The Logic Pro 7.1.1 Update addresses isolated reliability issues. It also improves compatibility with Mac OS X version 10.4 (Tiger).
The most significant areas addressed are:
For more information on this update, visit http://docs.info.apple.com/article.html?artnum=302236.
Note: To use Logic Pro 7.1.1 with the Logic Node application, an update of the Node software is required on your Node machines. The Logic Pro 7.1.1 Update installs the Node updater in the Applications/Utilities folder. Please copy it to the Node machine(s) and run it.