The following new features and improvements were added to WS_FTP Professional 12.9.

SHA2 host key algorithm support

WS_FTP Professional now supports RSA-SHA2-512 and RSA-SHA2-256 host key algorithms.

OpenSSL update

OpenSSL was upgraded from 1.0.2u to 1.0.2zg to incorporate security fixes and prevent potential vulnerabilities. For more information, see https://www.openssl.org/news/vulnerabilities-1.0.2.html.

Visual Studio update

Visual Studio was upgraded to VS 2022 to maintain security standards.

Zlib update

Zlib was upgraded to version 1.2.13 to prevent potential vulnerabilities. For more information, see NVD - CVE-2022-37434.