heroku-18
Heroku-18 stack based on Ubuntu 18.04 - END OF LIFE
⚠️ End of Life Notice
Heroku-18 reached end of life on April 30, 2023.
Overview
Heroku-18 was based on Ubuntu 18.04 LTS (Bionic Beaver).
Support Timeline
- Release: 2018
- Deprecated: June 22, 2022
- End of Life: April 30, 2023
- Build Cutoff: May 1, 2023
Post-EOL Status
- Existing apps continue to run at customer’s own risk
- No security updates since April 30, 2023
- No new builds/deployments allowed since May 1, 2023
- No technical support available
Critical Action Required
All applications still on Heroku-18 are severely outdated and must be upgraded immediately.
This stack has been unsupported for over 2 years and poses significant security and compliance risks.
Migration Path
Applications on Heroku-18 should be upgraded directly to Heroku-24 to ensure the longest support timeline.