Unofficial ISOs are frequently modified to include cryptocurrency hijackers or "clipper" malware hidden in the EFI partition, which can steal your crypto wallet info or financial data.
As a build based on "Redstone 4," the operating system includes the native features introduced in the April 2018 Update:
: The "April 2018 Update," which notably introduced the Timeline feature for tracking user activities.
Using modified Windows ISOs carries significant risks.