Underscore.js: Releases, patches & end-of-life
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Lifecycle guide for Underscore.js from Jeremy Ashkenas, Julian Gonggrijp

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

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📅 Last update on 2026-01-19

What is Underscore.js?

Automate product release and end-of-life managementUnderscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.
 

The entire lifecycle of Underscore.js

The following figure shows you the visualised product life cycle of Underscore.js. 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.
Underscore.js (Jeremy Ashkenas, Julian Gonggrijp) release, version and end-of-life information
XUnderscore.js (Jeremy Ashkenas, Julian Gonggrijp) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product Underscore.js (Jeremy Ashkenas, Julian Gonggrijp)
 

Facts and figures about Underscore.js

Product
Underscore.js
Vendor
Jeremy Ashkenas, Julian Gonggrijp
Latest version
1.13.7
Number of releases
20
Number of versions
82
Number of unstable versions
0
Number of versions affected by CVE
26
Licence
MIT Licence
Licence details
https://en.wikipedia.org/wiki/MIT_License
Wikipedia
https://en.wikipedia.org/wiki/Underscore.js
 
 

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Lukas Böttcher
Lukas Böttcher
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