As simply an end-user, I cannot speak to its stability, however, I have not had any issues. I would say that it is more or less stable.

I rate the solution's stability as a ten.

iboss is a stable solution, and we didn't face any major outages with the solution. I rate iboss a seven out of ten for stability.

No issues with stability.

It is stable, but due to growth, it can sometimes be less stable than wanted. 

Stability-wise, I can't say that we have had any problems at all with the solution. It's decent. It's not exceptional, however.