PuTTY updated to v0.84 today.
Change log
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PuTTY 0.84, released today, fixes multiple security issues (minor as far as we know), several bugs, and has the new features of running a pre-connection command and (on Unix) displaying partially composed Unicode characters as you type them.
PuTTY is a free (MIT-licensed) Windows Telnet and SSH client. This manual documents PuTTY, and its companion utilities PSCP, PSFTP, Plink, Pageant and PuTTYgen.