A disadvantage is of course the performance impact.
Vincent Massol on 30/Jan/26 11:02
It should be noted that this is almost a regression caused by XWIKI-12608: we used to display the "doc.name" column and when we do so the LT display the language next to the name, in parenthesis (see https://github.com/xwiki/xwiki-platform/blob/397f143e918f70e92beb367d6e876effb25bdc2d/xwiki-platform-core/xwiki-platform-livetable/xwiki-platform-livetable-ui/src/main/resources/XWiki/LiveTableResultsMacros.xml#L318-L318). When XWIKI-12608 replaced "doc.name" with "doc.location" this was lost and now the user sees a duplicate :)
A quick workaround is to add the "unique" filter to the LT by default, at https://github.com/xwiki/xwiki-platform/blob/fd2fb6dc14efa0b37e1722df4d73564bc3cbc3a2/xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/macros.vm#L126-L126
Note that would still potentially have an issue with the date displayed since it could display the wrong doc; for example if a doc has a default of "en" and a "fr" translation, the one displayed will be either the default doc or fr translation and if it's the "en" one displayed the date will not be the expected one.
See http https://markmailwww.mail-archive.com/devs@xwiki.org/message/i2mdm7kse3mrui3wmsg31533.html for a brainstorming about the issue.
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