That would not make sense. Plasma does not spy on you, or feed you ads, or make processes clunkier to force you to upgrade to new hardware. All that extra bloat that comes with Windows is just no there.
This is indeed a bug and can reproduce on Arch 6.1.0. Please check if is has been reported at https://bugs.kde.org, and, if it hasn't, please report it.
Edite: Submitted - https://bugs.kde.org/show_bug.cgi?id=489025
Someone creates a username/password in System Settings and then activates the server on the remote computer. Then they need to approve you the first time you try to log in from your personal computer... I'm not sure this answers your question.
The risk is low. Your email address is not visible by the general public. A spammer would have to go through a manual registration process to see it. Sounds like a lot of work for a small niche number of email addresses.
Either way, when in doubt, do as suggested: use your spam-catching email address.
there’s not really a substitute for After Effects yet,
Have you tried Natron? This software still needs some serious love, but maybe you can appreciate its potential as tool for people used to AE.
There are less obnoxious ways of pointing out a typo than what you did.
A Plasma developer told me that the NextCloud client would have to be ported (by NextCloud) to Frameworks 6 to get all its prior functionalities back. Apparently it is still using Frameworks 5.
Reporting bugs is the way to go. They help us make better software for everybody. Thanks!
New versions of Kdenlive are released at regular intervals. When release day comes around, you'll get a notification.
Yes, absolutely. Go for it, please.