TA3D development has been quite intensive lately. Lots of bugs have been fixed (fonts are no more blurry, water doesn't get strange after a while, ...). New skies, trees, rocks are being made to replace the old skies and Total Annihilation's 2D sprites.
The engine is not perfect, it still has bugs but it's getting stable. If everything goes as expected TA3D 0.6 should enter RC stage and become stable soon :). In the mean time you can help testing it and report bugs. There is a new crash report system which can be used to send us information about crashes but you can still go to our forums to report bugs which don't crash the game.