I've had stability with 26.8.3 | 28.7 | 30.7 We recently upgraded a site about 2 weeks ago from 26.8.3 to 31.1.5 and have had problems ever since. I don't see CPU/MEM resources showing issues like @WTorres However, we get are now getting slow connections, random disconnects, trouble connecting. I've got a good number of sites that I've been very hesitant to go beyond 26.8.3 (MR42/MR46) or 30.7 (MR44) with, because this is usually what we run into. I saw 31.1.6 just come out with a good number of bug fixes so we are going to upgrade to that and see. Otherwise we'll have to go back to 26.8.3/30.7 and sit there forever. I don't care about features, I care about stability.
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