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Support payments for less than the total MPP value#4373

Merged

TheBlueMatt merged 8 commits intolightningdevkit:mainlightningdevkit/rust-lightning:mainfrom

TheBlueMatt:2026-02-partial-mpp-paymentsTheBlueMatt/rust-lightning:2026-02-partial-mpp-paymentsCopy head branch name to clipboard

Feb 24, 2026

Conversation Commits8 (8)Checks Files changed

Merged

Support payments for less than the total MPP value#4373
TheBlueMatt merged 8 commits intolightningdevkit:mainfrom
TheBlueMatt:2026-02-partial-mpp-payments

Commits

Commits on Feb 20, 2026

Validate the `Router` is meeting MPP and max-fee limitations given
TheBlueMatt
committed
Include MPP payment amount in `RecipientOnionFields`
TheBlueMatt
committed
Replace existing MPP-total args with `RecipientOnionFields`
TheBlueMatt
committed
Add total-MPP-value storage in pending payments
TheBlueMatt
committed
Allow BOLT 11 payments to be a part of a larger MPP payment
TheBlueMatt
committed
Add a pending changelog entry to note new backwards incompat
TheBlueMatt
committed
Require `RecipientOnionFields` in the claimable HTLC pipeline
TheBlueMatt
committed
Drop `total_msat` from individual `ClaimableHTLC`s
TheBlueMatt
committed

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