---
title: "Migration"
manual: "Code Highlight"
version: "main"
permalink: "https://docs.typo3.org/permalink/brotkrueml/codehighlight:migration@main"
source: "Migration/Index.rst"
rendered: "2026-10-12T15:16:44+00:00"
---

# Migration {#migration}

Target group: **Integrators,Developers**

## From version 3.x to 4.0 {#from-version-3-x-to-4-0}

No migrations necessary.

## From version 2.x to 3.0 {#from-version-2-x-to-3-0}

The template of the content element changed. If you copied and adjusted it,
please have a look into the new template shipped by the extension and adjust
your custom one accordingly.

## From version 1.1 to 2.0 {#from-version-1-1-to-2-0}

The TypoScript settings

-   `tt_content.tx_codehighlight_codesnippet.settings.commandLine.defaultServerHost` and
-   `tt_content.tx_codehighlight_codesnippet.settings.commandLine.defaultServerUser`

respectively the Constant Editor settings for defining a default host and
default user on the command line are moved into the
[site configuration](https://docs.typo3.org/permalink/brotkrueml/codehighlight:site-configuration@main). Please remove the mentioned
settings and adjust your site configuration accordingly.