Real, dated releases and announcements — verified against official sources, not speculation.
Released January 19, 2003, FreeBSD 5.0 began dismantling the single 'Giant Lock' that had serialized most of the kernel, after years of SMPng project work.
FreeBSD 14.0 was released on November 20, 2023, as the first release from the stable/14 branch — what it brought and why it mattered.
FreeBSD 13.0-RELEASE, published April 13, 2021, made ZFS-on-root the bsdinstall default — a significant shift for how new FreeBSD systems get set up.
FreeBSD 12.0 arrived on December 11, 2018, bringing UEFI+GELI installer support and a wave of toolchain updates.
Released December 11, 2022, Linux 6.1 became the first kernel version to officially accept Rust as a second language for kernel development, alongside C.
Linux 5.0 shipped March 3, 2019, and Linus Torvalds was explicit that the jump from 4.x to 5.0 didn't signal any major architectural change.
August 25, 2021 marked 30 years since Linus Torvalds' original Usenet announcement, prompting a wave of retrospectives on how far the kernel had come.
Released March 24, 2001 at $129, Mac OS X 10.0 brought Apple's NeXT-derived, Unix-based operating system to consumers for the first time.
At WWDC on June 22, 2020, Tim Cook announced a two-year plan to move every Mac from Intel processors to Apple's own chips.
Released September 30, 2015, OS X 10.11 shipped with SIP enabled by default — restricting even the root user from modifying protected system files.