LND Tests A Guardrail Against Extreme External Bitcoin Fee Estimates

LND’s October 22 release candidate brings attention to a quiet source of wallet risk: outside fee estimates that software treats too generously. The 0.21.5 development notes describe a ceiling for values received through an external fee API, alongside fixes to other node operations.
TL;DRThe published build is v0.21.5-beta.rc1, a pre-release.
The fee change limits extreme estimates supplied by an external service.
Release verification and application testing answer different questions.
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