We've been releasing small patches, including an overhauled conductor UI, builder UI improvements, multiplayer voice settings, and many small fixes.
There's also now an in game help overlay for new players unfamiliar with the features and hotkeys of the builder.
For more detailed guide information, check out the TFC Quick Start Guide!
Rather than large updates, we'll be pushing many small patches as time goes on, but there's new exciting features coming in the following weeks and months that we'll announce as they launch.