When I switch from tab "Bandwidth" to tab "Transfers" the outgoing speed drops by 30 or 50%. This speed value does not return to the previous level until I switch to "Bandwidth" tab again. Outgoing speed can remain the maximum for a whole hour while the "Bandwidth" tab is active. But as soon as I switch to "Transfers", outgoing speed definitely drops.I didn't notice this effect for incoming speed.

There is a bug for both Linux (mint) and Windows (7). Few CPU and RAM resources are occupied.

This is a screenshot of the speed graph:
https://imgur.com/a/5vYzbUh

But the speed value also drops in the status bar (at the bottom of the window).

What tab has focus when you are on the transfers window?
I think if you have a lot of information being updated and displayed it can slow down your bandwidth.
does the CPU increase?
Does the bandwidth decrease if you go to any other tab?

> What tab has focus when you are on the transfers window?
I didn't understand the question. When I see the transfer list, the "transfer" tab is in focus.

> does the CPU increase?
Processor resources are used by no more than 10-15%.

> Does the bandwidth decrease if you go to any other tab?
When the home tab is in focus, the speed does not decrease.

(Sorry for my English. This is Google translator)