> For the complete documentation index, see [llms.txt](https://docs.elentra.org/technical/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.elentra.org/technical/upgrade-guides.md).

# Upgrade Guides

- [Upgrading to ME v28.0](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-v28.0.md): Upgrading Guide for the release for v28.0
- [Upgrading to ME 1.27](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.27.md): Elentra ME 1.27 was released on March 5th, 2024.
- [Upgrading to ME 1.26](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.26.md): Elentra ME 1.26 was released on April 4th, 2023.
- [Upgrading to ME 1.25](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.25.md): Elentra ME 1.25 was released on April 4th, 2023.
- [Upgrading to ME 1.24](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.24.md): Elentra ME 1.24 was released on September 16th, 2022.
- [Upgrading to ME 1.23](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.23-1.md)
- [Upgrading to ME 1.22](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.22.md)
- [Upgrading to ME 1.21](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.21.md)
- [Upgrading to ME 1.20](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.20.md)
- [Upgrading to ME 1.19](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.19.md)
- [Upgrading to ME 1.18](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.18.md): Elentra ME 1.18 was released on May 12th, 2020
- [Upgrading to ME 1.17](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.17.md): Elentra ME 1.17 was released on December 20th, 2019.
- [Upgrading to ME 1.16](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.16.md)
- [Upgrading to ME 1.15](https://docs.elentra.org/technical/upgrade-guides/upgrading-to-me-1.15.md): Upgrade instructions for upgrading from Elentra ME 1.13 or 1.14 to version 1.15.