Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
[...]
>>
>> And even with regular (non-delayed) drafts, why would we want to date it
>> from when we *started* writing the message, rather than when we sent it?
>>
>> I've opened bug#40151 for this.
>
> And it's in!

Great, thanks!  Would it make sense to backport it to emacs-27?