The latest version of the Orca package can be downloaded from Softpedia
Orca, a free, open source, flexible, and extensible screen reader that provides access to the graphical desktop via speech and refreshable Braille, is now at version 3.7.5.Orca works with applications and toolkits that support the Assistive Technology Service Provider Interface (AT-SPI), which is the primary assistive technology infrastructure for Linux and Solaris.
Highlights of Orca 3.7.45:
• Structural navigation objects are now navigable by "list of" dialogs;
• Much better handling of egg-list-box for the new panels in gnome-control-center;
• Orca now echoes words in gnome-terminal;
• Do not attempt to store an AtspiTable in a dictionary.
A complete backlog of updates and bug fixes can be found in the GNOME repository.
Download Orca 3.7.5 right now from Softpedia. Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.