Slashdot has reported:

Ubuntu 26.10 is set to include Sequoia PGP, a Rust-based OpenPGP implementation, as a preinstalled option. Canonical aims to make it the default toolchain in a future release, but that change has not yet happened, according to the release notes cited by It's FOSS.

Canonical has been selectively replacing some Ubuntu system components written in C with Rust equivalents. GnuPG, the dominant Linux implementation of PGP, is written in C. Sequoia PGP was started in 2017 by three former GnuPG developers, who chose to build a new implementation in Rust instead of continuing to develop GnuPG's existing codebase.

Sequoia is designed as a library for other software to use, rather than as a standalone command-line program. Its command-line tool, sq, supports encryption, decryption, signing and key management. The separate sqv tool verifies signatures, providing functions corresponding to GnuPG's gpg and gpgv tools.

Sequoia implements RFC 9580, the 2024 revision of the OpenPGP standard. GnuPG has continued from the RFC 4880 branch and pursued its own newer extensions and the LibrePGP specification rather than adopting RFC 9580 as its primary standard.

The information appeared in the It's FOSS Weekly newsletter. It also noted that the founder of the It's FOSS blog created TUXDLE, a Linux-themed game in the style of Wordle, with answers consisting of Linux terms.