https://www.triumphmotorcycles.co.uk/motorcycles/classic/coming-soon according to this page triumph say : The latest generation of Triumph’s renowned Speed Twin. Evolved in every dimension, with higher performance, better handling, higher specification and even more premium style and detailing. so hoping it's more than just euro 5!
Certainly better front suspension as the bike now has upside down forks rather than the previous conventional forks.