--- Bug 1 ---
Change language (for example from Finnish to English)
=> Error: Invalid access to memory <OK>
The program continues to work otherwise correctly in the new language.
--- Bug 2 ---
Press (left) alt-key
=> the buttons "About", "Login", "Save..." and "Close" disappear from window
--- Bug 3 ---
Ftp + ipv6 + passive not working.
It seems that winscp tries to use wrong port number. Winscp uses the command channels local port number instead of data channels server port number.
Command channel: client:49000 <-> server:22
Server reported dataport (EPSV): 51000
Winscp tries to connect to server:49000 for data retrieval