Hi Julian,
We did some manual testing of link time for our game dll between 6 months ago and today on a personal machine, no UBA, no incredibuild enabled. We did 3 runs on each CL and took the average times.
Building a single file and linking the dll went from 31 s on average to 72 seconds on average. Of course a lot of game code was developed over this time period, as well as the update from unreal 5.4 to unreal 5.5. We would love to improve our tracking of this so that we can find these regressions earlier on in the future. I’ll have a look at those 2 flags you’ve linked to see if it gives the details we’re looking for!
/Ted