Jeremy Kuhne

@kthompson No _known_ issues. :) That package is _specifically_ for 4.7.2. Let me know if you have any problems with it.

@kthompson that is by design as they are different types. The library doesn't include everything in `System.IO`- the _key_ thing it doesn't have is `FileStream`. `FileStream` on 4.7.2 will work...

Some Runtime changes: https://github.com/dotnet/runtime/pull/43514 https://github.com/dotnet/runtime/pull/39752 https://github.com/dotnet/runtime/pull/39082

> Before anything gets too deep, the Winforms team should decide on how they want to split up the NativeMethods.txt file. Not sure how we'd want to split this up...

@elachlan I appreciate that you want to help here and do want your help, but I'd ask that you hold off for a week or so while we get things...

https://github.com/dotnet/winforms/issues/4238 can get a regression test when this is feature is moved forward.

@willibrandon Enumerating the top-level records in EMF+ is relatively easy as GDI+ gives you a record enumerator (exposed in [`System.Drawing.Imaging.Metafile`](https://docs.microsoft.com/en-us/dotnet/api/system.drawing.imaging.metafile?view=net-5.0)). Getting the details out of each record takes a little...

> Am I correct that the details for each record will need to be parsed out of IntPtr data in the callback? I believe so. I'm not _positive_ where the...

We shouldn't change our public APIs to `nint` from `IntPtr`. The question here is whether or not we care about how this shows up in the Shipped/Unshipped.txt files. I presume...

We should start throwing for null arguments in version 6.0 (next major release). Right now we're plagued by inconsistent behavior with these depending on what current state is in seemingly...