State-of-the-art binary code analysis tools

The Service Pack 3 introduces a handful of new and interesting features specific to the soon-to-be-released macOS 11 (Big Sur) and provides fixes for numerous minor issues.

Highlight:

Complete changelist:

Debugger:

MACHO:

Bugfixes

As of SP3, IDAPython is incompatible with Python 3.9. If you are experiencing crashes when running IDAPython code, and in particular if the following statement crashes: `from PyQt5 import QtCore`, please run the `idapyswitch' utility that can be found next to IDA in the install directory and select a Python 3.8 (or earlier) install.