TYPO3 Core Contributions

Guide for contributing to TYPO3 Core: Forge issues, Gerrit patches, CI debugging, and review workflows.

When to Use

• Forge issue analysis or creation (forge.typo3.org/issues/*)
• Patch submission, CI debugging, Gerrit review workflow
• Commit message formatting, cherry-picks, rebasing

Prerequisites

Run ${CLAUDE_SKILL_DIR}/scripts/verify-prerequisites.sh to check: TYPO3.org account, Gerrit SSH (ssh -p 29418 <user>@review.typo3.org), Git email matching Gerrit. See references/account-setup.md.

Workflow

1. Setup: Account + environment (${CLAUDE_SKILL_DIR}/scripts/setup-typo3-coredev.sh, references/ddev-setup-workflow.md)
2. Branch: git checkout -b feature/<issue>-description
3. Analyze: Understand root cause, reproduction steps, affected versions before coding