Issues

• Implemented according tool within Claude.ai or alike ai LLm binary manual modes

  flashbots/rbuilder#881 · Filter by author J1939AZ-code opened on Feb 4, 2026

• Add support for epbs builder server following builder-spec for glamsterdam

  flashbots/rbuilder#877 · Filter by author faheelsattar opened on Jan 31, 2026

• [BUG] Flashbots Relayer [SEPOLIA]

  flashbots/rbuilder#862 · Filter by author alan-joshy opened on Jan 18, 2026
  1

• Create Docker images for releases

  flashbots/rbuilder#857 · Filter by author ferranbt opened on Jan 15, 2026
  1

• Parent header sometimes not found via hash lookup even after canonical commit in reth

  flashbots/rbuilder#853 · Filter by author iowar opened on Jan 9, 2026
  2

• A few questions regarding rbuilder

  flashbots/rbuilder#818 · Filter by author kexinoh opened on Nov 26, 2025
  4

• Abrupt loops stop

  bug
  flashbots/rbuilder#797 · Filter by author ZanCorDX opened on Nov 3, 2025
  1

• [Bug]: Cached state not loaded properly during conflict resolution

  flashbots/rbuilder#773 · Filter by author LuisVCorreia opened on Oct 20, 2025
  1

• max_bid_eth not parsed .. bids could exceed cap if coinbase funded

  flashbots/rbuilder#700 · Filter by author iowar opened on Sep 3, 2025

• bid_scraper_client EPROTO error with Builder Playground

  flashbots/rbuilder#683 · Filter by author emlautarom1 opened on Aug 15, 2025

• Update reth deps in fusaka/devnet-2 branch to use fusaka-devnet-2

  flashbots/rbuilder#654 · Filter by author bharath-123 opened on Jul 3, 2025

• Use PooledTransactionVariant instead of PooledTransaction to decode txs from their rlp encodings

  flashbots/rbuilder#653 · Filter by author bharath-123 opened on Jul 3, 2025
  1

• Add fuzz test to validate the sparse merkle trie

  flashbots/rbuilder#638 · Filter by author ferranbt opened on Jun 2, 2025
  

• Support RISC-V

  flashbots/rbuilder#630 · Filter by author come-maiz opened on May 23, 2025

• Incorrect releases assets

  flashbots/rbuilder#625 · Filter by author bayardar opened on May 21, 2025
  1

• Test test_fetcher_retrieves_transactionshangs forever

  flashbots/rbuilder#623 · Filter by author diyahir opened on May 19, 2025

• docs: Incorrect comment for independent_bid_threshold in SubmissionConfig

  flashbots/rbuilder#612 · Filter by author 164zheng opened on May 6, 2025

• Replace SubmitBlockRequest with alloy's SubmitBlockRequest

  flashbots/rbuilder#611 · Filter by author mattsse opened on May 6, 2025
  1

• Mismatch Between rpc_server.rs Logic and Flashbots Relay Docs

  flashbots/rbuilder#607 · Filter by author EnoRage opened on May 1, 2025

• root_hash_use_sparse_trie=true and root_hash_compare_sparse_trie=false must be set

  flashbots/rbuilder#589 · Filter by author ohko4711 opened on Apr 25, 2025
  2

• book: Start building the rbuilder book

  flashbots/rbuilder#582 · Filter by author Hunter-Plus opened on Apr 24, 2025

• FR: have an upstream docker image for rbuilder

  flashbots/rbuilder#559 · Filter by author barnabasbusa opened on Apr 14, 2025
  1

• Handle new relay error messages

  flashbots/rbuilder#497 · Filter by author dvush opened on Mar 13, 2025

• DB open error (MDBX “unknown error code: 11”) when running rbuilder separately from reth

  flashbots/rbuilder#484 · Filter by author iowar opened on Mar 11, 2025
  7

• Add support to simulate Reorgs in Op CL tester

  A-e2e
  flashbots/rbuilder#472 · Filter by author ferranbt opened on Mar 6, 2025