They remove things like rlogin/rsh/telnetd and give you OpenSSH, or BSD window(1) and give you tmux. Or LibreSSL instead of OpenSSL (not an OpenBSD subproject).

They remove things like rlogin/rsh/telnetd and give you OpenSSH, or BSD window(1) and give you tmux. Or LibreSSL instead of OpenSSL (not an OpenBSD subproject). https://www.openbsd.org/innovations.html https://www.openbsd.org/innovations.html The various plusXX page give you a changelog style, but also the individual release pages are good at highlighting removed and replaced software. Also, the hackathon, t-shirt and release song artwork is great at showing what was going on at the time in the project. https://www.openbsd.org/lyrics.html https://www.openbsd.org/lyrics.html https://www.openbsd.org/hackathons.html https://www.openbsd.org/hackathons.html https://www.openbsd.org/tshirts.html https://www.openbsd.org/tshirts.html This one is surprisingly relevant: https://www.openbsd.org/images/tshirt-9b.jpg https://www.openbsd.org/images/tshirt-9b.jpg