* Enhanced protection for data import and export.
* Added additional access rights checks and CSRF protection.
* Improved security for batch AJAX import.
* Added protection against SSRF and unsafe path handling during image uploads.
* Added checks for trade offer ownership of the selected information block.
* Added protection for CSV files against Formula Injection.
* Enhanced protection for XLSX import against corrupted and excessively large files.
* Improved error handling during batch import.
* Prevented execution of mass actions during incomplete or erroneous import.
* Improved security for storing temporary import and export files.
* Added checks for the owner of generated export files.
* Improved checks for the "Trade Catalog" module permissions.
* Fixed installation of administrative scripts in accordance with 1C-Bitrix recommendations.
* Fixed minor compatibility issues and increased overall module stability.