I live in a an older building in a studio apartment. I bought five Sylvania Smart+ LED Lights, one for each fixture. There's a cheap lamp, an overhead fan/light combo, and a kitchen light fixture with space for 3 bulbs. I bought bulbs for the lamp and overhead fan over a year ago, and all have worked perfectly.
The kitchen fixture has killed four or five bulbs. The "smart" parts eventually just stop working and they revert back to normal bulbs most of the time. One bulb stopped displaying red before losing connectivity, and one or two bulbs died completely. I've lost count at this point. At first, I would keep the glass bulbs over the lights, but after 2 or 3 broke I took them off and left them off, thinking it might be a heat issue. The overhead fan has had a glass cover on for over a year with no issues.
One thing I noticed is that the bulbs get extremely hot when on in the kitchen fixture - my laser temperature reader pegged the base of the kitchen light figure bulbs at ~88°C (~190°F) (Edit: this was probably not right, they don't seem to be hotter than my other, consistently working bulbs). Could this light fixture be killing the bulbs? There were standard incandescent bulbs in the fixture for over a year with no issues.
Note: Not a duplicate of this question, that question had bulbs that were recalled and which stopped outputting light.