Ubuntu Release (LTS, ESM)
This post summarizes the Ubuntu release cycle, the difference between LTS and interim releases, and ESM (Extended Security Maintenance).
[01] LTS (Long Term Support) and interim
Ubuntu offers two release types.
- The release version follows a Year.Month format.
- e.g.) Ubuntu 20.10 was released in October 2020.
| Type | Cadence | Support Period | Characteristics |
|---|---|---|---|
| LTS | Every 2 years, released in April | 5 years (standard) |
enterprise grade, the stabilized version |
| interim | Every 6 months | 9 months |
production-quality, for trying new features and open-source projects |
[02] ESM (Extended Security Maintenance)
LTS releases are supported for up to 10 years, covering the following:
- Basic package maintenance
- Security updates
- Kernel Live Patch
- The first 5 years are provided as standard support
- The next 5 years are provided via ESM
- Free: personal subscription (individual users)
- Paid: Ubuntu Advantage subscription (everyone else)
[03] Release Plan
As of 2023.01.06:
LTS and ESM duration and pricing:
