For a while now, I've been annoyed with how difficult it is to set up good backups in PostgreSQL. The difficulty of doing this "right" has pushed people to use things like pg_dump for backups, which is not really a great option once your database reaches any non-toy size. And when visiting customers over the years I've seen a large number of home-written scripts to do PITR backups, most of them broken, and most of that breakage because the APIs provided were too difficult to use.
Over some time, I've worked on a number of ways to improve this situation, alone or with others. The bigger steps are:
For 10.0, there are a couple of new things that have been done in the past couple of weeks: