Nundina › Discover calendars › Ubuntu Release Schedule calendar › Ubuntu 26.10: Documentation String Freeze, Kernel Feature FreezeUbuntu 26.10: Documentation String Freeze, Kernel Feature Freeze17 September 2026Ubuntu 26.10 release schedule: Documentation String Freeze, Kernel Feature Freeze, planned for 2026-09-17.Ubuntu Release Schedule calendarMore from this calendar

24 December 2026 - Ubuntu 27.04: Ubuntu Testing Week (optional)

25 February 2027 - Ubuntu 27.04: Feature Freeze, Debian Import Freeze

4 March 2027 - Ubuntu 27.04: Ubuntu Testing Week (optional)

18 March 2027 - Ubuntu 27.04: User Interface Freeze

25 March 2027 - Ubuntu 27.04: Documentation String Freeze, Kernel Feature Freeze