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This release named by @nepet.

WARNING: Due to experimental protocol upgrades, --experimental-splicing is incompatible with previous CLN versions! You will not be able to reestablish channels with older nodes at all, if this is enabled! If you have CLN peers with the experimental splicing feature, consider disabling this option until they upgrade to support the latest draft spec.

Features for Users

  • Reduced latency of commit and revoke messages.
  • Reckless can update existing reckless-installed plugins via reckless update.
  • Fixed routing of AskRene via high capacity channels.
  • More accurate anchor fees.

Features for Developers

  • listhtlcs pagination support with index, start and end parameters.
  • The wait api now supports the listhtlcs subsystem.
  • The beginnings of LSPS client and server plugins so far implementing the LSPS0 transport protocol.
  • New signmessagewithkey rpc to sign input messages with our wallet keys
  • sendonion is now compatible with sendpay with addition of total_amount_msat parameter.

Protocol Updates

  • Peer storage graduates from experimental to default feature while bringing performance improvements.
  • Splicing interoperability with Eclair and splice RBF capability.

Since 25.02, we've had 338 commits in 103 days by 22 authors, including five new ones:

  • Erick Cestari
  • Zen
  • Jiri Jakes
  • Boris Nagaev
  • 21M4TW

See the [changelog](https://github.com/ElementsProject/lightning/blob/v25.05/CHANGELOG.md#2505 for full details.

Thank you from the Core Lightning Team: @endothermicdev, @rustyrussell, @cdecker, @nepet, @ShahanaFarooqui, and @niftynei.

Source: README.md, updated 2025-06-16