One of the issues that I think was raised in 2012 was the idea that fixing the budget date before the main estimates and at the end of February would give parliamentarians more time to evaluate the different estimates and different measures. That is obviously not part of the plan right now, so you're still not going to get more time.
The time that parliamentarians have to review the main estimates has always been an issue. One solution in 2012 was to move the budget date back, and then you would have most of the measures included in the main estimates from the end of February to early June, and you will have time to look at the main estimates, but that's obviously not part of the plan.