- Major improvements to network proxy support:
- Support for interactively prompting the user if the proxy server
requires authentication.
- Built-in support for proxying via another SSH server, so that
PuTTY will SSH to the proxy and then automatically forward a port
through it to the destination host. (Similar to running
plink
-nc as a subprocess, but more convenient to set up, and allows
you to answer interactive prompts presented by the proxy.)
- Support for HTTP Digest authentication, when talking to HTTP
proxies.
- Introduced
pterm.exe, a PuTTY-like wrapper program
for Windows command prompts (or anything else running in a Windows
console). Not yet included in the installer, but available as a
.exe file from the Download page.
- Updated Unicode and bidi support to Unicode 14.0.0.
- New command-line option
-pwfile, like
-pw except that it reads the password from a file so that
it doesn't show up on the command line.
- Windows Pageant: option
--openssh-config to allow
easy interoperation with Windows's ssh.exe.
-pw (and -pwfile) now do not fall back
to interactively prompting for a password if the provided password
fails. (That was the original intention.)
- New configuration options for keyboard handling:
- Option to control handling of Shift + arrow keys
- Extra mode in the function-keys option, for modern xterm (v216 and above).
- Bug workaround flag to wait for the server's SSH greeting before
sending our own, for servers (or proxies) that lose outgoing data
before seeing any incoming data.
- Crypto update: added side-channel resistance in probabilistic RSA
key generation.
- Crypto update: retired the use of short Diffie-Hellman exponents
(just in case).
- Bug fix: reconfiguring remote port forwardings more than once no
longer crashes.
- Bug fix: terminal output processing is now paused while handling a
remote-controlled terminal resize, so that the subsequent screen
redraw is interpreted relative to the new terminal size instead of the old.
- Bug fix: Windows PuTTYgen's mouse-based entropy collection now
handles high-frequency mice without getting confused.
- Bug fix: Windows Pageant can now handle large numbers of
concurrent connections without hanging or crashing.
- Bug fix: if Windows Pageant is started multiple times
simultaneously, the instances should reliably agree on one of them to
be the persistent server.
- Bug fix: remote-controlled changes of window title are now
interpreted according to the configured character set.
- Bug fix: remote-controlled changes of window title no longer get
confused by UTF-8 characters whose encoding includes the byte 0x9C
(which terminates the control sequence in non-UTF-8 contexts).
- Bug fix: popping up the window context menu in the middle of a
drag-select now no longer leaves the drag in a stuck state.
- Bug fix: extensive use of true colour in the terminal no longer
slows down window redraws unnecessarily.
- Bug fix: when PSCP reports the server sending a disallowed
compound pathname, it correctly reports the replacement name it's
using for the downloaded file.
- Bug fix: enabling X11 forwarding in
psusan failed to
fall back through possible port numbers for the forwarded X display.
- For developers: migrated the build system to CMake, removing the
old idiosyncratic
mkfiles.pl and the autotools system.
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