[flukus]

It depends on the frequency and nature of these issues, but it sounds like you are experiencing technical debt and that your paying for it with slower development speed. Solving the stability issues should take precedence over developing new features.

Is the stuff you have to intervene for under your control or external? If you're relying on outside systems that are flakey then you need make your systems more resilient, things like automatically retrying a few minutes later if some third party service is down and/or being more transnational so you can deal with errors.