Quick answer: Unity Burst AOT output adding 50MB to the iOS build? Burst generates per-target binaries; for size-conscious targets, audit and disable unneeded jobs.
iOS build hits App Store size limit; Burst AOT is 60MB.
Remove unused Burst attribues
Jobs without [BurstCompile] don't generate AOT code. Audit; trim.
Or disable Burst per-platform
Project Settings > Burst AOT Settings > per-platform override. Mobile = off if not critical.
Profile per-job
Per-job AOT size. Outliers; address.
“Burst AOT scales with usage. Per-platform tuning is the optimization.”
If your iOS build is over size limit, the Burst audit is high-impact. Document; commit.