Name Type Location Description
UPDATE_DEFAULT_URL constant core/modules/update/update.module URL to check for updates, if a given project doesn't define its own.
system_update_1086 function core/modules/system/system.install Preserve 4-byte UTF-8 database update value if set.
UPDATE_NOT_CURRENT constant core/modules/update/update.module Project has a new release available, but it is not a security release.
hook_config_update function core/modules/config/tests/config_test_hooks/config_test_hooks.module Implements hook_config_update().
UPDATE_NOT_CHECKED constant core/modules/update/update.module Project's status cannot be checked.
UPDATE_NOT_FETCHED constant core/modules/update/update.module There was a failure fetching available update data for this project.
system_update_1043 function core/modules/system/system.install Remove old Date configuration files.
system_update_1070 function core/modules/system/system.install Set file_temporary_path on existing sites, if not already set.
system_update_1044 function core/modules/system/system.install Notify administrators if a non-core version of the Date module is present.
search_node_update function core/modules/search/search.module Implements hook_node_update().
system_update_1039 function core/modules/system/system.install Add the "auto" column to the url_alias table.
update_update_1004 function core/modules/update/update.install Fix wrong default value for update_threshold setting.
system_update_1087 function core/modules/system/system.install Set the message length for the database log.
system_update_1040 function core/modules/system/system.install Notify administrators if a non-core version of CKEditor module is present.
system_update_1063 function core/modules/system/system.install Set a default value for the X-Frame-Options header. This will not allow the site to be rendered in an iframe on another domain unless specified.
system_update_1064 function core/modules/system/system.install Add langcode column to {menu_links} table.
system_update_1065 function core/modules/system/system.install Update the maintenance mode message field to use tokens.
system_update_1066 function core/modules/system/system.install Update the core profile locations.
system_update_1067 function core/modules/system/system.install Add default value for form_cache_expiration.
system_update_1098 function core/modules/system/system.install Uninstall the fast_token_browser contrib module, now part of core.
update_update_1003 function core/modules/update/update.install Removes the testing-only values from the update.settings config.
update_config_info function core/modules/update/update.module Implements hook_config_info().
system_update_1047 function core/modules/system/system.install Provide a default value for maintenance_page_maximum_age.
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.
system_update_1092 function core/modules/system/system.install Removes the block_interest_cohort configuration added by system_update_1075().
_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.
system_update_1088 function core/modules/system/system.install Set the file schemes whose paths should not be normalized.
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.

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