October 2025 monthly summary for the agglayer/e2e and 0xPolygon/kurtosis-cdk repositories. Delivered end-to-end verifier and network prover flow, added testing support with a mock prover, and restored real-network bridge capabilities. Modernized the developer workflow to a Docker-based process with Kurtosis mainline, improving repeatability and deployment readiness. Expanded EIP implementations and L2 RPC enablement with upgrade scaffolding and backward-compatibility enhancements. Strengthened code quality and infrastructure with linting, testing inventories alignment, and robust deployment/configuration workflows. Business value: faster feature validation, safer upgrades, and more reliable operational pipelines across both repos.

September 2025 highlights focused on stabilizing end-to-end testing, advancing governance and deployment readiness, and expanding multi-network test coverage across agglayer/e2e and 0xPolygon/kurtosis-cdk. Delivered a robust test infrastructure, standardized setup conventions, and updated artifacts and dashboards to support RC7 releases and governance integration. The month saw significant improvements in test reliability, reduced maintenance overhead through shared utilities, and tangible progress toward scalable governance and deployment workflows.

Summary for August 2025: Agglayer/e2e delivered substantial feature delivery and reliability improvements that strengthen EVM compatibility, governance controls, and deployment readiness. Business value was gained through broader EIP support, improved test coverage, and robust admin capabilities, reducing production risk and accelerating rollout of new capabilities. Key features delivered: - EIP-7702 support with test authorization improvements (commits: 3938ed936077bafdaa3d9d723e191f67bfd1864e; c57a0d1b9c2e27e91efc5c58125d9a412cb484d6) - EIP-7685 implementation and test name fix (commits: 542fc7e16c16f312c63c0df5eaa037ce5b0eb490; c14f1091891f701d5f7b7d8c69a1b553b691e1b6) - EIP-7691 introduction (commit: 68f335faa6cb26f05b2ed33798261aae4585a8ef) - Agglayer admin endpoints tests and admin capability to set the latest Proven Certificate (commits: 72a54bc8c07711a79fe3ca22bbdb42b0385fe9d3; d12b9279dc4fd55e0b2020174cab6a57a04373b1; 4a136573f74943dd7709083c073f52786fd81108) - Script for attaching PoS to Agglayer and code quality/maintainability improvements (commits: 9238ae45ec4de3b7fec9606dc7f1557e656ea61c; ShellCheck fixes: 68dedaef06f81ab4a660765200fda912c0a2d597; e5333921c169b6e09fc00c2bd5c879d32ed0dcc5; e1f6bafad7553a7d03ff68774a5af5e89cd29dda; readability: 4aad2fe9983e8968740bb068eef676eaa9ee2bc3; environment-driven config: a134a37d7fffb89976659e1251f9cbcbcfddb886; README updates: 743fed5dc603add619150fae67f9a2f91593bbfb; 230718b92eadb47207e0a4ea4df9f843109888ad; readme updates) Major bugs fixed: - Resolved EIP-7702 test authorization issues (commits: c57a0d1b9c2e27e91efc5c58125d9a412cb484d6; 3938ed936077bafdaa3d9d723e191f67bfd1864e) - Fixed EIP-7685 test name discrepancies (commits: c14f1091891f701d5f7b7d8c69a1b553b691e1b6; 542fc7e16c16f312c63c0df5eaa037ce5b0eb490) - Miscellaneous test defects and small fixes captured in maintenance batch (e.g., admin/test tagging, readme correctness) (commit: 24efdb5d67ef0bf9a01d9dc7a8bf51649957c308; cb077139b65bd9fb3b1ff5b04d5c9f8385b0c406; 1b8ff45dddca3763620715878d4f8d9ffd219aac) Overall impact and accomplishments: - Expanded EVM/EIP compatibility, enabling broader use of Agglayer in production and tests, accelerating feature adoption. - Strengthened governance and admin controls with tested admin endpoints and certificate management, improving security posture. - Improved deployment reliability and developer productivity through environment-driven configuration, PoS tooling, and code quality improvements. README documentation now reflects latest changes, aiding onboarding and maintenance. Technologies/skills demonstrated: - EIP integration and test automation, shell scripting, and PoS tooling - ShellCheck-driven code quality and linting, readability improvements - Environment-driven configuration, dynamic portal addressing, and robust admin APIs - End-to-end testing coverage and maintenance tagging for admin endpoints

July 2025 performance summary: Delivered end-to-end testing suites and security improvements across agglayer/e2e and Kurtosis CDK, significantly increasing test coverage for critical EIPs, strengthening deployment reliability, and enabling safer release cycles. Key outcomes include robust Gas Token Bridge end-to-end tests, comprehensive EIP-2537 precompile testing, EIP-2935 historical block hash serving validations, EIP-7623 calldata-cost validations and test environment improvements, JSON2Http service for contract artifacts with security-hardening, and deployment resilience for Gunicorn startup on legacy images. Collectively, these efforts reduce production risk, accelerate change validation, and demonstrate strong technical breadth across scripting, testing, security, and deployment domains.

June 2025 was focused on accelerating inter-chain testing readiness, sovereign rollup deployment automation, and stability improvements across the multi-repo stack. Key outcomes include a repeatable outpost attachment scenario and L2 deployment for agglayer/e2e, enabling seamless integration with Polygon AggLayer and providing an end-user README for setup. L2↔L1 bridge testing robustness was enhanced with randomized wallets and dual-address transactions to improve coverage. Gas token provisioning was hardened with a zero-address deployment path, and sovereign rollups saw automated genesis parameter population via jq to inject rollupManagerAddress, rollupID, and gasTokenAddress. The ZK-EVM tooling stack was modernized with a Docker image upgrade and cleanup, and shell/script quality was improved through linting hygiene. These changes reduce deployment friction, improve test reliability, and strengthen observability across the deployment pipeline.

April 2025 monthly summary for 0xPolygon/kurtosis-cdk: Delivered a stability-focused update to the testing environment by disabling op-proposer and op-challenger in the op-succinct test chain, improving CI reliability and reducing flakiness. All changes are isolated to test infra and traceable via a single commit. This aligns with business goals of faster feedback loops, more deterministic tests, and easier maintenance of the Kurtosis CDK test suite.

March 2025 monthly summary highlighting Kurtosis CDK work focused on delivering robust Anvil integration for OP Stack deployments and enabling flexible predeployed-genesis workflows for Optimism deployments. The month emphasized reliability, automation, and broader L1 compatibility to accelerate deployment cycles and reduce manual steps.

February 2025 monthly summary for 0xPolygon/kurtosis-cdk focusing on delivering robust L1 integration, expanding failure simulation, and stabilizing CI. Key results include Anvil L1 development enhancements, L1 failure simulation framework, Erigon startup stability fix, CI/script robustness improvements, and a new bridge_spammer service for L1-L2 activity testing. These deliverables improved test coverage, safety of reorgs, and operational reliability, enabling faster validation of L1/L2 interactions and more deterministic CI feedback.

January 2025 monthly summary for 0xPolygon/kurtosis-cdk: Focused on automating upgrade workflows, enabling robust L1 RPC testing, and enhancing remote access configurability to improve deployment reliability, observability, and integration with external services. No separate major bugs recorded in this period; the work emphasized automation, testing infrastructure, and clear documentation to accelerate future changes.

December 2024 Monthly Summary: Delivered robust CLI tooling and infra orchestration improvements across two repos, focusing on features that enable easier bytecode wrapping, resilient input handling, and configurable UI deployment. The work emphasizes business value through automation, reliability, and developer productivity, reducing manual steps and startup risk for production systems.

November 2024: Stabilized cryptographic modular exponentiation path in okx/xlayer-erigon. No new user-facing features this month; major work focused on a critical bug fix that ensures correct padding for partial base/exp/modulus and handles modulus bit length zero, improving reliability and correctness in production.