# Behavioral changes

This section describes changes that do not require action on the developer’s part, but will have an effect on how your Endeca application behaves after you upgrade.

- Changes to the default security manager
  This topic describes how the default security manager changed in the 1.4 release.
- Using attribute sets in the Guided Navigation and Results Table components
  When using attribute sets in the Guided Navigation or Results Table components, there are some conditions where the "Other" set will appear to have nothing in it.