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Type:
Task
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: 8.3.0-rc0
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Component/s: None
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None
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Catalog and Routing
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Fully Compatible
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CAR Team 2025-09-01
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馃煩 Routing and Topology
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None
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None
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None
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None
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None
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None
Even with the new dryRun mode for setFeatureCompatibilityVersion, the setFCV command still requires being called with confirm: true, and fails otherwise:
> db.adminCommand({setFeatureCompatibilityVersion: "8.0", dryRun: true})
{
聽 聽 聽 聽 "ok" : 0,
聽 聽 聽 聽 "errmsg" : "Once you have downgraded the FCV, if you choose to downgrade the binary version, it will require support assistance. Please re-run this command with 'confirm: true' to acknowledge this and continue with the FCV downgrade.",
聽 聽 聽 聽 "code" : 7369100,
聽 聽 聽 聽 "codeName" : "Location7369100"
}
聽
Relax this check so dry-run mode can be executed without confirm: true.