I only ever noticed minor changes in SQ with Roon updates having been running Innuos Squeezelite emulation. I got an Extreme in almost a year back now and subsequent to that, one of the updates sounded really off. I checked it out and noticed that all of my carefully imposed settings had been reset to default - most notably the advanced settings in Device setup as well as all the DSP modules being re-introduced after I had deleted them. It seems that, under certain conditions, a fresh install can be imposed instead of a simple update. It is worth checking this if you are noticing a significant difference in SQ after an update. Once I reset everything back to my preference, it sounded a lot closer to how I recall it being prior to that update.
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