When I click on update icon on menu bar(Apple computer) , version 24 is shown

My current version of Libre Office is

I’ve been using the stable versions(7.X). When the update icon appears on the menu bar & I click it, it tells me that version 24 is available. I think that it was Wikipedia that showed the time line. The stable version(7.6) ends & right next to it is version 24 on the same time line. What’s going on?

I wish that I could insert the picture of the time line but I can’t.

Here’s the URL: LibreOffice - Wikipedia

Will there be only one version of Libre Office from now on, that is, version 24.X?

Can I install version 24 over version without stability problems?

OK, thank you for the clarification.

I understand better the versioning.