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Especially important for Delphi users on Windows 10 Creators Update: IDE Fix Pack 6.1 released | Andy’s Blog and Tools

Posted by jpluimers on 2017/10/31

The new [Archive.isIDE Fix Pack 6.1 released | Andy’s Blog and Tools is huge, especially for Windows 10 targets:

Windows 10 Creators Update 1703 caused issues with all Delphi programs, libraries and packages because it changed how Windows loads imported DLLs in such a way that it causes performance issues and can crash the debugger.

Delphi 10.2 Tokyo Update 2 fixed this by not producing multiple dll import sections for one DLL anymore.

IDE Fix Pack 6.1 implements that “feature” for all previous Delphi versions (2009-10.1 Berlin) and extends it to not only eliminate duplicate dll imports but also duplicate delay dll imports.

There are also (optional) updates that you can enable with new compiler switches:

  • Eliminating fwait instructions (but be careful, as they can confuse the debugger)
  • Optimising calls to virtual methods through interfaces
  • Optimising certain function prolog code

There are some smaller changes too.

I’m going to try this soon.


2 Responses to “Especially important for Delphi users on Windows 10 Creators Update: IDE Fix Pack 6.1 released | Andy’s Blog and Tools”

  1. Lars Fosdal said

    Windows 10 Fall Creators Update 1709 fixed the problem.

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