# core_user (subsystem) Upgrade notes

## 4.5.5

### Added

- New method `\core_user::get_dummy_fullname(...)` for returning dummy user fullname comprised of configured name fields only

  For more information see [MDL-82132](https://tracker.moodle.org/browse/MDL-82132)

## 4.5

### Added

- New `\core_user\hook\extend_user_menu` hook added to allow third party plugins to extend the user menu navigation.

  For more information see [MDL-71823](https://tracker.moodle.org/browse/MDL-71823)
- A new hook, `\core_user\hook\extend_default_homepage`, has been added to allow third-party plugins to extend the default homepage options for the site.

  For more information see [MDL-82066](https://tracker.moodle.org/browse/MDL-82066)

### Changed

- The visibility of the following methods have been increased to public:
  - `\core_user\form\private_files::check_access_for_dynamic_submission()`
  - `\core_user\form\private_files::get_options()`

  For more information see [MDL-78293](https://tracker.moodle.org/browse/MDL-78293)
- The user profile field `\profile_field_base::display_name()` method now accepts an optional `$escape` parameter to define whether to escape the returned name.

  For more information see [MDL-82494](https://tracker.moodle.org/browse/MDL-82494)

### Deprecated

- The `\core_user\table\participants_search::get_total_participants_count()` is no longer used since the total count can be obtained from `\core_user\table\participants_search::get_participants()`.

  For more information see [MDL-78030](https://tracker.moodle.org/browse/MDL-78030)