You can read the official announcement blog post at https://blogs.embarcadero.com/embarcadero-interbase-15-1-released/.
For additional information, please check
- https://docwiki.embarcadero.com/InterBase/15/en/CodeInsight
- https://www.embarcadero.com/products/interbase/whats-new-in-interbase-15
It's a very interesting release of IBConsole overall, with many UI changes besides the deeply integrated AI features.