# Upgrading Discovery Framework to Version 1.5

This section describes the steps you need to take to upgrade the Endeca Discovery Framework to version 1.5. It is critical that, after you follow the upgrade procedures in this section, you also review this guide for additional changes that might be required to upgrade your application.

- Audience for this guide
  This guide is intended primarily for users whose Discovery Framework applications are built from Endeca standard components.
- Required reading
  In addition to reading this document, Endeca recommends that you read the following documents for important information about the release.
- Package compatibilities
  To determine the compatibility of the Discovery Framework with other Endeca installation packages, see the Endeca Compatibility Matrix.
- Upgrading from a previous version of the Discovery Framework
  This section describes how to upgrade your Discovery Framework application from a previous version.
- LAR file migration
  Liferay Archive (LAR) files are not portable across versions of the Liferay Portal. You cannot import a LAR file created in an earlier version of Liferay into a newer version.
- Context root changes
  Changing the context root is not supported as an upgrade.