If your hearing aids are uncomfortable, you should try talking to your audiologist about getting them refit.
But, I'm going to take a stab, you're probably younger. I'll even gamble on that you have an OtE model. I went through the same sort of frustrations growing up. My hearing aid constantly would become uncomfortable, the ear infections, the constant whistling and buzzing. It is very tiresome, and the OtE models are far more irritating than anyone else ever knew. It's just cheaper that way. See, as you grow up (specifically, as your weight changes) your inner ear canal changes and shifts shape. Getting an EtE model made every year to every few months would be very expensive. So an OtE model just means a basic resin cast can be made and you're on your way.
But, now to disappoint you.
Nothing really is coming. Every impressive feature you see people talk about aren't going to be added to medical devices for a long time. Bluetooth just made it in vogue, but that drains battery like you wouldn't believe. As far as quality and comfort, frankly there's nowhere left to go. There's already models that are so small and form-fitting that they have to be inserted by a trained professional just to put it in and take it out.
And they're never getting cheaper with the way things are. The models worth anything are of course several thousand dollars apiece. Insurance doesn't really cover that either, for several reasons. It's why many charity organizations actually take previously used electronics and recycle them for others, so people can get machines without having to spend more on them than many pay for their cars.
The actual electronics cost maybe $500 or so for a set. But then theres the markup by manufacturers, audiologists, then the exams themselves, taking several just to get it right. Then there's the legal quagmire of being considered a 'hearing aid' by US standards (all I can speak for, honestly) that keeps any new companies from realistically getting into the game.
Its a small audience (about 5% of the population needs them, but 20% could benefit from them) for a niche medical device that they have no other alternative to, and they have a legally granted monopoly.
That... is why they won't get better. And if it would do anything, I'd verbally abuse every politician, CEO and audiologist that let it happen.