Planning for Mini-Migration - Joomla 3.10.x to 4.x
From Joomla! Documentation
This article is tagged because it NEEDS UPDATING. You can help the Joomla! Documentation Wiki by contributing to it.
More pages that need help similar to this one are here. NOTE-If you feel the need is satistified, please remove this notice.
This article is actively undergoing a major edit for a short while.
As a courtesy, please do not edit this page while this message is displayed. The user who added this notice will be listed in the page history. This message is intended to help reduce edit conflicts; please remove it between editing sessions to allow others to edit the page.
If this page has not been edited for several hours, please remove this template, or replace it with {{underconstruction}} or {{incomplete}}.
Going from Joomla 3.10 to 4.x is considered a mini-migration or a minor migration. This means that Joomla core extensions will upgrade with a “one-click update” but third-party extensions are debatable and need to be taken on a case by case basis.