PuTTY: Releases, patches & end-of-life
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Lifecycle guide for PuTTY from Simon Tatham

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-01-21

What is PuTTY?

Automate product release and end-of-life managementPuTTY is a free implementation of SSH and Telnet for Windows and Unix platforms, along with an xterm terminal emulator.
 

The entire lifecycle of PuTTY

The following figure shows you the visualised product life cycle of PuTTY. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.
PuTTY (Simon Tatham) release, version and end-of-life information
XPuTTY (Simon Tatham) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product PuTTY (Simon Tatham)
 

Facts and figures about PuTTY

Product
PuTTY
Vendor
Simon Tatham
Latest version
0.83
Number of releases
1
Number of versions
40
Number of unstable versions
1
Number of versions affected by CVE
36
Licence
MIT license
Licence details
https://www.chiark.greenend.org.uk/~sgtatham/putty/licence.html
 
 

Questions or interested? Talk to me!


Lukas Böttcher
Lukas Böttcher
Business Development Manager
P:  +49-30-221986-51
LinkedIn

 

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