---
title: "Deprecation: #78668 - TypoScript option config.mainScript"
manual: "TYPO3 Core Changelog"
version: "main"
permalink: "https://docs.typo3.org/permalink/changelog:deprecation-78668"
source: "Changelog/8.5/Deprecation-78668-TypoScriptOptionConfigmainScript.rst"
typo3-version: "8.5"
typo3-major: 8
type: "deprecation"
issue: 78668
forge: "https://forge.typo3.org/issues/78668"
tags: ["TypoScript", "Frontend"]
rendered: "2026-09-20T05:05:02+00:00"
---

# Deprecation: #78668 - TypoScript option config.mainScript {#deprecation-78668}

See [forge#78668](https://forge.typo3.org/issues/78668)

## Description {#description}

The TypoScript option `config.mainScript` allows to set the frontend entrypoint from "index.php" to something else, and is respected
when links are built, but not when e.g. previewing a page from the backend. This option has been marked as deprecated.

## Impact {#impact}

Setting this TypoScript option will trigger a deprecation log entry in the admin panel.

## Affected Installations {#affected-installations}

Any installation using this TypoScript option.