Issues

• lastIndexOf finds NaN before an out-of-bounds negative starting position

  jashkenas/underscore#3028 · Filter by author maple-pwn opened on Oct 2, 2026
  3

• Failing _.delay test in webkit

  questiontest
  jashkenas/underscore#3025 · Filter by author jgonggrijp opened on Sep 15, 2026
  2

• Please let me know if you would like to review pull requests

  questionstarter
  jashkenas/underscore#3014 · Filter by author jgonggrijp opened on Feb 25, 2026
  12

• Are there any plans for the next version release?

  question
  jashkenas/underscore#2994 · Filter by author codejeffrey opened on Apr 4, 2024
  4

• Possibility to update a nested object's property in a non-mutable way

  enhancementstarter
  jashkenas/underscore#2948 · Filter by author RVledder opened on Feb 28, 2022
  7

• Compare errors by identity in _.isEqual

  breaking changestarter
  jashkenas/underscore#2882 · Filter by author randym opened on Oct 8, 2020 · 2.0 (planned breaking changes)
  14

• add _.oneArg (and maybe _.twoArgs and _.limitArgs)

  contribenhancement
  jashkenas/underscore#2871 · Filter by author sktguha opened on Aug 7, 2020
  2

• Double chaining leads to a stack overflow

  starter
  jashkenas/underscore#2853 · Filter by author jgonggrijp opened on Jun 2, 2020

• Add _.toggle/_.transition/_.fsm to underscore

  contribenhancementquestion
  jashkenas/underscore#2850 · Filter by author sktguha opened on May 10, 2020
  5

• Shorthand for piping a value through a bunch of functions

  breaking changequestion
  jashkenas/underscore#2809 · Filter by author tfga opened on May 30, 2019
  12

• _.max and _.min may behave incorrectly if iteratee returns infinite number

  bugfixed
  jashkenas/underscore#2688 · Filter by author jpli opened on Jul 9, 2017
  3

• New function findKeys proposition

  contribenhancement
  jashkenas/underscore#2676 · Filter by author FabriceGaudin opened on Jun 6, 2017
  10

• _.eq

  enhancement
  jashkenas/underscore#2456 · Filter by author jdalton opened on Mar 1, 2016
  4

• isSafeInteger

  contrib
  jashkenas/underscore#2455 · Filter by author jdalton opened on Mar 1, 2016
  3

• Change to SameValueZero for comparisons

  breaking change
  jashkenas/underscore#2453 · Filter by author jdalton opened on Feb 29, 2016
  1

• iterator support for _.toArray

  breaking change
  jashkenas/underscore#2448 · Filter by author jdalton opened on Feb 27, 2016
  5

• Make the underscore wrapper iterable

  enhancement
  jashkenas/underscore#2447 · Filter by author jdalton opened on Feb 27, 2016
  1

• _.bind supports _.partial application, but not its non pre-filled argument syntax with _

  breaking changedocumentation
  jashkenas/underscore#2328 · Filter by author Majeure opened on Oct 26, 2015
  5

• Drop support for IE < 11

  breaking change
  jashkenas/underscore#2325 · Filter by author jdalton opened on Oct 21, 2015 · 2.0 (planned breaking changes)
  7

• _.union doesn't work with arrays of objects

  breaking change
  jashkenas/underscore#2311 · Filter by author wilhen01 opened on Oct 2, 2015
  32

• _.size to return symbol count of strings.

  breaking change
  jashkenas/underscore#2302 · Filter by author jdalton opened on Sep 16, 2015
  4

• Underscore could use a _.propertyResult

  contribenhancement
  jashkenas/underscore#2286 · Filter by author machineghost opened on Aug 25, 2015
  3

• executeBound on var arg constructors

  jashkenas/underscore#2214 · Filter by author megawac opened on Jun 12, 2015
  9

• Supporting ES6 iterables in collection methods

  breaking changeenhancementquestion
  jashkenas/underscore#2147 · Filter by author tgriesser opened on Apr 10, 2015 · 2.0 (planned breaking changes)
  3

• Go on a Diet

  breaking change
  jashkenas/underscore#2060 · Filter by author jashkenas opened on Feb 19, 2015
  8