And another one: you can upgrade 6.06 (a Long Term Support release) directly to 8.04 (the next Long Term Support release), but to get to 7.04 you had to do incr

And another one: you can upgrade 6.06 (a Long Term Support release) directly to 8.04 (the next Long Term Support release), but to get to 7.04 you had to do incremental upgrades to every intermediate release (6.06 -> 6.10 -> 7.04).