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docs/release-notes: add deadline aware to 0.13.1

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yyforyongyu 2021-06-24 21:28:18 +08:00
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@ -37,6 +37,17 @@ The [`monitoring` build tag is now on by
default](https://github.com/lightningnetwork/lnd/pull/5399) for all routine
builds.
## Deadline Aware in Anchor Sweeping
Anchor sweeping is now [deadline
aware](https://github.com/lightningnetwork/lnd/pull/5148). Previously, all
anchor sweepings use a default conf target of 6, which is likely to cause
overpaying miner fees since the CLTV values of the HTLCs are far in the future.
Brought by this update, the anchor sweeping (particularly local force close)
will construct a deadline from its set of HTLCs, and use it as the conf target
when estimating miner fees. The previous default conf target 6 is now changed
to 144, and it's only used when there are no eligible HTLCs for deadline
construction.
## Bug Fixes
An optimization intended to speed up the payment critical path by