General

• Release engineering details: Release Engineering section of the FreeBSD website
• Discussion of the pending release and known issues: freebsd-stable mailing list

Completed milestones

• 15 Jul 2026: Initial schedule announced to developers
• 10 Oct 2026: Schedule reminder sent (planned for 9 Oct)
• 23 Oct 2026: Code slush began on stable/15. Commits no longer need explicit approval, but new features should be avoided.

Upcoming milestones

• 6 Nov 2026: releng/15.2 branch created (further release engineering happens there); BETA1 builds begin
• 13 Nov 2026: BETA2 builds begin
• 20 Nov 2026: BETA3 builds begin
• 27 Nov 2026: RC1 builds begin
• 4 Dec 2026: 15.2-RELEASE builds begin
• 8 Dec 2026: 15.2-RELEASE announcement

End-of-life dates

• 15.1: 31 Mar 2027
• 15.2: 30 Sep 2027
• stable/15 branch: 31 Dec 2029

https://www.freebsd.org/releases/15.2R/schedule