Unreal Engine 5 Stutter Isn't One Problem, It's At Least Three
Shader compilation, traversal streaming and expensive rendering features all cause stutter in Unreal Engine 5 games, but they have different causes, fixes and levels of developer blame.
Section
Hardware
GPUs, handhelds, consoles and displays, judged on frame times rather than spec sheets.
The bugs don't sink a broken launch. The apology does.
S.T.A.L.K.E.R. 2 shipped broken and became Game of the Year. Borderlands 4 shipped broken and lost its opening week. The difference was never the bug list.