I have a couple score (hundreds?) of open tabs and have been noticing of late
that the observer service has 4k+ observers for such a session. I was a bit
surprised by this, and lowered the suspect referent count a bit to see if I
could determine what was going on.
There's nothing particularly unusual with my setup, but I'd like to propose
that the count be lowered somewhat anyway. I think it's useful for about:memory
to provide as much information as possible about what might be going on. I've
also tried to update the explanatory text to indicate that merely having high
counts is not necessarily symptomatic of a leak.