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htlcswitch: separate onchain and offchain intercpeted HTLCs cleanly #10895

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htlcswitch: separate onchain and offchain intercpeted HTLCs cleanly #10895

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7d2a8cb
itest: cover on-chain interceptor settlement
ziggie1984 Jun 22, 2026
5092fe9
htlcswitch: track held HTLC source
ziggie1984 Jun 22, 2026
14f6831
witnessbeacon: avoid interceptor deadlock
ziggie1984 Jun 22, 2026
e3799ce
routerrpc: add clarifying docs for the intercepted forward
ziggie1984 Jun 22, 2026
dc02a60
docs: add v0.21.1 release note
ziggie1984 Jun 22, 2026
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9 changes: 9 additions & 0 deletions docs/release-notes/release-notes-0.21.1.md
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Expand Up @@ -29,6 +29,15 @@
which could default new onion service creation to the retired v2
`NEW:RSA1024` key type that modern Tor rejects with `513 Invalid key type`.

- [Fixed on-chain forward interceptor
settlement](https://github.com/lightningnetwork/lnd/pull/10895) after the
incoming channel force closes. Held forwards are now tracked as off-chain or
on-chain entries, allowing an on-chain re-offer to replace the old off-chain
hold so settlement reaches the witness beacon. Go callers of the exported
`htlcswitch.InterceptedPacket` type should use the new `Deadline` field to
distinguish off-chain auto-fail heights from on-chain settlement deadlines,
or `AutoFailHeight()` if they only need the legacy flattened value.

# New Features

## Functional Enhancements
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