On 02/02/2018 08:14 AM, Yury Selivanov wrote: > Eric, in my opinion we shouldn't copy attrs. [...] > We are designing a new API that is going to be hugely popular. Why > can't we ship it with dangerous options prohibited in 3.7 (it's easy > to do that!) and then enable them in 3.8 when there's an actual clear > use case? +1 -- ~Ethan~