Issues

• Compiler panic on a const comparing snapshots of a type with a user PartialOrd

  starkware-libs/cairo#10398 · Filter by author FlashWayne opened on Sep 28, 2026
  1

• [Revised] Cairo v2.20.0: untrusted-input host-process crashes in cairo-execute, sierra-compile, and cairo-format

  starkware-libs/cairo#10369 · Filter by author sssorman opened on Sep 3, 2026

• bug: Non-contiguous circuit input indices crash compiler

  bug
  starkware-libs/cairo#10138 · Filter by author researchzero-sec opened on Jun 21, 2026

• bug: must_use on impl methods silently ignored

  bug
  starkware-libs/cairo#10134 · Filter by author researchzero-sec opened on Jun 20, 2026
  2

• bug: (E2313 is bypassed) trait coherence incorrectly accepts two impls of Trait<const K: felt252> for equivalent K across impls

  bug
  starkware-libs/cairo#9933 · Filter by author anon-researchers-123 opened on May 15, 2026

• bug: Compiler ICE in cairo-lang-sierra-generator-2.18.0/src/db.rs:370:9 on .span() of any fixed-size array of zero-sized type

  bug
  starkware-libs/cairo#9896 · Filter by author anon-researchers-123 opened on May 6, 2026

• bug: Compiler stack overflow crashes on 9 different expression patterns (~420-500 nodes)

  bug
  starkware-libs/cairo#9800 · Filter by author chamitro opened on Mar 29, 2026
  3

• bug: Compiler stack overflow crash on deeply nested expressions (~450+ levels)

  bug
  starkware-libs/cairo#9755 · Filter by author chamitro opened on Mar 19, 2026
  3

• bug: Hexadecimal inputs (0xff) silently accepted without documentation

  bug
  starkware-libs/cairo#9750 · Filter by author chamitro opened on Mar 17, 2026
  1

• # bug: Negative zero (-0) silently accepted as valid input

  bug
  starkware-libs/cairo#9749 · Filter by author chamitro opened on Mar 17, 2026
  1

• # bug: Leading zeros in input arguments silently accepted

  bug
  starkware-libs/cairo#9748 · Filter by author chamitro opened on Mar 17, 2026
  1

• bug: Values exceeding BN254 field prime accepted without warning (cross-system risk)

  bug
  starkware-libs/cairo#9747 · Filter by author chamitro opened on Mar 17, 2026
  1

• bug: Negative input arguments silently accepted and converted to field elements

  bug
  starkware-libs/cairo#9746 · Filter by author chamitro opened on Mar 17, 2026
  1

• feat: Add ToSpanTrait to Spans

  enhancement
  starkware-libs/cairo#9063 · Filter by author bengineer42 opened on Dec 12, 2025
  3

• feat: u252 implementation

  enhancement
  starkware-libs/cairo#8771 · Filter by author bal7hazar opened on Nov 26, 2025
  3

• feat: Better ByteArray manipulation and reading

  enhancement
  starkware-libs/cairo#7991 · Filter by author adambor opened on Jul 17, 2025
  1

• Misleading errors when trying to write on a contract using self: @ContractState

  bug
  starkware-libs/cairo#7822 · Filter by author feltroidprime opened on Jun 6, 2025
  3

• Faster compilation times

  starkware-libs/cairo#7611 · Filter by author ob1337 opened on Apr 7, 2025
  1

• Better impl missing implementations Diagnostics (what caused the failure of an impl)

  starkware-libs/cairo#7610 · Filter by author orizi opened on Apr 7, 2025

• Tuple Structs

  starkware-libs/cairo#7609 · Filter by author orizi opened on Apr 7, 2025
  2

  

• Tuple member style access (.0, .1, .2 and so on)

  starkware-libs/cairo#7608 · Filter by author orizi opened on Apr 7, 2025
  

• reduced contract sizes

  starkware-libs/cairo#7607 · Filter by author ob1337 opened on Apr 7, 2025
  2

• feat: Make IntoCircuitInputValue trait and associated utils (into_u96_guarantee) public in circuit.cairo

  enhancement
  starkware-libs/cairo#7581 · Filter by author feltroidprime opened on Apr 3, 2025
  2

• Incremental compilation

  roadmap
  starkware-libs/cairo#7053 · Filter by author ArielElp opened on Jan 12, 2025
  1

• feat: ByteArray should impl Hash trait

  enhancement
  starkware-libs/cairo#7015 · Filter by author tdelabro opened on Jan 7, 2025
  3