As of now, US1 and EU1 are testing out a version of the Buildlog/Revert patch, a bit before it gets trunked. L3+ have buildlog. L4+ have revert.
Also, the following changes have been merged that you should be aware of as players:
* Queue BP according to the proportion of damage that came from not-friendly-fire (e.g. things killed entirely by FF have their BP returned instantly, and those killed by enemies/other have their BP queued, and others split accordingly)
* Attribute deaths caused by nopower, nocreep, and human buildable blowup-chain-reactions to the person that killed the egg/power/original building that started the chain
* Use markdecon (instant of instant-decon) when buildings are unpowered but are about to be powered by a currently-building
* and a couple other tweaks/fixes to markdecon behavior.
This means that teamkilling your old base to help with a move, or teamkilling some rubbish feeder egg, is no longer punished by bp-queue. It also means that while you're moving the reactor within the base, people won't be able to decon everything instantly (because it has no power) anymore.
Enjoy.