Some anthologies:
Shine, edited by Jetse de Vries. Optimistic sf on a variety of timescales.
Defying Doomsday, edited by Tsana Dolichva and Holly Kench. Apocalyptic scenarios in which the protagonists find ways to survive. What’s interesting is that the authors and protagonists are all disabled, from blindness to depression to IBS. Despair is not to be found here except as something to overcome.
Rebuilding Tomorrow, edited by Tsana Dolichva. A follow up to the above, about what disabled protagonists do after the apocalypse is over. Really powerfully optimistic - something I reread when depressed by current events.
Accessing the Future, Kathryn Allan and Djibril al-Ayad. Another anthology of disabled protagonists finding out how to make their way in various futures.
And novels:
Islands in the Net, by Bruce Sterling. A very funny and plausible element of the background is that the older generation managed to outright abolish nuclear weapons, is very very proud of this, and the kids are totally unimpressed and sick of hearing about it. Thus the story of a world good in many ways getting better, often despite the best efforts of would-be villains.
There was a joke at the time when this book came out that it cyberstraight, or cyberbourgoisie (this was before “bougie” was in common usage), or cybernormie.
Carve the Sky, by Alexander Jablokov. It’s a future Renaissance, more or less, after the theocratic tyranny that ruled Earth for centuries has. Burned down, fallen over, and sunk into the swamp. (It’s an unusual theocracy, eerie to read this days, with a resurgent Orthodox Russia driving things.) there are messes, but they’re getting solved.