I'm very excited these few days.
It's the plague of the bright, new, shiny, object syndrome as described by Danny Thorpe, Chief Scientist, Borland.
My personal copy of Borland Delphi 2005 Architect is arriving soon... Man, I can't wait!
In 2017, with the release of Delphi 10.2 Tokyo, Embarcadero introduced a specialized implementation of the Observer pattern into the System.Classes unit. While it has been in the wild for 9 years, it remains a "hidden" architecture for many, primarily because it serves as the invisible engine behind LiveBindings. Other than live bindings, you can also use the Observer pattern as a way to update component settings to the Windows registry, an .ini file, or persist it elsewhere.
System.Classes