To ease any concerns you may have about this, the telemetry proposal that @pinkandwhite linked applies only to the GNOME variant of Fedora (aka “Fedora Workstation”). It does not apply to the KDE variant of Fedora. See the following comment by the person who proposed it: F40 Change Request: Privacy-preserving Telemetry for Fedora Workstation (System-Wide) - #118 by catanzaro - Fedora Discussion
KDE already has an implementation of telemetry that is OPT-IN. That is, it is disabled by default. KDE lets you know about the existence of this feature in its welcome wizard that greets you after you boot into the desktop for the first time:
It also lets you modify the setting at any time through its System Settings:
If you’re interested, here is the link to their privacy policy that is featured in the above photos (hyperlinked in the blue “our privacy policy here.” text): KDE Software Privacy Policy - KDE Community