On Tuesday, Apple released version 4.5 of its ProKit system components for Mac OS X as well as support for assorted Braille displays in its Mac OS X 10.5 ("Leopard") operating system.

The ProKit update, a 22.4 megabyte download, improves reliability for Apple's professional applications such as Final Cut Studio, Final Cut Express, Aperture, Logic Studio and Logic Express.

The ProKit 4.5 update requires Mac OS X 10.4 or later to run.

Sort of coming from out of nowhere and not widely anticipated, Apple also released its Braille Display 1.0 software. A 448 kilobyte download, the software adds support for the following refreshable Braille displays:
-GW Micro BrailleSense

-GW Micro SyncBraille 20

-GW Micro SyncBraille 32 

-HandyTech Easy Braille

-HandyTech Braille Star 40

-HandyTech Braille Star 80 

-HIMS BrailleSense

-HIMS SyncBraille 20

-HIMS SyncBraille 32 

-Nippon Telesoft Seika Version 3

-Papenmeier Braillex Trio

Braille Display 1.0 requires Mac OS X 10.5 or later to run.

If you've installed the updates and noticed any major differences, let us know over in the comments or forums.