Villages
Lawspeakers can -- via their buddy list -- exile village members that they have either as kin or have memorized. Fellow village members are now always identified by a tiny flag icon balloon, even if they're not memorized or kinned.
Feasting
The tidiness bonus has been removed. (Yes, we know this sucks for those of you who came late to the table (pun intended), but those who are already ahead will not get less ahead by us leaving it in.)
Combat
Attack deltas are now the square root of the quotient of the attack and block weights.
Decay
Is gone. For everything that stands on a claim, with the exception of things that need to stand on pavement (Immobile structures), which will still decay if they are placed on a non-paved tile. (A claimed kiln will decay if built on dirt for example). Portable stuff that should typically be placed indoors still decays while outdoors. For example: Anvil, Wardrobe, Cupboard, Spinning Wheel, Loom, Meat Grinder, Coinpress. That may or may not be all.
The Streets
Can now be paved with gold. And some other things.
All clients will need to be updated. Sorry about that.