Issues

• cleanupYTextFormatting is a no-op for every gap after the first character

  yjs/yjs#830 · Filter by author osazemeu opened on Oct 30, 2026

• Concurrent operations delete formatting markers that other operations rely on

  yjs/yjs#828 · Filter by author kayceesrk opened on Oct 29, 2026
  1

• applyUpdate can integrate a block over known structs around gaps, and the doc can no longer be encoded (v14)

  yjs/yjs#825 · Filter by author zurfyx opened on Oct 26, 2026

• Structs past a clock gap: stuck pending structs, and a doc that differs from its own encoding (v14)

  yjs/yjs#824 · Filter by author zurfyx opened on Oct 26, 2026

• UndoManager: redoItem can give a list item contradictory origins, so the local doc and a reload disagree

  yjs/yjs#823 · Filter by author ppkube opened on Oct 26, 2026

• Proposal: optional two-client text and UndoManager regression traces

  yjs/yjs#822 · Filter by author PerchAnton opened on Oct 25, 2026

• v14: list change deltas count a multi-value item as one position (retain/delete)

  yjs/yjs#819 · Filter by author keesvandorp opened on Oct 19, 2026

• mergeUpdates throws on updates with a zero-length struct, an empty client section or a zero-length delete range (v14)

  yjs/yjs#815 · Filter by author datatrigger opened on Oct 17, 2026
  2

• undoContentIds: a map attribute overwritten two or more times inside the id set is deleted instead of reverted

  yjs/yjs#814 · Filter by author SSFSKIM opened on Oct 13, 2026

• UndoManager: redo can produce a state that never existed, and a reloaded doc can differ from the live one

  yjs/yjs#811 · Filter by author Shyu-x opened on Oct 5, 2026

• UndoManager.undo() throws in redoItem after a restored Y.Map was garbage-collected

  yjs/yjs#809 · Filter by author tobihagemann opened on Oct 3, 2026

• UndoManager: undo/redo deletes too much after a deleted type is restored (redone item merged with neighbour)

  yjs/yjs#806 · Filter by author wigwugs opened on Sep 27, 2026
  1

• A throwing event handler permanently breaks future document events and observers

  bug
  yjs/yjs#799 · Filter by author ben-ashton-safetyvantage opened on Aug 21, 2026
  

• Undo can restore sequence items with unreachable right origins

  yjs/yjs#794 · Filter by author sibnerian-oai opened on Aug 3, 2026
  1

• Deleting non-empty Y.Map child from Y.Map triggers YMapEvent with **empty Y.Map** as oldValue.

  bug
  yjs/yjs#786 · Filter by author WebCoder49 opened on Jul 9, 2026
  2

  

• discuss.yjs.dev is down - Let's Encrypt https certificate expired 5 days ago

  bug
  yjs/yjs#783 · Filter by author krassowski opened on Jun 16, 2026
  3

  

• cleanupFormattingGap handles non-primitive attribute values incorrectly

  bug
  yjs/yjs#776 · Filter by author 12joan opened on May 8, 2026
  

• Type pollution with global.d.ts Y.js v14

  bug
  yjs/yjs#774 · Filter by author nperez0111 opened on May 7, 2026
  3

  

• yjs-inspector returns 403 Forbidden when loading example data.

  yjs/yjs#764 · Filter by author ahaoboy opened on Feb 19, 2026

• Don't destroy subdocs on deletion from parent

  bug
  yjs/yjs#750 · Filter by author itsmebasti opened on Nov 29, 2025
  1

  

• Should getXmlElement accept a type argument?

  enhancement
  yjs/yjs#748 · Filter by author krassowski opened on Nov 12, 2025
  2

  

• Tests failing in node.js, also on CI

  wontfix
  yjs/yjs#745 · Filter by author raimohanska opened on Nov 8, 2025
  1

• YText._integrate catches all errors

  bug
  yjs/yjs#744 · Filter by author raimohanska opened on Nov 7, 2025
  1

  

• ydocs with a lot of deleted map entries (tombstones) leak memory

  bug
  yjs/yjs#741 · Filter by author Xyz3R opened on Oct 21, 2025
  3

  

• Undo manager sometimes generates wrong states when undoing

  bug
  yjs/yjs#736 · Filter by author javiergonzalez-synth opened on Oct 6, 2025
  1