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Notes -
I'd expect it's more likely that the UK just gets flooded with more CE crap, while the bottom end of the domestic or near-business market lifts its skirt up over the floodwaters, same as the rest of the EU user privacy data stuff. Sorry if that's cynical, but the last time I went to the UK a coworker got zapped because none of the three-prong power adapters he'd locally-purchased actually had connections between the input and output ground plugs.
Some of these restrictions, even some of the good ones, aren't that readily implemented. SecureBoot is only a recommendation, which is good, given that even a lot of mid-range microprocessors don't support it, nevermind the microcontroller world where it's gfl. I've got two projects I'm running now (STM32F103Cx- and Nuvoton NUC980) that don't support it at all, and these aren't exactly ancient PICs. Same, maybe even worse, for the recommendation for memory access controls. Mandating a default-off mode for any debug interface is understandable from a Serious IT Perspective, but it also makes a lot of stuff e-waste in a wide variety of circumstances, and makes a lot of useful prosumer and enthusiast concepts unavailable.
More broadly, this reads a bit like it was written by a mid-studies electrical engineering student, for better or worse. There's a lot of good recommendations, but trying to make a clear distinction between IoT and 'constrained' devices as a simple binary... it's bad enough trying to split microcontrollers from microprocessors, but from a quick read this reg would put harder restrictions on an ESP32 lighting controller than solar-powered NVR system.
On net, it's probably not bad to have a document people can look at, even if they end up shrugging on actual implementations at points, but it's frustrating.
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