Autocomplete on MediaWiki.org and other sites with future MediaWiki version deployed shows without prompt on initial page load. In MediaWiki version deployed in other projects, it only shows when user starts typing in the field.
Tested in Firefox 67, Windows 8.1, and Chrome 74, Windows 10.
Bug present in future MediaWiki alpha:
- https://test.wikipedia.org/wiki/Special:Contributions/Iniquity
- https://www.mediawiki.org/wiki/Special:Contributions/Iniquity
Not present in current alpha: