Re: the recode and beta test:
The test was with the existing members, Eowul and at least Gorboth and Petros. There may have been other wizards behind the scenes, I don't know.
I'll give my 2 cents as a player OOC about it:
The recode was universally a nerf versus the old build - Lower DPS, removal of the lay guild slot, nerfed supporting spells, loss of attack modes, removal of some abilities which help in teams.
The guild is implemented as undeads - being undead has some plusses and some minuses. We saw the minuses as major because of how the game has been played all along (certain things don't work to your benefit any more). It required a bunch of re-learning. I don't know how public the undead plusses and minuses are, so I won't go into them but there are definitely tradeoffs here.
The guild became more thematic and consistent.
There were a couple hugely thematic abilities that were denied due to balance issues. This was a sore spot because they were exactly the kinds of things one would expect the guild to have.
Guild play is now decidedly more magic-user like. If you haven't been a mage, this might be harder to grasp, but as an example, normally you would spend all your killing time in two modes: lay fighter for 90% with occasional bursts, or major component usage to nuke non-stop. Nuking non-stop isn't really balanced and this is no longer possible. As a magic user (or at least a mage) you stand around a lot to recharge to fight again. Universally players don't like this and its a really sore spot for people who like to play - its a lot of idle time. But, it is more correct. Also, it required almost all players to re-spec their chars as the stat requirements shifted (effectively wis is much more important now).
Technically, the guild was reimplemented to use standard services. I obviously don't have any first hand knowledge of this, but as an engineer it is attractive. The guild abilities are standardized (as opposed to be specially coded) so it adheres to the rules of the underlying system, adhering parameters set in the 'core'.
It is a huge change from the previous world. We lost some people because of it, but I think its fair to say that anyone who gave it a chance has grown to like it.
I am also deliberately leaving out the more major weaknesses because I'd prefer the fewest number of people possible know about them
