What was done to improve the performance of the Lotus Notes client from 8.0.1 to 8.0.2 and 8.5, and what were the results?
The Notes 8 client is a highly integrated application built on an open framework. The software stack was optimized to streamline the loading of Java bundles during the initial launch of the Notes 8.0.2 and 8.5 clients.
We were able to reduce redundancies and dependencies inherent in a highly integrated application. Additionally, we have re-ordered the startup sequence. This means that we load only the things necessary to get to your Inbox most quickly, loading other components either in the background, or when they are accessed by the application for the first time. The result is that the Notes 8.0.2 and 8.5 clients launch more than twice as fast as the Notes 8.0.1 client.
via IBM – Performance improvements from Notes 8.0.1 to 8.0.2 and 8.5.