Manual:$wgEnableAsyncUploadsByURL/en

From Linux Web Expert

<translate> Files and file uploads</translate>: $wgEnableAsyncUploadsByURL
Enable the async processing of upload by url in Special:Upload.
<translate> Introduced in version:</translate>1.42.0 (Gerrit change 1007344; git #cfa7ed13)
<translate> Removed in version:</translate><translate> still in use</translate>
<translate> Allowed values:</translate><translate> Unspecified</translate>
<translate> Default value:</translate>false

Details

Enable the async processing of upload by url in Special:Upload. Only works if $wgEnableAsyncUploads is also enabled.