Issues

• Silent miscompilation of raw Yul that uses the 0x80 heap base without memoryguard (stack-spill region collides with program memory) under --yul

  bug
  NomicFoundation/solx#845 · Filter by author HugoDowsers opened on Oct 17, 2026
  1

  

• Set the +osaka target feature so clz selects CLZ at --evm-version osaka

  NomicFoundation/solx#844 · Filter by author hedgar2017 opened on Oct 14, 2026
  

• debugSymbols lacks struct definitions, so Hardhat's EIP-712 cheatcodes fail under slang

  feat
  NomicFoundation/solx#813 · Filter by author nebasuke opened on Oct 9, 2026

• Hardhat runs of the slang compiler have no Solidity stack traces

  NomicFoundation/solx#806 · Filter by author nebasuke opened on Oct 7, 2026

• Standard JSON and CLI gaps against solc

  NomicFoundation/solx#774 · Filter by author nebasuke opened on Oct 1, 2026

• In-process compile for single-unit jobs

  compilation time
  NomicFoundation/solx#736 · Filter by author hedgar2017 opened on Sep 23, 2026
  

• Vendor pre-generated ODS output in the melior fork and solx-mlir — get tblgen out of proc-macro expansion for good

  refactoring
  NomicFoundation/solx#622 · Filter by author nebasuke opened on Jul 30, 2026

• Feasibility study of memory safety static analysis of inline assembly

  research
  NomicFoundation/solx#604 · Filter by author hedgar2017 opened on Jul 24, 2026

• Windows: freshly-built melior-macro proc-macro fails to load (E0463) — rustc's stale bundled libwinpthread-1.dll shadows MSYS2's GCC-16 runtime

  build
  NomicFoundation/solx#589 · Filter by author nebasuke opened on Jul 22, 2026

• Windows: fresh llvm-sys builds cannot link against the bundled static libstdc++.a under MSYS2 GCC 16 — CI is one cache-fingerprint change from breaking

  build
  NomicFoundation/solx#550 · Filter by author nebasuke opened on Jul 15, 2026

• Optimize addmod/submod chains by deferring modular reduction

  gas efficiency
  Feature

  NomicFoundation/solx#452 · Filter by author PavelKopyl opened on May 18, 2026

• Add CLI option to reserve a fixed memory region at the start of the Solidity free-memory area

  feat
  Feature

  NomicFoundation/solx#451 · Filter by author PavelKopyl opened on May 18, 2026
  2