Black Darter reported on the BDS website 25 June at Thursley. I think that's all the "standard" species up and running now, except for Willow Emerald. Unless I've forgotton something? No mention of azure hawker or irish damsel on the BDS site, but I suspect that reflects lack of observers rather than them not being out yet.
Meanwhile, over on UKdragonflies, there are some stunning photos of a Southern Emerald damsel from a new site in Kent. It's a private site, but still intriguing and offering the suggestion that the species may get established. With Willow Emerald already established in the area, Reculver seems to be becoming the place to be for new species.
Willow Emeralds have been mentioned at sites in Essex + also at Minsmere.