Omeka 2.0.4 is the fourth maintenance release for the 2.0 series. It was released on June 27, 2013.
- XSS vulnerabilities in the items and sitewide searches (reported by Brad Spry)
- Permissions check bug and error on admin/files/show for contributor and researcher roles (#569, reported by scampbell)
- Hooks for adding/removing tags weren't always fired (#522)
- Error on items/browse when using some incorrect or outdated search parameters (#527)
- Manual specific-page pagination broken on admin/users (#530, reported by Wayne Graham)
- Admin sidebar nav can grow too long and make items on the bottom inaccessible (#519)
- Dervative file extension calculation was incompatible with differently-formatted filenames (#551, contributed by Daniel Berthereau)
- "Type" advanced searches were not preserved on the form (#548, fix contributed by Jeremy Boggs])
- Some untranslated strings in some admin forms
- "View Public Page" link was missing from admin/files/show
- Nonfunctional "Delete" link shown for items even when user has no delete permissions
- Updated translations for: Catalan - Spain (ca_ES), Greek (el_GR), French (fr), Italian (it), Flemish (nl_BE), Dutch (nl_NL), Norwegian (no), Swedish (sv_SE), Ukrainian (uk)
- The bundled Exhibit Builder plugin is updated to 2.0.4, and the bundled Simple Pages is updated to 2.0.3. Both updates contain added and updated translations.