ive got an older iMac running high sierra 10.13.6 right now. I really haven't come into to many problems at regaurding anything i need to do with programs or what i've been working on lately. I'm really just trying to keep the machine stable and run 32 bit apps. As far as support i know high sierra has been dropped as well as mojave so i'm not worried about that. Would i even benefit from upgrading as my graphics card is only the ATI Radeon HD 5670 512 MB though. Would that be able to handle a mojave or i guess is it even worth it or should i stay on high sierra