What
The list of reasons a checkout upload can fail now includes timed_out, worded as "the upload ran out of time".
Why
When an upload fails because it took too long, the message says so directly.
Upload failure reason 'timed_out' added
Checkout upload failures can now be reported as timed_out, shown as "the upload ran out of time"
EntryKind: in v2.1.281,
ChangesSection of the release