We have recessed GU10 LED fittings in the kitchen/utility. Ten in total fitted when we had it 'done' in late 2018.
Certainly effective from POV of efficient light, vast improvement on the previous spots. One after another the original bulbs, relatively warm white Osrams, have given up the ghost and developed an intermittent flicker. As they fail I'm replacing them with a Sylvania product which is a tad cooler/more blue and they seem OK. Two or three Osrams left.
I suspect part of the problem is that the housings in the ceiling void are not ventilated and the Osram bulbs run very hot. The replacements still get warm but unlike the Osrams they're not too hot to touch.
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