https://discussions.unity.com/t/massive-performance-decrease-in-3-4-device-present-taking-large-amounts-of-time-452168/452168
Massive performance decrease in 3.4 / Device.Present taking large amounts of time (452168) - Unity...
Aug 5, 2011 - We have been working on a game over the past few months in unity 3.3 Recently we updated to 3.4, and XCode4, to take advantage of the updates to Unity 3.4....