To be fair, the problem with icon previews between Adobe and Apple has been an ongoing battle for years. Somewhere back in time, I'm not sure when, it's been a few years now, Apple changed the specification for icon preview implementation, and Apple and Adobe have been in a pissing contest ever since. I would have to go back and look for all the details, but I do remember Chris Cox of Adobe being very knowledgeable on this issue, and insisting that Adobe had implemented previews the way Apple wanted, but that Apple wouldn't budge. And none of this would surprise me, as Apple has been pissing on Adobe for years now. While I noticed the new Adobe icons after a recent update (not sure if it was 10.12.x or PS2018 that caused it), what really matters is the lack of icon preview, and that's been going on for a long time. It's caused issues with my work flow, and I'm sure many others as well, and it keeps getting worse. I've often now got directories where I can't see half of the icon previews, so I need to open a file to see what's in it. But again, this has been going on for a long time. If previews worked correctly, you wouldn't see the new icons anyway, you would see a preview, which is what we all really want to see anyway. But all of this really points to Apple, as Adobe has no interest in breaking icon previews and appears to have tried, with little or no cooperation from Apple. Just my two cents.
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