A saved build you were not flying could come back empty or with the wrong modules. Its gear waits in the armory, and escort AUTO-FIT took the best modules there, which were that build's. Escorts now leave a saved build's modules alone: AUTO-FIT skips them and a manual fit says "Saved in one of your Builds". Spare copies (extra batteries and the like) can still go to escorts.
Gear already fitted to an escort stays there: unfit it to give it back to the build.
A module re-forged with a Splice Chip or Firmware Injector now stays in the builds that held it.