Under the hood
Useful1 Signal1
A truncation telemetry label was renamed, so old dashboards keyed on it stop matching.
What's wrong with this entry?
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What
The first capped result in a run is reported as first-truncation instead of first-cap. Anything keyed on the old label stops matching.
Evidence
t.capped === 1 ? "first-truncation" : void 0
Strings lifted out of the shipped bundle, so the claim above can be checked against them.