I was just re-reading through the Blender release logs and for version 2.45 (the current one):
The 2.45 is a bugfix release, to stabilize the 2.4x series.
No new feature have been added, but serious effort has been put in tracking bugs and fixing them. Some performance issues have also been addressed.
Years ago, when I was used Director daily, I don't know how many times I read posts crying for a release that just addressed bugs. Skip new features. I guess the business folks at Macromedia (now Adobe) couldn't makes sense of the importance of stability to users. Blender is one of the most stable pieces of software I use. When you're trying to get a job done, stability is paramount.