# core_availability (subsystem) Upgrade notes

## 5.2

### Removed

- - The `public/availability/amd/src/availability_more.js` file has been removed.
  - The `public/availability/renderer.php` file has been removed.

  For more information see [MDL-87425](https://tracker.moodle.org/browse/MDL-87425)

## 4.5

### Removed

- The previously deprecated renderer `render_core_availability_multiple_messages` method has been removed.

  For more information see [MDL-82223](https://tracker.moodle.org/browse/MDL-82223)