https://blog.fastdot.com/joomla/whats-new-in-joomla-4-and-how-to-upgrade/?seraph_accel_prep=eyJub25jZSI6ImUxN2QwODYzNTkzN2FmOWY4Y2IxNzdiN2EzNTk1ZWFkIiwiX3RtIjoiMTcxNjE2Mzg1MC40Nzg3IiwicGMiOiJRRXJORDEiLCJscm4iOiJcL3NcL21cL3ZcL2NtblwvbFwvQFwvNGVmNjZhY2RmZmFiZWIwNjcxNWZlMWQyN2IyMmE5YzQuZGF0Lmd6In0=