Issues

• "assignment to undeclared variable i" from lib/timeline/component/LineGraph.js

  visjs/vis-timeline#2126 · Filter by author Nabrok opened on Sep 1, 2026

• Last day column in timeAxis is stretched/wider when using daily hiddenDates

  visjs/vis-timeline#2076 · Filter by author SparkDragon opened on Jun 24, 2026

• GitHub license detection returns NOASSERTION due to LICENSE.md wrapper file

  visjs/vis-timeline#2024 · Filter by author gwpl opened on Mar 2, 2026
  1

• Subgroup visible property is not respected when expanding parent group

  visjs/vis-timeline#2010 · Filter by author JarRami opened on Feb 11, 2026

• Tooltip wrapping？

  visjs/vis-timeline#2009 · Filter by author foxfire881 opened on Feb 11, 2026
  1

• Stacking not working as expected?

  visjs/vis-timeline#1992 · Filter by author user321321 opened on Dec 31, 2025

• Console Error When Nested Items are Expanded with Clustering in View

  visjs/vis-timeline#1981 · Filter by author valoiscti opened on Dec 1, 2025

• Examples Generation - Inconsistent Example Titles

  visjs/vis-timeline#1980 · Filter by author LukasWillin opened on Dec 1, 2025
  1

• Double-click doesn't work with 'touch' events

  visjs/vis-timeline#1977 · Filter by author penguoir opened on Nov 21, 2025

• Custom tooltips seem not to work

  visjs/vis-timeline#1973 · Filter by author hansmbakker opened on Nov 19, 2025
  2

• Git repository unreasonnably heavy

  visjs/vis-timeline#1968 · Filter by author drzraf opened on Nov 14, 2025
  2

• Graph2d : onclick event do not return concerned item

  visjs/vis-timeline#1963 · Filter by author ounnoughikarim opened on Nov 7, 2025

• weekday css missing when zooming in to hours

  visjs/vis-timeline#1953 · Filter by author COMHOME opened on Oct 18, 2025

• v8.2.0 breaks side-by-side events

  bugquestion
  visjs/vis-timeline#1917 · Filter by author awidener3 opened on Aug 28, 2025
  3

• Expand/collapse control present under 'Participants' are not accessible using keyboard in windows.

  visjs/vis-timeline#1915 · Filter by author msftedad opened on Aug 26, 2025
  3

• Graph2D throws error when horizontalScroll is present

  enhancementhelp wanted
  Feature

  visjs/vis-timeline#1914 · Filter by author awidener3 opened on Aug 22, 2025
  3

• Scrollbar jumps on removal of a timeline group

  visjs/vis-timeline#1911 · Filter by author kreitzmanc opened on Aug 13, 2025

• Feature request: 'Floating' Axis orientation, (like time.graphics)

  visjs/vis-timeline#1909 · Filter by author d-vonc opened on Aug 11, 2025

• Preserve class and style attributes in content

  visjs/vis-timeline#1908 · Filter by author nulhacking opened on Aug 11, 2025
  1

• vis-timeline and daylight saving / summer time / DST at certain zoom levels not showing one time bar or any time bars

  bugreproduced
  visjs/vis-timeline#1902 · Filter by author s2156945 opened on Aug 1, 2025
  4

• Assigning order function breaks proper subgroup stacking

  visjs/vis-timeline#1895 · Filter by author nitz opened on Jul 25, 2025

• How do i change style for header starting from date?

  enhancementhelp wanted
  visjs/vis-timeline#1887 · Filter by author coblove0 opened on Jul 15, 2025
  1

• Add support for Hungarian (hu) locale

  visjs/vis-timeline#1866 · Filter by author renatogolcsa opened on Jun 9, 2025
  1

• Using <div id="something"> in content strings works in 7.4.3 but not 7.7.4

  visjs/vis-timeline#1865 · Filter by author jrbray1 opened on May 24, 2025
  1

• Ability to change default type

  visjs/vis-timeline#1856 · Filter by author tuejoshua opened on Mar 13, 2025