Joomla! Documentation™

Joomla 2.5 到 4.x is two (2) minor migrations (or two (2) mini-migrations)

如果您正執行 Joomla 版本 2.5 ，並且想要搬遷到 Joomla4.x，您需要執行兩個迷你升級。首先是 2.5 到 3.10.x。然後是 3.10.x 到 4.x。請見 Planning for Mini-Migration - Joomla 2.5 to 4.x for the links and best course of action.