The --init-only flag description now accurately reflects that it runs both Setup and SessionStart:startup hooks, not just Setup.
Old: "Run Setup hooks with init trigger, then exit" New: "Run Setup and SessionStart:startup hooks, then exit"
Evidence
Line 585008 (CLI option description, contains "Run Setup and SessionStart:startup hooks, then exit")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.