Read about '5' and then added more info and examples to support the fact that it is working with both 5 and x versions.
Electrum will NOT sweep uncompressed keys but will accept them in wallet creation.
Wrong again, it accepts uncompressed and compressed WIF in both Import (
wallet creation) and Sweep.
write on the things that is known to You. If you don't know just avoid writing about it.
It seems you just vaguely wrote ' Sweep' when the entire terminology and its meaning is unknown to you.
Nothing wrong about anything, you were unable to solve his problems.