Apple is nearly finished with work on the Mac OS X 10.5.7 update, seeding efforts indicate. Developers are said to have received build 9J47 on Friday, only four days after 9J44. This Tuesday is said to have seen the release of build 9J50, a sign that Apple may have a rapidly diminishing number of fixes to test and implement. Most developer builds of v10.5.7 have been issued only on a weekly bas