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<blockquote data-quote="krs" data-source="post: 1853293" data-attributes="member: 67742">@Jake - There were a few people in the comment section who reported problems with 2018 and 2019 Macs, but there also seems to be a lot of confusion about what people actually reported and how valid their reports are.So maybe these are different issues, I didn't really try to analyze any of the comments to see what makes sense and what does not.The problem I have with an unpowered USB 3 hub going from El Capitan to Mojave (totally different from the USB-C issue of course) I would think is definitely software - or one could argue could possibly be 'fixed' with a software update.What happens in my case, I think, is that Apple decided to check if the connected device, in this case a USB 3 hub, can provide the required power to the device or devices connected to that hub if those devices need it.Sort of makes sense, one wouldn't want a connected DVD drive read properly (since power requirements for that are relatively low) and then fail every time one wants to burn a DVD (since power requirements when burning are higher - too high for an unpowered hub).</blockquote>

[QUOTE="krs, post: 1853293, member: 67742"] @Jake - There were a few people in the comment section who reported problems with 2018 and 2019 Macs, but there also seems to be a lot of confusion about what people actually reported and how valid their reports are. So maybe these are different issues, I didn't really try to analyze any of the comments to see what makes sense and what does not. The problem I have with an unpowered USB 3 hub going from El Capitan to Mojave (totally different from the USB-C issue of course) I would think is definitely software - or one could argue could possibly be 'fixed' with a software update. What happens in my case, I think, is that Apple decided to check if the connected device, in this case a USB 3 hub, can provide the required power to the device or devices connected to that hub if those devices need it. Sort of makes sense, one wouldn't want a connected DVD drive read properly (since power requirements for that are relatively low) and then fail every time one wants to burn a DVD (since power requirements when burning are higher - too high for an unpowered hub). [/QUOTE]

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