[slightwinder]

> Judging by the HN and Reddit comments with each Firefox/Signal/Matrix releases

There are always comments and complaints. One need to evaluate the quality of this complains to understand their worth.

> either the product stops growing and simply becomes a niche product for those set of users or it dies.

Successful products prove this wrong. The most successful ones barely change at all, they usually evolve for a decade or two and then adapt to a new generation. Stability is a viable road to success.

Heck, even chrome didn't really change that much since it's first version. Firefox is really absurdly extraordinary in how unstable it is.