Headline: Serverless did not kill background work — it killed background work that outlives the response without telling the runtime. I now route every deferred task on Vercel through one of four primitives: waitUntil() for short best-effort side effects, Vercel Cron for clock-triggered sweeps, ...
Source: [Dev.to](https://dev.to/ahmed_mahmoud360/background-jobs-on-vercel-in-2026-field-notes-on-waituntil-queues-workflow-and-cron-1l6g)