Most stable Mac OS X?

I was wondering, based on your experience, which Mac OS X is the most stable and is the best one to use today?

I’ve been on High Sierra and have had no issues I can think of. El Capitan also was very stable to me and still is modern enough to be able to mostly use.

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High Sierra and El Capitan are both good contenders.

I have a 2007 iMac running El Capitan which is extremely stable – but it’s also not doing a whole lot.

My Mac mini server runs High Sierra and is also very stable in most usage.

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I’d vote for High Sierra as well.

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