upgrade advice

Hi All! Long time no see! Went to see the Blue Angels airshow at the outer harbor two weekends ago and my D3400 bit the dust. It was HOT! I'd guess by the time the show started it was well over 90° not counting the humidity which was close to 70%. Normal temperature for this time of year for...

I know, it's ancient! But it's been my learning camera over the past several years, and it's been great. But it's really getting beat up. And I need and want to step things up now with better features and quality. I don't necessarily need the latest model, but I do want connectivity. I also...