Issues

• Upgrade to EDR v0.23.0

  dependency:edrstatus:triaging
  Task

  NomicFoundation/hardhat#8709 · Filter by author popescuoctavian opened on Oct 14, 2026
  

• Allow customizing Solidity root file discovery (e.g. to support .yul sources)

  NomicFoundation/hardhat#8702 · Filter by author Amxx opened on Oct 12, 2026
  

• Let plugins sign eth_sendTransaction after Hardhat fills it (KMS, HSM and hardware-wallet signers)

  NomicFoundation/hardhat#8656 · Filter by author aelmanaa opened on Oct 1, 2026
  1

  

• Prompts only receive the first line of piped input (e.g. hardhat keystore set in CI exits with code 13)

  NomicFoundation/hardhat#8654 · Filter by author aelmanaa opened on Sep 29, 2026
  

• Upgrade micro-eth-signer to v0.20

  status:needs-priority
  Task

  NomicFoundation/hardhat#8653 · Filter by author schaable opened on Sep 29, 2026

• Provide command line utilities

  type:epic
  Feature

  NomicFoundation/hardhat#8604 · Filter by author kanej opened on Sep 14, 2026
  

• ~1-1.6s of fixed JS startup on every Hardhat invocation

  NomicFoundation/hardhat#8563 · Filter by author Wodann opened on Aug 24, 2026
  

• Cold compiles use one core of 24 - raise solc job granularity

  NomicFoundation/hardhat#8562 · Filter by author Wodann opened on Aug 24, 2026

• Investigate if it possible to avoid passing ethers in Chai Matchers

  status:needs-decision
  Feature

  NomicFoundation/hardhat#8473 · Filter by author ChristopherDedominici opened on Jul 29, 2026

• Sequential hardhat test intermittently dies with exit 1 on a rejection that was actually handled

  Bug

  NomicFoundation/hardhat#8432 · Filter by author ChristopherDedominici opened on Jul 8, 2026
  3

• Support viem tokens in hardhat-viem

  _priority:P2
  Feature

  NomicFoundation/hardhat#8423 · Filter by author kanej opened on Jul 6, 2026
  

• Support the eth_config JSON-RPC method (EIP-7910)

  NomicFoundation/hardhat#8409 · Filter by author anaPerezGhiglia opened on Jun 24, 2026
  1

• address(console) internal library linking error

  NomicFoundation/hardhat#8404 · Filter by author kanej opened on Jun 17, 2026
  2

• Foundry to Hardhat Migration blockers

  NomicFoundation/hardhat#8347 · Filter by author kanej opened on May 28, 2026

• [Known Issue] Process crashes after Hardhat finished running

  type:bug
  Bug

  NomicFoundation/hardhat#8322 · Filter by author alcuadrado opened on May 21, 2026

• Stable release follow up

  type:epic
  Task

  NomicFoundation/hardhat#8318 · Filter by author kanej opened on May 21, 2026

• Reduce gaps in compilation and Solidity Test features

  type:epic
  NomicFoundation/hardhat#8309 · Filter by author kanej opened on May 18, 2026

• Build system performance improvements

  type:epic
  Task

  NomicFoundation/hardhat#8308 · Filter by author kanej opened on May 18, 2026

• npx hardhat compile module is not defined in ES module scope

  status:needs-more-info
  Bug

  NomicFoundation/hardhat#8307 · Filter by author xdevedeveloper opened on May 17, 2026
  1

  

• Follow-up work EIP-712 cheatcodes in Solidity Test

  status:needs-priority
  Task

  NomicFoundation/hardhat#8304 · Filter by author ChristopherDedominici opened on May 15, 2026
  

• docs: Hardhat 3 docs say 'Node v22 or later' but code enforces v22.13.0 (Docker/Alpine users hit confusing errors)

  Bug

  NomicFoundation/hardhat#8293 · Filter by author Alike001 opened on May 13, 2026
  3

• Optimize cold builds by adapting compilation job merging

  _priority:P1
  Feature

  NomicFoundation/hardhat#8244 · Filter by author kanej opened on May 5, 2026

• Add filesystem metadata caching to build system

  Feature

  NomicFoundation/hardhat#8239 · Filter by author kanej opened on May 5, 2026
  1

  

• Profile and iterate on Solidity Test preparation phase

  NomicFoundation/hardhat#8238 · Filter by author kanej opened on May 5, 2026

• Better support agents

  type:epic
  Task

  NomicFoundation/hardhat#8236 · Filter by author kanej opened on May 5, 2026