Roumors about perm bootloader lock in HyperOS3

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There were some roumors that phones coming with HyperOS3 on the market or after updating to official HyperOS3, then attempts trying to unlock bootloader will fail.Roumors that Xiaomi will completely prevent us from unlocking bootloader in HyperOS3 even though your MI Account is eligiable.Now when HyperOS3 is rolling out widely, can somebody confirm or not this? This is important to know even for the future of Xiaomi.eu ROM.Thanks