PSA: Focus Fire is Currently Broken

***All of the following has at this point been fixed.  Kindly disregard. :-P

A Stampede Bug?

A friend mentioned to me that she'd heard Stampede wasn't doing as much damage as people were expecting, and since I'm not raiding tonight, I decided to look into it.

The first thing I tested was the damage done by Stampede, both as BM and as MM.  With no gear on at all, I have the following stats:

Survival	6.24.15
Agi	1596
AP	1756
Pet AP	1054
Other Stats	N/A
BM	6.24.15
Agi	1596
AP	1756
Pet AP	1054
Mastery	18%
Other Stats	N/A

As Marksman, my Stampede pets did 588 damage each regular hit against a raid level target dummy, with a few 587s thrown in there. Using the formula you'll see in the Hunter Stat Conversions and Abilities page, we know that the formula figuring out a stampede pet's damage is:

2*AP/3.5)*0.6507*1.5

That is, AP damage function, times the reduction for Armor, times combat experience, which brings us to 587.63787,  which is what we expected.

As BM, my stampede pets did 786 damage under the same circumstances, with an occasional 785. As BM, the formula for a stampede pet is:

(2*AP/3.5)*.6507*1.18*1.7

As BM the difference is including Mastery, as well as increasing Combat Experience to a 70% buff from a 50% buff. That gives us 785.8677,  which is again, what we expected.

So I was about to say that people were mistaken, and there was no problem with Stampede (haste was still affecting Stampede correctly, as well as other stats, and the duration was still correct).  However, my last test, on a whim, was to look at how Focus Fire affected Stampede.

Focus Fire is Currently Broken

The picture at the top here shows a graph of my, and my pets' Attack Power changing as I use Focus Fire. As you'll notice, my pet's AP is not changing when FF is cast, it stays the same the entire time. When I switch to the Damage Done Events tab, I can go through all of the hits by my stampede pets, and nothing changes when FF is cast. 

After that, I went and set up a similar test for normal BM pets, and Dire Beasts.  It turns out no pets are inheriting the AP buff from Focus Fire.  As our pets tend to do at least 60% of our damage as BM, that means that we're currently getting less than half the benefit from Focus Fire.

I am 99% certain that this is a bug, and not intentional.  And I think we'll see it fixed by the end of the week, maybe even tomorrow morning.  

For the time being, be very cautious if you've been wanting to play BM.  It is not working as you might expect it to.

**UPDATE**

Effinhunter, who maintains the guides over on the hunter forums at Elitist Jerks, noted that in the character pane, our hunters' AP was not changing when we used Focus Fire.  This makes it a very bizarre bug, as from the picture at the top of this entry, you can see that advanced combat logging is showing our AP increasing.  So I ran some test on hunter abilities (which you can find here, if you're interested; in the query pin, change Absent to Present on the Focus Fire buff to see both sides of the data, or remove the pin to see it all) which gave me the following results:

W/o Focus Fire
Arcane avg	1759
Cobra Shot avg	1054
Auto Shot avg	753
W/ Focus Fire
Arcane avg	1759
Cobra Shot avg	1055
Auto Shot avg	752

(If you're wanting to do the math, that's wearing no gear except a white bow with a 1-3 damage range, other than that all stats are the same as the test above.)

As you can see, there's no change in the damage done from Focus Fire's AP buff. For all practical purposes, this means that FF is currently working as the Empowered Focus Fire perk was never added.