It&#x27;s not, if you can not even run that first build then you actually have nothing to work on.<p>Also, not frozen dependencies means you are at the mercy on any dependencies changes breaking your build at any time.<p>With that, even if your first build run and go fetch those deps and can build at T1, it is not guaranteed at all that the build will work at T1+n.<p>There is a big difference between your team working from trunk and your team being dependent on other projects trunk.