Recently Embarcadero released Delphi XE2 Update 4 which included some changes to signatures for certain functions. This appears to have broken backwards compatibility with DCUs produced with earlier versions of Delphi XE2.
The Quick PDF Library Team has worked quickly to implement a hot fix so that customers can upgrade to Delphi XE2 Update 4 and continue to develop PDF applications with our PDF SDK.
The hot fix and more information is available from the Quick PDF Library blog:
