You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Agent ProxyArea: what it touches
New FeaturesKind: in v2.1.251,
New FeaturesSection of the release
What
When a Bash command runs while the hosted egress proxy is active, any proxy connection failures during that command are now summarized on stderr afterwards, naming the host, the failure kind and a plain-English reason, plus a curl -sS <statusUrl> pointer for details. Only failures that happened during that command are reported.
Details
A per-host tracker snapshots failure counts at the start of the Bash tool's call and diffs them at the end.
Requires the agent proxy relay to be active for the session, which is what sets the status URL; with no relay there is nothing to report.
A telemetry event is also fired when failures are appended.
Evidence
[agent-proxy] While this command ran, ${n} ${C(n, "connection")} through the agent proxy failed:
Strings lifted out of the shipped bundle, so the claim above can be checked against them.