Issues

• Version all spine messages with flux versioned-types

  enhancement
  gattaca-com/helix#594 · Filter by author louisponet opened on Sep 15, 2026

• getPayload for a block we never served returns 500 after holding the request ~600ms

  bug
  gattaca-com/helix#592 · Filter by author 0w3n-d opened on Sep 11, 2026

• Gloas (ePBS) support in the ethrex builder's merging role

  enhancement
  gattaca-com/helix#576 · Filter by author 0w3n-d opened on Sep 4, 2026

• Merge builder counts order announcements, not distinct orders, against the per-slot budget

  bug
  gattaca-com/helix#567 · Filter by author 0w3n-d opened on Sep 2, 2026

• Hydration failures and builder submission timeouts cannot be attributed from the logs

  enhancement
  gattaca-com/helix#563 · Filter by author 0w3n-d opened on Sep 1, 2026

• Gloas support across the ethrex builder's three roles

  enhancement
  gattaca-com/helix#561 · Filter by author 0w3n-d opened on Sep 1, 2026

• Remove sticky simulator selection: the cache it serves was never built

  refactor
  gattaca-com/helix#551 · Filter by author 0w3n-d opened on Aug 31, 2026

• Add a block-building role to helix-builder

  enhancement
  gattaca-com/helix#550 · Filter by author 0w3n-d opened on Aug 31, 2026

• FromRow impls are untestable because tokio_postgres::Row cannot be constructed

  refactor
  gattaca-com/helix#546 · Filter by author 0w3n-d opened on Aug 31, 2026

• Eight Postgres integration tests are orphaned dead code, and hang when wired in

  bug
  gattaca-com/helix#545 · Filter by author 0w3n-d opened on Aug 31, 2026

• Move expected-behaviour warns/errors into per-slot counters so ERROR means urgent

  refactor
  gattaca-com/helix#542 · Filter by author 0w3n-d opened on Aug 31, 2026

• get_payload returns InternalServerError ~5.1k/day with no diagnostic log

  bug
  gattaca-com/helix#541 · Filter by author 0w3n-d opened on Aug 31, 2026

• S3 archive uploads fail ~58k/day with no retry

  bug
  gattaca-com/helix#540 · Filter by author 0w3n-d opened on Aug 31, 2026

• Ring buffer overruns silently drop submissions and sim results

  bug
  gattaca-com/helix#539 · Filter by author 0w3n-d opened on Aug 31, 2026

• Relay forwards mergeable blocks for past slots and activates never-stored base blocks (2.23M rejects/day)

  bug
  gattaca-com/helix#538 · Filter by author 0w3n-d opened on Aug 31, 2026

• Sim tile hydration cache is fed too late, dropping ~632k simulations/day

  bug
  gattaca-com/helix#537 · Filter by author 0w3n-d opened on Aug 31, 2026

• Merged-block payment is credited from calldata, not from effect

  bug
  gattaca-com/helix#533 · Filter by author 0w3n-d opened on Aug 29, 2026

• helix-builder simulation role: ethrex-based block validation alongside helix-simulator

  enhancement
  gattaca-com/helix#527 · Filter by author 0w3n-d opened on Aug 27, 2026

• ChainHead never sends a corrective SlotUpdate after an incomplete first send

  bug
  gattaca-com/helix#525 · Filter by author 0w3n-d opened on Aug 27, 2026

• Block-merging unbundling check flags false positives from base-block content

  bug
  gattaca-com/helix#523 · Filter by author 0w3n-d opened on Aug 26, 2026

• Flaky/slow test_duration_into_slot in helix-types::clock

  bug
  gattaca-com/helix#521 · Filter by author 0w3n-d opened on Aug 26, 2026

• V1 get_payload can leak the unblinded payload late enough for a proposer to unbundle MEV

  bug
  gattaca-com/helix#519 · Filter by author 0w3n-d opened on Aug 25, 2026
  

• Gloas (ePBS) support in helix-simulator

  enhancement
  gattaca-com/helix#518 · Filter by author 0w3n-d opened on Aug 25, 2026
  1

• Simulate merged blocks and disable block merging on builder-attributable sim failures

  enhancement
  gattaca-com/helix#500 · Filter by author 0w3n-d opened on Aug 24, 2026
  

• crates/admin fails to compile on a fresh checkout: dist/ is fully gitignored

  gattaca-com/helix#492 · Filter by author 0w3n-d opened on Aug 21, 2026