Allow attributing a function to specify that its return value is a packed array.
Safety check return statements within functions to ensure that packed arrays are not returned as normal arrays or vice versa.
Add the ability to assert about the nature of a failing test's failure so that breakages aren't hidden
Fix a logic error in the WebGL samples
Update the WebGL vertex structs sample to use interleaved vertex data.
Fix Marshal.SizeOf(object).
Cleanups to the vertex structs example.