An empty form without components appears first.
After a few seconds the components also appear.
Your recommendation is to use 2.0.12:
"We are currently only supporting the official Lazarus version available for download at https://www.lazarus-ide.org/ which is version 2.0.12 which comes with the default FPC version of 3.2.0, all other newer versions or other custom FPC versions are not supported."
apply the style, "$type" property not found in Object descriptor - #12 by Pieter_Scheldeman