User model stacking: current status

[John Rose]

P.S. Apologies for starting at the wrong end of the chain.
Hope it was useful anyway!

On 2 Jul 2022, at 18:40, John Rose wrote:

> On 5 May 2022, at 12:21, Brian Goetz wrote:
>
>>> There are lots of other things to discuss here, including a discussion of what does non-atomic B2 really mean, and whether there are additional risks that come from tearing _between the null and the fields_.
>>