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Version 5.4.22
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Library:

* :doc:`upload </refs/client/task/m_upload>` method reworked

* Image and file field types added - 
  :doc:`Tutorial. Part 2. File and image fields </intro/tutorial02/index>`
  
* **Buttons on top** attribute added to the Form tab of the
  :doc:`View Form Dialog </admin/items/view_form_dialog>` 

* :doc:`refresh_record </refs/client/item/m_refresh_record>` method reworked, it
  can refresh details of the item

* on_field_get_html event added

Demo application:

* Invoices: on_field_get_html handler added

* Customer: image field "Photo" added

* Tracks: file field "File" added