---
title: "typo3-project-upgrade"
description: "Skill for upgrading deployed TYPO3 project instances across major LTS versions"
canonical: https://agentpluginsdirectory.com/plugins/typo3-project-upgrade
last-updated: 2026-09-22
---

# typo3-project-upgrade
Skill for upgrading deployed TYPO3 project instances across major LTS versions
- Slug: typo3-project-upgrade
- Publisher: Netresearch DTT GmbH
- Repository: https://github.com/netresearch/typo3-project-upgrade-skill
- Manifest: plugin.json
- Version: 1.4.2
- License: (MIT AND CC-BY-SA-4.0)
- Category (editorial): devops-cloud
- Skills: 1 (typo3-project-upgrade)
- MCP servers: 0
- Stars: 2
- Repository created: 2026-03-15
- Repository last pushed: 2026-09-21
- Publisher type: Organization
- Listing: https://agentpluginsdirectory.com/plugins/typo3-project-upgrade
- Schema: https://agent-plugins.org/schemas/1.0.0/plugin.schema.json

## What typo3-project-upgrade does, in the publisher's words

Claude Code skill for upgrading deployed TYPO3 project instances across major LTS versions.

This skill covers project-level upgrades: the deployed website, its configuration, templates, infrastructure, and database. For upgrading extension code to new TYPO3 APIs, use typo3-extension-upgrade.

- sys_template → Site Sets: Migrating TypoScript constants/config to TYPO3 v13+ site set YAML files
- SCSS Variable Injection: Using Bootstrap Package's ScssParser to override BS5 variables without CSS hacks
- Bootstrap 4 → 5 Migration: color-contrast, link-decoration, frame custom properties, navbar changes
- Bootstrap Package v12→v16: Navigation split link/button, dropdown-hover removal, position:sticky, known bugs
- Infrastructure: ImageMagick in Docker, GFX configuration, processed file regeneration
- Database Cleanup: sys_template deletion, FlexForm updates, stale record cleanup

From the project README, punctuation lightly normalized. Full text: https://raw.githubusercontent.com/netresearch/typo3-project-upgrade-skill/HEAD/README.md

## Skills

- typo3-project-upgrade: Use when upgrading a deployed TYPO3 project/instance to a new LTS version (v14.3 LTS is the current target, released 2026-04-21), migrating site configuration, TypoScript, templates, Docker infrastructure, and database. Includes #109585 post-upgrade wizard and Camino theme migration. Not for exten…

Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.