News359: add topics

Author: harding

_topics/en/acc.md

@@ -67,6 +67,9 @@ optech_mentions:
   - title: Discussion about transaction weight limit in response to large BitVM transactions
     url: /en/newsletters/2025/06/06/#transaction-weight-limit-with-exception-to-prevent-confiscation
 
+  - title: "Improvments to BitVM-style contracts allowing disprove transactions to be just 200 bytes"
+    url: /en/newsletters/2025/06/20/#improvements-to-bitvm-style-contracts
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: "Merklize All The Things (MATT)"

_topics/en/attributable-failures.md

@@ -38,6 +38,9 @@ optech_mentions:
   - title: Discussion about whether attributable failures reduce LN privacy
     url: /en/newsletters/2025/05/30/#do-attributable-failures-reduce-ln-privacy
 
+  - title: "LDK #3817 puts attributable failures under a test-only flag until broader adoption is achieved"
+    url: /en/newsletters/2025/06/20/#ldk-3817
+
 ## Optional.  Same format as "primary_sources" above
 # see_also:
 #   - title:

_topics/en/musig.md

@@ -160,6 +160,9 @@ optech_mentions:
   - title: "Lightning Loop begins using MuSig2"
     url: /en/newsletters/2025/02/21/#lightning-loop-moves-to-musig2
 
+  - title: "Rust libsecp256k1 #798 completes its MuSig2 implementation"
+    url: /en/newsletters/2025/06/20/#rust-libsecp256k1-798
+
 ## Optional.  Same format as "primary_sources" above
 see_also:
   - title: Scriptless multisignatures

_topics/en/peer-storage.md

@@ -45,6 +45,9 @@ optech_mentions:
   - title: "Core Lightning #8140 enables peer storage of channel backups by default"
     url: /en/newsletters/2025/05/23/#core-lightning-8140
 
+  - title: "LDK #3623 extends its peer storage support to provide automatic and encrypted peer backups"
+    url: /en/newsletters/2025/06/20/#ldk-3623
+
 ## Optional.  Same format as "primary_sources" above
 # see_also:
 #   - title:

_topics/en/pooled-mining.md

@@ -92,6 +92,9 @@ optech_mentions:
   - title: "DMND pool launches Stratum v2 pooled mining"
     url: /en/newsletters/2025/03/21/#dmnd-launching-pooled-mining
 
+  - title: "Stratum v2 STARK proof demo for private block template fee reporting"
+    url: /en/newsletters/2025/06/20/#stratum-v2-stark-proof-demo
+
 ## Optional.  Same format as "primary_sources" above
 #see_also:
 #  - title: