Issues

• Async mode takes at least 4ms per iteration in browsers because of setTimeout clamping

  kpdecker/jsdiff#709 · Filter by author ruiined opened on Oct 1, 2026

• Migrating to ESM only

  kpdecker/jsdiff#703 · Filter by author 43081j opened on Aug 18, 2026

• diffWords produces duplicate spaces with oneChangePerToken

  kpdecker/jsdiff#698 · Filter by author aforemendude opened on Aug 12, 2026
  2

• Applying a patch with a fuzzFactor can be very very slow

  performance
  kpdecker/jsdiff#692 · Filter by author ExplodingCabbage opened on May 26, 2026
  1

• (3398) Consider enabling GitHub Private Vulnerability Reporting (PVR)

  kpdecker/jsdiff#684 · Filter by author daniel-msft opened on May 4, 2026
  1

• reversing a text diff?

  kpdecker/jsdiff#629 · Filter by author Pomax opened on Sep 22, 2025
  7

• Improve integration with react-diff-view and investigate if unidiff can be entirely obsoleted and deprecated. (Originally: "Is there a way to remove the ====== separator that appears at the top of diffs?")

  kpdecker/jsdiff#624 · Filter by author iryan2 opened on Jul 24, 2025
  6

• Performance improvement suggestion

  kpdecker/jsdiff#516 · Filter by author toptensoftware opened on Apr 23, 2024

• Support diffs with substitutions

  major-new-feature
  kpdecker/jsdiff#475 · Filter by author ExplodingCabbage opened on Jan 11, 2024

• Compare with diff-match-patch

  documentationperformance
  kpdecker/jsdiff#453 · Filter by author ExplodingCabbage opened on Jan 2, 2024

• Suboptimal (O(D^2)) memory usage

  performance
  kpdecker/jsdiff#396 · Filter by author quark-zju opened on Mar 3, 2023
  10

• Feature Request: ignorePunctuation

  diffWords behaviourminor-feature-request
  kpdecker/jsdiff#221 · Filter by author CamWalker opened on May 29, 2018
  2

• 3-way merge

  merge
  kpdecker/jsdiff#181 · Filter by author uiteoi opened on Jun 5, 2017
  14

• Feature Request: Apply to a change to a String

  major-new-feature
  kpdecker/jsdiff#176 · Filter by author PlainviewData opened on Apr 23, 2017
  2

• How to minimize the number of insertions?

  major-new-feature
  kpdecker/jsdiff#167 · Filter by author nachocab opened on Feb 15, 2017
  2

• No function to apply diffs from diffChars, diffWords, etc.

  major-new-feature
  kpdecker/jsdiff#95 · Filter by author sirbrillig opened on Dec 30, 2015
  2

• Near Endless Loop calling execEditLength

  performance
  kpdecker/jsdiff#79 · Filter by author flippmoke opened on Oct 7, 2015
  4