Incoming connections to PuTTY tools (to forwarded ports and to the connection-sharing socket) now log their source address or pid, where facilities exist to do so.
Cryptography speedup on 64-bit Unix platforms by using gcc and clang's __uint128_t built-in type.
Bug fix: the configuration dialog is no longer accidentally invisible in some Windows Vista display themes.
Bug fix: the Windows PuTTY GUI no longer becomes unresponsive if the server sends a continuous flood of data. (Sorry! We fixed that once before, but it came back 0.64.)
Bug fix: PSFTP now returns a failure exit status if a command fails in a batch-mode script.
Bug fix: ESC [ 13 t can no longer elicit an invalid escape sequence as a response.
