Software Update: GnuPG 2.1.21

Version 2.1.21 of GnuPG has been released. GnuPG stands for GNU Privacy Guard and is also often abbreviated to GPG. This is a collection of tools for securing communication flows and data. It can be used to encrypt data and create digital signatures, and to provide a framework for public key cryptography. It supports both OpenPGP and s/mime standards. For more information, please refer to this page. The main changes made in this release are listed below.

Noteworthy changes in version 2.1.21

• gpg,gpgsm: Fix corruption of old style keyring.gpg files. This bug was introduced with version 2.1.20. Note that the default pubring.kbx format was not affected.
• gpg,dirmngr: Removed the skeleton config file support. The system’s standard methods for providing default configuration files should be used instead.
• w32: The Windows installer now allows installation of GnuPG without Administrator permissions.
• gpg: Fixed import filter property match bug.
• scd: Removed Linux support for Cardman 4040 PCMCIA reader.
• scd: Fixed some corner case bugs in resume/suspend handling.
• Many minor bug fixes and code cleanup.

A detailed description of the changes found in this 2.1 branch can be found here.