Meeting Notes 2024 09 16

LDK Releases

• 0.0.124
  • Just released!
• 0.1 (https://github.com/lightningdevkit/rust-lightning/milestone/1)
  • Still aiming for this to be the next release
• 0.1.1 (https://github.com/lightningdevkit/rust-lightning/milestone/17)
• 0.2 (https://github.com/lightningdevkit/rust-lightning/milestone/2)

LDK Node Release

• 0.4 (https://github.com/lightningdevkit/ldk-node/milestone/4)
  • Upgrade PR is up, upgrading LDK, BDK, rust-bitcoin, etc
  • Chain sync rewrite
  • Also have to do some stuff for VSS support alpha support
  • Some follow-ups, then will have the next release
  • Some stuff may get pushed to 0.5
• 0.5 (https://github.com/lightningdevkit/ldk-node/milestone/5)

Language bindings

• For swift, we have released the latest version last week
• Used this version to rerun a lot of RGS benchmarks on mac, iOS

Developer support

• We had a guide on fee estimation merged recently that Austin wrote
• Upcoming guide on probing as well in earlier draft
• Tnull spoke at baltic honeybadger on Bolt 12 and LDK node integration
• Should be a workshop at tabconf

Feature progress

• Async payments
  • Resumed progress on this now that 0.0.124 is out, the bulk of sending to async receivers is merged
  • Re: trampoline, there was an async payments request to distinguish between recipients that do and do not support trampoline
  • Now bastien has updated the spec, so he sent out a nice PDF that shows the different scenarios and discusses what all the payloads look like
  • Hopefully we should have some corresponding test vectors coming soon too
  • Arik working on updating serialization for this new spec
• RGS
  • Updated benchmarks
  • On server side, there is an open issue for updating deps for rust-bitcoin, LDK
• VSS
  • Some updates for supporting VSS merged in LDK Node
  • One more PR pending, hopefully will expose VSS bindings for building LDK Node in 0.4
• Dual funding
  • Close to getting accepting incoming DF channels merged, dunxen working on some tests
• Splicing

Open Q&A

• Eni got a grant from Btrust to contribute to LDK. mostly to learn more about rust-lightning
  • Recently opened a PR on LDK Node
• Willem: q on rounding for fee estimates