Dev Tools Guild April 2026 update

TL;DR: Support Vyper & Sourcify in Ethereum security QF round, Solidity 0.8.35 and Foundry 1.7.0.

Dev Tools Guild members

• TheDAO Security Fund Ethereum security quadratic funding round is live on Giveth, with a 500 ETH matching pool. Donate to Vyper and Sourcify.

Smart Contract Languages

Solidity

• Solidity v0.8.35: adds erc7201 comptime builtin, --experimental flag to gate in-development features, experimental SSA CFG codegen and deprecation warnings for upcoming 0.9.0 keywords.
• Solidity Developer Survey 2025 results:
  • Pain points: stack-too-deep 47%, bytecode size limits 33% and debugging 33%.
  • Dev framework usage: Foundry 57% and Hardhat 33%.
  • Client library usage: ethers.js 70%, viem 39% and wagmi 33%.

Vyper

• Vyper Chinese community launched.
• Charles Cooper: formal verification and the Holy Grail of software correctness (EthCC presentation).

Client Libraries

alloy (Rust)

• alloy v2.0.0 - v2.0.4.

viem (TypeScript)

• viem v2.47.10 - v2.48.4.
• wagmi v3.6.1 - v3.6.8.
• wagmi-swift and viem-swift ported to Swift by Backseats.

Frameworks and Dev Environments

Ape Framework

• Ape v0.8.49.

Foundry

• Foundry v1.7.0: parallelized stateless fuzzing, invariant optimization mode, Osaka default EVM hardfork, improved browser wallet support and immutable versioning.
• Forge Standard Library v1.16.0 - v1.16.1.

Scaffold-ETH

• SpeedRun Ethereum build prompts: project specs for AI agents to scaffold apps using Scaffold-ETH 2.
• SpeedRun Ethereum: Foundry support added for challenges 0 to 4.

Standardisation Tooling

Sourcify

• Kaan Uzdogan: how Sourcify is reshaping Ethereum contract security (ECH Institute podcast: ecosystem project demo).
• EVM Now (block explorer) using Sourcify dataset to show verified contract source code.

Ethereum Layer 1

Glamsterdam upgrade (target mid 2026)

• Headliners:
  • Consensus layer: EIP-7732 ePBS.
  • Execution layer: EIP-7928 Block-level Access Lists.

Hegotá upgrade (target late 2026)

• Headliners:
  • Consensus layer: EIP-7805 FOCIL (Fork-choice enforced Inclusion Lists).
  • Execution layer: no headliner selected.
• Non-headliner EIPs are being proposed for inclusion.

Ethereum Foundation (EF)

• Ecosystem Support Program:
  • Glamsterdam grants round includes dev tooling.
  • Q1 allocation: 57 projects shared $9.9M.
• Ethereum Protocol Fellowship:
  • EPF cohort 7, apply by May 13.
  • EPF cohort 6 recap.
• EF protocol support: Checkpoint #9.
• ETH Rangers Program recap: 17 recipients, $5.8M recovered/frozen, 785+ vulnerabilities reported, 100 state-sponsored operatives identified, 14 bugs found across major execution clients.

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Support Dev Tools Guild members by donating to donate.devtoolsguild.eth on mainnet, Arbitrum, Base and Optimism. Donations of all sizes are greatly appreciated.