Broken: 2.81, 7ae3aa7b6313 nightly build, 2019-08-14,
also version 2.80 official download
objects selected using box select, lasso select or circle select cannot be moved to collection because there is no active object. If there was a previous active object still visible it does work, but if the last active object has been deleted or its collection has been turned off pressing 'm' for 'move to collection' does nothing.
Exact steps for others to reproduce the error
from startup add a number of objects.
select any object a delete. there is now no current or previous active object.
use select box, lasso or circle to select the remaining objects and press 'm'
result: nothing happens.
expected behaviour: 'move to selection' menu appears