Download FileZilla 3.66.4

Version 3.66.4 of the open source FTP client FileZilla has been released. The program is popular because of its low load on system resources. FileZilla is available for Windows, Linux and macOS. In addition to the standard version, there is also one Pro versionwhich provides support for various online storage services.

Be careful with the 'recommended' download file as it comes bundled with third party software. On this page you can find installation files that do not contain any additional components. An incorrect installation is easy to recognize by the word sponsored in the file name. No changes have been made since the release candidate. Since version 3.66.1, the following changes and improvements have been made:

FileZilla 3.66.4

Fixed vulnerabilities:

• SFTP: Address Terrapin protocol vulnerability

FileZilla 3.66.3-rc1

Bug fixes and minor changes:

• Test release for macOS CPU architecture migration

FileZilla 3.66.3-beta1

New features:

• macOS: Now also distributing aarch64 binaries

Bug fixes and minor changes:

• macOS: Fixes for language detection
• Fixed a potential crash in the HTTP client