I gave a 30-minute talk about 'How Should Java Developers Build Front-Ends for Web, Mobile & Desktop Today?' to the London Java Community (LJC) on February 25, 2021. I will look at various frameworks from the perspective of a Java developer and suggest which toolkits to use in typical scenarios.
On January 20, I gave a 60-minute talk to the "Cincinnati Java User's Group" about "How Should Java Developers Build Front-Ends for Web, Mobile, and Desktop Today?". There's no video, but the slides and links for getting started with Flutter are available.