If you upgrade your TYPO3 installation from one major version to another (e.g. {currentVersion - 1} LTS to {currentVersion} LTS), then the Upgrade Wizards guide you through the necessary steps to upgrade your database records or explicitly install extensions that ship with the latest TYPO3 version.

The default database charset of the main MySQL database is not utf-8.
You have to run this update wizard before you can run any other update wizard to make sure new tables and fields are created with the correct charset.
WARNING: This will NOT convert any existing data.

There are tables or fields in the database which need to be created.
You have to run this update wizard before you can run any other update wizard to make sure all needed tables and fields are present.

Upgrade status

Progress of upgrade wizards:

0%

{updateData.title}

{updateData.description}

Wizards marked as done

Some wizards fully automatically check whether they should be executed, while others just set a flag in the system registry if they have been executed once. This "I have been executed" flag can be reset by selecting specific wizards from the list below, so the according wizards show up as possible upgrade wizards again.