Release 3.0 meta-issue

• Fix constructor handling: #1116
  • Make sure that all primitive types are handled correctly, at least IntPtr and UIntPtr are not right now, work in #1861
  • Also ensure that the non-simple constructors on String can be called, work in #1862
• Fix doc strings:
  • Fix constructor __doc__ for (at least?) primitive types, work in #1865
  • Fix pydoc getting confused by our __file__ if __doc__ is not defined (should be fixed with 1865 as well, only happens if __doc__ does not exist for some type)
• Documentation, work in #1863
  • Generate the main reference docs
  • Update README, add a simple example for .NET 6
• Minor tweaks:
  • Maybe ensure that the path of the runtimeconfig.json is automatically added to sys.path? Decided against this, as runtime_config is now an optional parameter.
  • Maybe default to .NET Core if Mono is not available on Unix? Decided against this, it would be a much worse experience if the default changed just because someone installed Mono.
  • Communicate errors in the default initialisation clearly (see #1868)
  • Retrieve information about the currently loaded CLR from clr-loader (see https://github.com/pythonnet/clr-loader/issues/28)
• Make a decision and implement reg. #1833
• Publish:
  • Publish to Pypi and nuget.org
  • Write release mail to the mailing list and the discussion forum
  • Update the homepage accordingly (using the new Sphinx docs)
• Post-release:
  • Merge release branch back into master
  • Adjust docs workflow to publish from master instead of release
  • Bump version on master to 3.1.0-dev

[lostmsu]

Heads up: I run the full test suite we have on rc6 and it seems to be working without issues.

[lostmsu]

@filmor we just made a breaking change with float conversions. Not sure about Unity, but I would have to ensure it does not break anything. Probably will be able to do it until then.