Update: We have completed the update to Minecraft 1.5_02 (and have had it done for a while now) and are working out a few issues before we promote a recommended build. A TEST ONLY build is available but we highly recommend that you wait until we promote a Recommended Build before putting it on your production server.
You can find the latest test build on ci.bukkit.org. Please note, though, that if you don't already know how to get it, you probably shouldn't be using it. Only Recommended Builds have gone through extensive testing. Anything else could result in unforeseen problems like Bukkit eating your cake or your world. You have been warned.
Common Problems/Questions: What's the first build that works with Minecraft 1.5_02
The first CraftBukkit build that works with Minecraft 1.5_02 was made available 2 days ago and is build...
A new CraftBukkit build (#684) is now available that contains a fix for a CRITICAL crash exploit that allows people to easily freeze and crash your server and has been affecting quite a few servers recently.
There should be no breaking changes in this build so anyone updating from #670-#677 should have no problems. However, you should always be backing your server up before updating to be safe.
Other notable changes include:
A new pre-login event that properly exposes the IP and runs in its own thread.
A new CraftBukkit build (#677) is now available that contains fixes for a CRITICAL crash exploit (already present in build #674) and prevents malicious users from setting an invalid position which helps them bypass protections within the code.
There should be no breaking changes in this build so anyone updating from #670 or #674 should have no problems. However, you should always be backing your server up before updating to be safe.