Mac|Life claims that OS X 10.5.7, the next update to Leopard, will be released on Friday. Mac|Life also reports that there is speculation that this will be the final update to Leopard before the launch of OS X 10.6 Snow Leopard, which appears to be slated for a release later this year. Development on Mac OS X 10.5.7 has appeared to be winding down for quite some now as Apple has made very few changes in each incremental build released to developers for testing purposes. The most recent seed was released to developers in the middle of last week. Article Link: OS X 10.5.7 Due for Release on Friday?