Bug #95703
Updated by Oliver Hader about 3 years ago
In a Composer-based setup, the root composer.json package is listed as extension.
This behavior is triggered by having @extra->typo3/cms@ section defined (not matter which properties exactly) like the following:
<pre>
"extra": {
"typo3/cms": {
"web-dir": "public"
}
},
</pre>
Removing this section completely from the root composer.json (@web-dir: public@ is the default behavior) removes the listing in extension manager as well.