APT Upgrade: Debian's APT received a major upgrade to 3.0 in time for Debian 13. It includes user-interface improvements, uses Sequoia for signature verification, and includes solver3 for better package dependency evaluation.

• Better Interface: APT 3.0 organizes output better, adds columnar display and colorized output. It also automatically invokes a pager for long output commands.
• DEB822 and modernize-sources: Debian is moving to the DEB822 format for APT data sources. Apt has a modernize-sources command to convert old files. Ubuntu has been using DEB822 for a while. The old format is likely to stick around for a long time.
• New Solver: The APT solver in 3.0 aims to handle dependencies differently. Solver3 always keeps manually installed packages and is more aggressive in removing unneeded packages. It also has a new option --no-strict-pinning.
• sqv by default: APT now uses Sequoia's sqv verification tool by default instead of GnuPG. It is written in Rust for safety and has sped up some tests.