Friction

Feature request · API & developer experience · Blocks work

Wait for all mapped futures before raising failures

1 source thread · first seen 2026-09

Summary

The author asks for a built-in way to wait for every mapped child and then raise an error that identifies all failures, instead of stopping at the first failure.

Affects
Teams running mapped tasks
Workaround
Use `prefect.futures.wait` and inspect each result with `raise_on_failure=False`.

Evidence

Excerpts are copied word for word from the source; follow the link to read it in full.

“there is no built-in that waits for all mapped children and then raises naming every failure”

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