Late last night when the 2.4 Patch Notes were circling around, Drysc responded to a lot of QQing on the class forums about lack of buffs and nerfs. In particular, many shamans were upset (most of the threads have been deleted due to offensive language). The gist of what Drysc told everyone: The patch notes are not complete. More class changes to come. Nethaera also later confirmed.
He gave us a little history lesson too. There are two types of patch notes: test realm patch notes, and live patch notes. Live patch notes reflect the changes to the live servers. Test realm patch notes reflect the changes that are on the test realm servers. Test realm patch notes are the basis for the live patch notes, but many change are made to them. As players are active on the test realm and balance issues are discovered, they tweak the patch notes. In the end, the final patch notes that went to the live servers were sometimes nothing like the test realm patch notes; a few things were added, a few things were removed. I wanted to check this out for myself so I found the old test realm patch notes for 2.2, and the live patch notes for 2.2. The following changes were made between the two different versions of the patch notes: