# Solana's Fee-Ordering Proposal Closes Unmerged, Leaving Leaders in Control of Inclusion

SIMD-0649 would have made priority order a block validity rule inside each entry batch, but reviewers noted that leaders still decide what enters a block and where batches end.

- Published: 2026-09-28T05:43:34.972Z
- Canonical: https://polylog.news/crypto/2026-09-28/solana-s-fee-ordering-proposal-closes-unmerged-leaving-leade
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/solanas-plan-for-fairer-trades-stalls-as-block-producers-still-choose-which-orders-get-in/)

A Solana proposal to constrain how block producers order transactions closed without being merged. SIMD-0649 would have made non-increasing priority order a block validity rule inside each entry batch, with priority calculated from the fee…

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