Newsletters: add 416 (2026-07-31)

_topics/en/attributable-failures.md

@@ -50,6 +50,9 @@ optech_mentions:
   - title: "LDK #3801 extends attributable failures to the payment success path"
     url: /en/newsletters/2025/07/25/#ldk-3801
 
+  - title: "BOLTs #1344 extends attributable failures to successful payments"
+    url: /en/newsletters/2026/07/31/#bolts-1344
+
 ## Optional.  Same format as "primary_sources" above
 # see_also:
 #   - title:

_topics/en/coin-selection.md

@@ -93,6 +93,9 @@ optech_mentions:
   - title: "Bitcoin Core #32150 rewrites the branch-and-bound algorithm to search more distinct candidates"
     url: /en/newsletters/2026/06/12/#bitcoin-core-32150
 
+  - title: "Difference between the long-term feerate and the discard feerate"
+    url: /en/newsletters/2026/07/31/#what-is-the-difference-between-the-long-term-feerate-and-the-discard-feerate
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: An Evaluation of Coin Selection Strategies

_topics/en/eclipse-attacks.md

@@ -86,6 +86,9 @@ optech_mentions:
   - title: "Bitcoin Core #29850 limits the max number of IP addresses accepted from an individual DNS seed"
     url: /en/newsletters/2024/04/24/#bitcoin-core-29850
 
+  - title: "Bitcoin Core #28463 raises default connection limit, reserves inbound slots for block-relay peers"
+    url: /en/newsletters/2026/07/31/#bitcoin-core-28463
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Anonymity networks

_topics/en/offers.md

@@ -144,6 +144,9 @@ optech_mentions:
   - title: "BLIPs #42 adds BLIP42, a specification for BOLT12 contacts"
     url: /en/newsletters/2026/05/22/#blips-42
 
+  - title: "Eclair #3325 accepts BOLT12 invoices with attached reply paths"
+    url: /en/newsletters/2026/07/31/#eclair-3325
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Blinded paths

_topics/en/onion-messages.md

@@ -107,6 +107,9 @@ optech_mentions:
   - title: "LND #10612 adds graph-based pathfinding for onion messages"
     url: /en/newsletters/2026/05/15/#lnd-10612
 
+  - title: "BOLTs #1343 adds a feature bit for accepting onion messages only from channel peers"
+    url: /en/newsletters/2026/07/31/#bolts-1343
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Blinded paths

_topics/en/output-script-descriptors.md

@@ -221,6 +221,9 @@ optech_mentions:
   - title: "BIPs #1548 adds BIP391, a closed specification for Binary Output Descriptors superseded by BIP393"
     url: /en/newsletters/2026/05/01/#bips-1548
 
+  - title: "Migrating a legacy wallet to a descriptor wallet on a pruned node"
+    url: /en/newsletters/2026/07/31/#what-is-the-quickest-method-for-migrating-a-legacy-wallet-to-a-descriptor-wallet-on-a-pruned-node
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Miniscript

_topics/en/proof-of-payment.md

@@ -52,6 +52,9 @@ optech_mentions:
   - title: "LDK #4685 moves BOLT12 verification nonce into payer metadata for compatibility with  payment proofs"
     url: /en/newsletters/2026/06/19/#ldk-4685
 
+  - title: "BOLTs #1346 specifies BOLT12 payer proofs"
+    url: /en/newsletters/2026/07/31/#bolts-1346
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Pay to contract

_topics/en/proof-of-reserves.md

@@ -39,6 +39,9 @@ optech_mentions:
   - title: "Kraken announces proof of reserves scheme"
     url: /en/newsletters/2022/02/16/#kraken-announces-proof-of-reserves-scheme
 
+  - title: "Proof of concept for a zero-knowledge proof of reserves"
+    url: /en/newsletters/2026/07/31/#proof-of-concept-for-a-zero-knowledge-proof-of-reserves
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: BIP322 signature proofs

_topics/en/psbt.md

@@ -252,6 +252,9 @@ optech_mentions:
   - title: "BIPs #2075 clarifies BIP174's description of how PSBTs are combined"
     url: /en/newsletters/2026/07/24/#bips-2075
 
+  - title: "Bitcoin Core #33014 verifies signatures before reporting a PSBT complete"
+    url: /en/newsletters/2026/07/31/#bitcoin-core-33014
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Output Script Descriptors

_topics/en/responsible-disclosures.md

@@ -196,6 +196,9 @@ optech_mentions:
   - title: "Nishant Bansal responsibly disclosed a gossip DoS vulnerability affecting LND"
     url: /en/newsletters/2026/06/26/#lnd-zero-timestamp-gossip-dos-disclosure
 
+  - title: "Chandra Pratap disclosed two memory-exhaustion DoS vulnerabilities in Core Lightning"
+    url: /en/newsletters/2026/07/31/#disclosure-of-two-dos-vulnerabilities-in-core-lightning
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: "Common Vulnerabilities and Exposures (CVEs)"

_topics/en/tapscript.md

@@ -109,6 +109,9 @@ optech_mentions:
   - title: "Proposal to embed post-quantum keys in tapscript without consensus changes"
     url: /en/newsletters/2026/05/01/#proposal-to-embed-post-quantum-keys-in-tapscript-without-consensus-changes
 
+  - title: "OP_SUCCESSx opcodes as generic tapscript upgrade hooks"
+    url: /en/newsletters/2026/07/31/#was-the-op-successx-reservation-in-bip342-designed-with-specific-opcode-families-in-mind
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Taproot

_topics/en/v2-p2p-transport.md

@@ -92,6 +92,9 @@ optech_mentions:
   - title: "Bitcoin Core #35766 defaults to v2 transport when connecting to addresses from seeds"
     url: /en/newsletters/2026/07/24/#bitcoin-core-35766
 
+  - title: "Why use ElligatorSwift encoding in BIP324?"
+    url: /en/newsletters/2026/07/31/#why-use-elligatorswift-encoding-in-bip324
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: BIP151

_topics/en/wallet-labels.md

@@ -57,6 +57,9 @@ optech_mentions:
   - title: "BTCPay Server #7457 adds importing of wallet labels in BIP329 format"
     url: /en/newsletters/2026/07/24/#btcpay-server-7457
 
+  - title: "BTCPay Server 2.4.1 ships BIP329 wallet label imports"
+    url: /en/newsletters/2026/07/31/#btcpay-server-2-4-1
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Output script descriptors