Latest ChromeOS 138 Updates & Release Dates

  • February 27, 2026: Release of LTS-138 (138.0.7204.305) for the Long-Term Support channel, including critical security patches for CSS and V8 engine vulnerabilities.

  • October 14, 2025: Official promotion of ChromeOS 138 to the stable Long-Term Support (LTS) channel for enterprise and education fleets.

  • July 29, 2025: Deployment of Build 138.0.7204.163 to the Long-Term Support Candidate (LTC) channel.

  • July 24, 2025: Initial Stable Channel rollout of ChromeOS M138, introducing Select-to-Search and AI wallpapers to the general public.

  • June 24, 2025: Launch of the Chrome 138 browser engine, which included the underlying AI APIs (Translator, Summarizer) used by the OS.