The following issues were fixed in WS_FTP Professional 13.0.

ID

Category

Fixed Issue

5318

PGP

Enhanced OpenPGP decryption to reliably process encrypted files regardless of file size.

22010

Core

Added a Graceful data connection shutdown option for FTPS connections, allowing reliable file transfers with servers such as FileZilla and Rebex while preserving compatibility with servers that require abrupt socket closure.

28234

SSH

Improved SSH connection handling so that connections succeed even when the server delays sending its identification string.

28431

SSH

Updated SSH cipher negotiation to correctly allow connections using GCM authenticated ciphers without requiring explicit MAC algorithm matches.

28449

Core

Improved stability of large file uploads over SFTP to prevent intermittent transfer failures.

28661

Core

Reworked temporary file creation to avoid namespace exhaustion and ensure continued operation under heavy workloads.

28712

Installer

Updated installer dependencies to supported and more secure versions.

29018

GUI

Corrected OpenPGP mode behavior so that no encryption key remains selected when all encryption keys are deselected.

29212

Core

Improved folder display handling for HTTPS connections to MOVEit Transfer sites to prevent memory-related errors.

29306

SSH

FIPS mode enforces stricter compliance by limiting SSH algorithms to FIPS-approved options.