cohort" header.
system_update_1037 function core/modules/system/system.install Set the default value for canonical_secure option. Check if old menu item exists and remove it.
system_update_1076 function core/modules/system/system.install Add default values for dismissible message settings.
system_update_1077 function core/modules/system/system.install Explicitly set the admin theme to an actual theme, instead of the special 'Default theme' option.
system_update_1078 function core/modules/system/system.install Re-arrange flexible layout configuration so we can save region classes.
system_update_1079 function core/modules/system/system.install Clear the cache to reset allowlist settings.
system_update_1080 function core/modules/system/system.install Set homepage to 'user' if blank to match previous behavior.
system_update_1045 function core/modules/system/system.install Ensure that the installation flag is properly set.
system_update_1000 function core/modules/system/system.install Enable entity module.
system_update_1001 function core/modules/system/system.install Move from the Garland theme.
system_update_1073 function core/modules/system/system.install Set config_sync_clear_staging on existing sites, if not already set.
system_update_1002 function core/modules/system/system.install Set Bartik as default theme if it implicitly was the default before.
system_update_1003 function core/modules/system/system.install Convert performance module settings to use configuration files.
system_update_1004 function core/modules/system/system.install Create the "state" table for the state storage system.
hook_entity_update function core/modules/entity/entity.api.php Act on entities when updated.
system_update_1005 function core/modules/system/system.install Convert basic system variables to the state system.
system_update_1006 function core/modules/system/system.install Delete unneeded actions for manually saving comments and nodes.
system_update_1007 function core/modules/system/system.install Create the tempstore table and remove the cache_form table.
system_update_1008 function core/modules/system/system.install Convert the 'filesize' column in {file_managed} to a bigint.
system_update_1009 function core/modules/system/system.install Enable Admin Menu module.
system_update_1010 function core/modules/system/system.install Remove the registry and registry_file tables.
system_update_1011 function core/modules/system/system.install Specify the files directory manually if needed.
system_update_1051 function core/modules/system/system.install Notify administrators if a non-core version of Redirect module is present.
system_update_1012 function core/modules/system/system.install Convert cron settings to use configuration files.
system_update_1013 function core/modules/system/system.install Moves site system settings from variable to config.
system_update_1014 function core/modules/system/system.install Move the system maintenance settings from variable to config.
UpdateQuery::$table property core/includes/database/query.inc The table to update.

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