Apple has seeded Mac OS X 10.5 (Leopard) Build 9A321 Client to developers tonight. This comes on the heels of an unconfirmed report that Apple had seeded build 9A326 internally to employees. According to various reports, the new seed details few changes from previous seeds, with the usual minor bug fixes and a list of ongoing known issues. Apple last seeded Leopard in November with Build 9A303. No word on any user interface upgrades which are expected by some in the final Mac OS X 10.5 Leopard release. While there has been some speculation about an early Leopard release, Apple has officially promised Leopard by Spring 2007.