Is serialization and deserialization natively supported in TMS WebCore? I can't find any information about this.
Or do I need XData or something else to be able to perform serialization and deserialization?
Are there any example projects? Specifically, it deals with nested objects and generic lists.
In TMS WEB Core itself, there is no built-in functionality, there is the WEBLib.JSON unit to handle JSON parsing & generation.
In TMS FNC Core that you can use in TMS WEB Core, there is JSON persistence: