Apparently it happens on shorter races and they recommend changing the default pit in lap as a fix for now (or selecting longer races), not tried it yet.
Had one race so far with Lotus on easy with brake assist off, 2nd fastest in practice, 2nd in qualifying but had a 5 grid drop for causing a collision, in the race finished 2nd (luckily i was first going into the pitstop!).
Seems strange so far, on the one hand its too easy (Lotus 2nd?) on the other its impossible for me not to spin at the moment even in the dry at least once a lap, and then there's the corning cutting!
Next race ill try with penalties on "realistic" - should be interesting!
Edit update - well was disqualified a few times during race attempts for too much corner cutting and colliisions...
AI seemed a lot better in Australia compared to Bahrain, annoying game yet very addictive.
Struggled around 20th in practice, got to 11th in qualifying, was going well in the race up to 8th before Schmacher weaves all over the place sending me onto the grass and spinning. Restarted the game and 3 times in a row got hit from behind at the first corner. Eventually gave up at carried on finishing 19th, at least i beat Trulli o/