2016-08-23 - FileZilla Client 3.21.0 released

Fixed vulnerabilities:

Fixed a string format vulnerability introduced in 3.20.0-rc1 when listing directories using SFTP

New features:

SFTP: Added support for AES-GCM ciphers as implemented in OpenSSH
OS X: Ctrl+Tab and Ctrl+Shift+Tab can now be used to switch forward and backward between opened tabs

Bugfixes and minor changes:

Reduced time between TCP keepalive packets to 15 minutes on supporting platforms
Fixed saving of directory listing filters with an attribute condition