ALTERA DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN THIS PATCH WILL MEET YOUR REQUIREMENTS, OR THAT THE OPERATION OF THIS PATCH WILL BE UNINTERRUPTED OR ERROR-FREE. //**************************************************************** quartus-11.1-1.06-readme.txt Readme file for Quartus II 11.1 SP1 Patch 1.06 Copyright (C) Altera Corporation 2011 All right reserved. Patch created on December 16 2011 Patch SPR#: 393346 SPRs fixed: //**************************************************************** Problem: An optimization bug in handling clock tree nodes that drive feedback registers was fixed. The bug resulted in more than requried timing analysis units to analyze and hence the bump in run time. Solution: Fix is in place and the effect of it can be seen in faster runtime of TimeQuest. Caution - You must either have previously installed the Quartus II 11.1 SP1 software or must install the Quartus II 11.1 SP1 software before installing this patch. Otherwise, the patch will not be installed correctly and the Quartus II software will not run properly.