Name Type Location Description
system_update_1053 function core/modules/system/system.install Remove unnecessary items from the "main-menu" menu.
search_update_1001 function core/modules/search/search.install Add the default value for the "search_logging" configuration value.
update_update_1000 function core/modules/update/update.install Moves update settings from variables to config.
update_update_1001 function core/modules/update/update.install Add config default value for "update_not_implemented_url".
system_update_1046 function core/modules/system/system.install Upgrade or prepare for transliteration functions in core.
system_update_1048 function core/modules/system/system.install Set background fetch defaults.
system_update_1054 function core/modules/system/system.install Changes the key in layout config files from 'layout' to 'layout_template'.
system_update_1059 function core/modules/system/system.install Set home page menu to render as a drop-down menu.
system_update_1055 function core/modules/system/system.install Create the new layout settings configuration file.
system_update_1068 function core/modules/system/system.install Add 'jquery-extend-3.4.0.js' to the 'jquery' library.
path_entity_update function core/modules/path/path.module Implements hook_entity_update().
system_update_1049 function core/modules/system/system.install Bartik theme settings update: Indicate whether legacy colors should be used.
system_update_1069 function core/modules/system/system.install Removes an unused state value.
update_test.module file core/modules/update/tests/update_test/update_test.module Module for testing Update Manager functionality.
_image_update_1004 function core/modules/image/image.install Helper function to update an image field or instance's default image.
filter_update_1002 function core/modules/filter/filter.install Import the image_library view.
filter_update_1003 function core/modules/filter/filter.install Make the image_library view module-provided.
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_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 or modify configuration creation.
system_update_1036 function core/modules/system/system.install Remove the private key from configuration.
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.
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_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_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.

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