I have just installed Koinonein version 18.104.22.168 x64.
‘Change Directory’ from context menu works again, thanks for the fix.
I noticed that you had changed the icons in the status bar.
While downloading a torrent a ‘Database Error’ message popped up but before I managed to take a screen-shot it disappeared. I restarted Koinonein but this error message did not appear again.
I will leave Koinonein running to see whether there would be high memory usage again- currently Koinonein version 22.214.171.124 x64 uses about 105 MB of RAM which is acceptable.
So far everything seems fine with version 126.96.36.199. If I notice a problem I will notify you.
Have a nice day.