Change notes for Frontier 6.2.

There was a LOT of work done between 6.1 and 6.2. UserLand's piecemeal updates system obscures that, but if you roll up all the new features and changes since the last full release, it definitely piles up.

Unfortunately I've not had time to do much with Frontier lately, but once the Carbon version is available I'll be all over it. :) I want to see if it can be integrated at all with WebObjects, and if so, in what capacity. Both speak XML and HTTP, so there are definitely opportunities.