First off, thank you very much Hamlet for making this excellent resto compendium, it is greatly appreciated.

About the shoulder and helm enchants. Here is the breakdown of stats from the differing enchants:
26 int / 20 spirit and 21 int / 16 spirit enchants
54.943 spellpower
824.145 mana
41.2073 mp5 from replenishment
2.23299 mp5 from spirit/int
0.330663 crit from int
0 crit from rating

30 SP / 20 crit and 24 SP / 15 crit enchants
54 spellpower
0 mana
0 mp5 from replenishment
0 mp5 from spirit/int
0 crit from int
0.762428 crit from rating

So is it really worth it to lose 0.943 SP, 824.145 mana, 43.439 mp5 to gain 0.431764 crit?

About glyphs. You don't seem to mention Glyph of Healing Touch. While the gain may seem small, it is still a gain in healing done(especially in oh snap moments). In a fight where you cast 25 Healing Touches it comes out to be a 2.0833 minute reduction(125 sec) on Nature's Swiftness which is 2/3 the cooldown. This cooldown reduction is very nice to have in fights where(especially in ICC) people can get very low and need a quick, large heal. Also not mentioned is Glyph of Dash, while admittedly it has very little effect on raiding, it does have some effect on some fights with high mobility across large areas. I find it more useful than our other options, which have no bearing whatsoever on raiding.

I'm being very nitpicky here but the haste soft cap is actually 1015 and not 1016 to get your Rejuvenation to tick 5.5+ times during it's duration, which is then rounded up to 6. And also worth mentioning is that the first 10 points of Intellect give no Spellpower, every point thereafter however, does.

As far as gems, the Insightful meta, with it giving 21 Spellpower instead of the 3% bonus to crit heals, is more throughput than the Revitalizing since in 4.0.1 most of our crits tend to be overhealing anyway(this may change come cata and increased health pools).

Lastly, as mentioned above normal Lifebloom mouseover macros do indeed work now. Also mentioned above, in terms of trinkets, Glowing Twilight Scale is better throughput than Heroic Solace in both Intellect/Spellpower and from the ability to use it during Tree of Life with instant cast Regrowths. So if mana is a non-issue for you and/or you have another resto to exchange innervates with this is by far the best throughput option, along with Althor's Abacus 277.

Sorry for the wall of text!

P.S. Small typo I noticed on Lifeblood cooldown from Herbalism, you accidently say it gives you 240 haste for 2sec instead of 20sec.

It would likely be worthwhile to post the 'haste thresholds' where haste ends up giving more throughput by creating extra ticks so as to allow for aiming for specific thresholds for different rolls. IE, if a tree is tank healing, then thresholds for Regrowth and Lifebloom become more important than Rejuv thresholds. As well, listing the GCD haste threshold for 4.0.1 with and without a 5% haste buff.

That graph shows the HPS of one Renew/Rejuve increasing linearly while your haste increases. Pretty much every break point allows you to get one more person covered in case of blanketing or just gives you a free GCD, if you want.

If I'm wrong, could someone point it to me please.

1015 haste rating / 32.79 rating per 1% = 30.9455593168649% haste
30.9455593168649 / 100 = 0.309455593168649 + 1 = 1.309455593168649
1.309455593168649 * 1.05(5% haste raid buff) = 1.37502287282708
1.37502287282708 - 1 = 0.37502287282708 * 100 = 37.502287282708% haste (37.5% being the breaking point)
3 sec RJ tick * 1.37502287282708 = 2.18178188834919 sec new hasted tick time
12 sec duration / 2.18178188834919 = 5.50009149130833 ticks (x.5 ticks being the breaking point to add a whole new tick to the duration)
5.50009149130833 rounds UP to 6 ticks with the new HoT system making this RJ a 5.50009149130833 * 6 = 13.0906913300951 sec duration HoT

To further emphasize my point that 1015 IS the true breaking point, here are the calculations at 1014 haste rating
1014 haste rating / 32.79 rating per 1% = 30.9240622140897% haste
30.9240622140897 / 100 = 0.309240622140897 + 1 = 1.309240622140897
1.309240622140897 * 1.05(5% haste raid buff) = 1.37470265324794
1.37470265324794 - 1 = 0.37470265324794 * 100 = 37.470265324794% haste (BELOW the 37.5% breaking point)
3 sec RJ tick * 1.37470265324794 = 2.18229010681841 sec new hasted tick time
12 sec duration / 2.18229010681841 = 5.49881061299176 ticks (BELOW the x.5 breaking point, thus NOT adding a whole new tick to the duration)
5.49881061299176 rounds DOWN to 5 ticks with the new HoT system making this RJ a 5.49881061299176 * 5 = 10.9114505340921 sec duration HoT

I hope this clears up some confusion.

I don't think there was any doubt that 1015 is the true breakpoint, but people kept finding that in-game you sometimes would not get a 6th tick even at 1015 haste with the 5% haste buff, but at 1016 the chance was near 100%. That's the only reason the guide recommends 1016. I keep hearing something about a rounding error, which I assume is meant as an in-game one, so there's nothing we can do about that. Best to just be safe and pick up 1016.

I did some testing with a guild mate. He used the trinket and chaincasted reju on me. I didn't get the trinket-hot. Naturally it did work with regrowth. In other words: The initial tick, which is added to rejuvenation if you've skilled GotEM, is not a direct heal.

HPCT increases at a break point and you are correct that it may be possible to cover one additional person - that's part of the reason why we spent so much time discussing HPCT when the Glyph of RR came out. However, that effect only occurs at a break point and is the same increase each time meaning that the overall effect displays diminishing returns when compared to haste rating.

oh okies, my bad then! hadn't heard that so thank you. damn you blizzard! get your own math right :<

Thank you Hamlet, for a long awaited OP of the Tree healing.

However, reading through it I stumbled over this:

I wonder why you deem the added 240 Haste (every one minute) largely useless, seeing as Haste is a top 3 priority?

The cooldown is ridicullously short, so with a proper spamming and a little planning you'll be at max Haste nearly all the time. Taking the fact that the Engineering gadget adds with an ordinary Enchant, I'd say its a great bonus.

It also gives a bit more flexibility when you look to Reforge, you dont have to be at the magic 1016, since you will hit it every 1 minute.

(Ok you shouldn't take Engineering just for the sake of this one bonus, but saying it is largely useless is a shame).

Or did I miss something completely?
<3

It's just as good for a druid as other healers. Considering it is the highest INT trinket available to us, I also produce roughly the same healing from the proc as a shaman and holy priest in our guild. All it takes is a few regrowths when using the proc and you'll get the same effect as any other healer.

I believe the idea is to continue to just use Rejuvs, and if someone takes a spike of damage just use Regrowth on them. Spreading Lifeblooms across the raid isn't a huge help, I don't think, but stacking it on your tanks can't hurt.