When building a Windows 64bit application, the profiler will never connect to the executable. This only works when building a 32bit application. To be precise: Autoconnect does not work, nor does the build show up in the "active profiler" selection screen.

To reproduce:
Hint: make sure to check "run in background" in player settings
1: Click File -> Build Settings
2: Select PC, Mac, Linux Standalone
3: Choose Windows and x86_64 from the dropdowns
4: Check "development build" and "autoconnect to profiler"
5: Click build&run and notice the profiler window. No autoconnect is taking place and the application does not show up in the "active profiler" selection