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Podcast: add 377 recap
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_posts/en/newsletters/2025-10-24-newsletter.md

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@@ -48,7 +48,7 @@ popular Bitcoin infrastructure software.
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unnecessary computation.
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The current proposal is still in the discussion phase, with no prototype
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available.
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available. {% assign timestamp="1:06" %}
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- **Channel jamming mitigation simulation results and updates:** Carla
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Kirk-Cohen, in collaboration with Clara Shikhelman and elnosh, [posted][carla
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The write-up concludes that [channel jamming attack][topic channel jamming
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attacks] mitigation has reached a point where it is good enough and encourages
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readers to try their simulator to test out attacks.
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readers to try their simulator to test out attacks. {% assign timestamp="9:28" %}
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## Changes to services and client software
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The open source [BULL mobile wallet][bull blog] is built on BDK and supports [descriptors][topic
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descriptors], [labeling][topic wallet labels], and coin selection, Lightning,
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[payjoin][topic payjoin], Liquid, hardware wallets, and watch-only wallets, among
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other features.
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other features. {% assign timestamp="37:22" %}
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- **Sparrow 2.3.0 released:**
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[Sparrow 2.3.0][sparrow github] adds support for sending to [silent
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payment][topic silent payments] addresses and [BIP353][] human-readable
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Bitcoin payment instructions, among other features and bug fixes.
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Bitcoin payment instructions, among other features and bug fixes. {% assign timestamp="39:40" %}
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## Releases and release candidates
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release candidates._
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- [Core Lightning 25.09.1][] is a maintenance release for the current major
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version of this popular LN node that includes several bug fixes.
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version of this popular LN node that includes several bug fixes. {% assign timestamp="40:47" %}
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- [Bitcoin Core 28.3][] is a maintenance release for the previous release series
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of the predominant full node implementation. It contains multiple bug fixes,
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and also includes the new defaults for `blockmintxfee`, `incrementalrelayfee`,
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and `minrelaytxfee`.
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and `minrelaytxfee`. {% assign timestamp="41:18" %}
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## Notable code and documentation changes
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mempool][topic cluster mempool] by introducing a `SingletonClusterImpl` type
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for single-transaction clusters and by compacting several `TxGraph` internals.
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This PR also adds a `GetMainMemoryUsage()` function to estimate `TxGraph`’s
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memory usage.
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memory usage. {% assign timestamp="43:00" %}
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- [Bitcoin Core #29675][] introduces support for receiving and spending
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[taproot][topic taproot] outputs controlled by [MuSig2][topic musig] aggregate
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keys on wallets with imported `musig(0)` [descriptors][topic descriptors]. See
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[Newsletter #366][news366 musig2] for the earlier enabling work.
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[Newsletter #366][news366 musig2] for the earlier enabling work. {% assign timestamp="45:56" %}
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- [Bitcoin Core #33517][] and [Bitcoin Core #33518][] reduce the CPU consumption
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of multiprocess logging by adding log levels and categories, which avoids
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serializing discarded inter-process communication (IPC) log messages. The
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author found that before this PR, logging accounted for 50% of his [Stratum
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v2][topic pooled mining] client application's CPU time and 10% of the Bitcoin
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node's processes. It has now dropped to near zero percent. See Newsletters
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[#323][news323 ipc] and [#369][news369 ipc] for additional context.
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[#323][news323 ipc] and [#369][news369 ipc] for additional context. {% assign timestamp="46:59" %}
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- [Eclair #2792][] adds a new [MPP][topic multipath payments] splitting
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strategy, `max-expected-amount`, which allocates parts across routes by
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capacity, and `randomize` (default), which randomizes the splitting. The
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latter two are already accessible through the boolean config
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`randomize-route-selection`. This PR adds enforcement of [HTLC][topic htlc]
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maximum limits on remote channels.
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maximum limits on remote channels. {% assign timestamp="49:01" %}
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- [LDK #4122][] enables queuing a [splice][topic splicing] request while the
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peer is offline, starting negotiation upon reconnection. For [zero-conf][topic
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zero-conf channels] splices, LDK now sends a `splice_locked` message to the
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peer immediately after `tx_signatures` are exchanged. LDK will also now queue
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a splice during a concurrent splice and attempt it as soon as the other one
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locks.
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locks. {% assign timestamp="51:01" %}
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- [LND #9868][] defines an `OnionMessage` type and adds two new RPC endpoints:
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`SendOnionMessage`, which sends an onion message to a specific peer, and
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`SubscribeOnionMessages`, which subscribes to a stream of incoming onion
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messages. These are the first steps required to support [BOLT12 offers][topic
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offers].
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offers]. {% assign timestamp="52:37" %}
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- [LND #10273][] fixes an issue where LND would crash when the legacy sweeper,
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`utxonursery`, attempted to sweep an [HTLC][topic htlc] with a
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[locktime][topic timelocks] (height hint) of 0. Now, LND successfully sweeps
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those HTLCs by deriving the height hint from the channel’s close height.
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those HTLCs by deriving the height hint from the channel’s close height. {% assign timestamp="53:48" %}
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{% include snippets/recap-ad.md when="2025-10-28 16:30" %}
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{% include references.md %}
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---
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title: 'Bitcoin Optech Newsletter #377 Recap Podcast'
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permalink: /en/podcast/2025/10/28/
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reference: /en/newsletters/2025/10/24/
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name: 2025-10-28-recap
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slug: 2025-10-28-recap
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type: podcast
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layout: podcast-episode
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lang: en
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---
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Gustavo Flores Echaiz and Mike Schmidt are joined by Abubakar Sadiq Ismail and Carla Kirk-Cohen to discuss [Newsletter #377]({{page.reference}}).
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{% include functions/podcast-links.md %}
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{% include functions/podcast-player.md url="https://d3ctxlq1ktw2nl.cloudfront.net/staging/2025-9-29/410193424-44100-2-e89aed24d449a.m4a" %}
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{% include newsletter-references.md %}
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## Transcription
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_transcription coming soon_
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{% include references.md %}

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