When to know when new versions of software hit the repositories

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http://forums.fedoraforum.org – I've discovered that a piece of software I'm using has a bug in it that is supposed to be fixed in the next release. The next release is available for download on the software site, but yum doesn't pick it up so presumably it hasn't landed in the repos. Before I mess about with trying to compile from source, or any such shennanigans, is there somewhere I can look up when various versions of bundled software are likely to land in the repos? (specifically Evolution 2.26.2 -> 2.26.3 FC11 64, but I'm curious should same thing happen again) (HowTos)