Issues

• HighlightingLoader.Load(XmlReader) mis-parses non-normalizing readers (e.g. XDocument.CreateReader): silently empty main RuleSet, or misleading "Could not find main RuleSet."

  icsharpcode/AvalonEdit#454 · Filter by author GRNBY opened on Sep 18, 2026

• IME reconversion (再変換) is not supported in AvaloniaEdit TextBox (Japanese IME)

  icsharpcode/AvalonEdit#449 · Filter by author hisui3393 opened on Apr 22, 2026

• Add HL7 v2.x syntax highlighting definition (XSHD)

  icsharpcode/AvalonEdit#446 · Filter by author kalatchev opened on Feb 27, 2026

• System.InvalidOperationException:“Document is null”

  icsharpcode/AvalonEdit#445 · Filter by author zangetsudo opened on Dec 4, 2025
  1

• Context menu ApplicationCommands.Cut still enabled when IsReadOnly = true

  icsharpcode/AvalonEdit#444 · Filter by author CodingOctocat opened on Nov 2, 2025

• EnableVirtualSpace is true with virtual selection - caret offset is not correct when replacing a virtual selection

  icsharpcode/AvalonEdit#442 · Filter by author Joe-Blaze opened on Oct 9, 2025

• Optimize the design of the CompletionWindow.

  icsharpcode/AvalonEdit#441 · Filter by author 2576168920 opened on May 22, 2025

• string interpolation Javascript

  icsharpcode/AvalonEdit#440 · Filter by author flat-eric147 opened on May 15, 2025

• Korean input rendering incompatibility

  icsharpcode/AvalonEdit#437 · Filter by author tp1415926535 opened on Apr 11, 2025
  1

• Add support for rendering emojis with colors [Wpf, .NET 4.8]

  icsharpcode/AvalonEdit#436 · Filter by author AmenJlili opened on Apr 10, 2025

• RectangleSelection up to 150-200 lines slow

  icsharpcode/AvalonEdit#434 · Filter by author alex8900vbs opened on Jan 11, 2025

• Text not displayed in code completion window when AvalonEdit used from c# code

  icsharpcode/AvalonEdit#433 · Filter by author ankyo opened on Nov 2, 2024

• How can I disable ligatures in TextEditor?

  icsharpcode/AvalonEdit#432 · Filter by author QYF-RYCBStudio opened on Aug 31, 2024

• Rectangle selection rendering glitch with horizontal scrolling

  icsharpcode/AvalonEdit#424 · Filter by author AngryCarrot789 opened on Mar 17, 2024
  3

• The shortcut key Ctrl+K,Ctrl+D can format all the code.

  icsharpcode/AvalonEdit#423 · Filter by author Philorrine opened on Mar 7, 2024
  1

• Group similar operations together in the undo stack

  icsharpcode/AvalonEdit#422 · Filter by author MartinGC94 opened on Mar 4, 2024

• Custom Kerning/Letter Spacing

  icsharpcode/AvalonEdit#421 · Filter by author NeomMob opened on Jan 15, 2024

• Objects not being destroyed

  icsharpcode/AvalonEdit#420 · Filter by author BernardinoGoncalvesLynx opened on Jan 11, 2024
  3

• failed to parse html

  icsharpcode/AvalonEdit#412 · Filter by author yuran1978 opened on Aug 30, 2023

• duration of TextChange in a rectangular selection

  icsharpcode/AvalonEdit#409 · Filter by author alex8900vbs opened on Aug 14, 2023
  5

• The code completion effiencency can be improved

  icsharpcode/AvalonEdit#407 · Filter by author HansTanzi opened on Jul 25, 2023

• How can I use the code completion by press Tab key other than input dot?

  icsharpcode/AvalonEdit#406 · Filter by author HansTanzi opened on Jul 25, 2023

• Ability to add spell checking

  icsharpcode/AvalonEdit#404 · Filter by author MarioFares opened on Jul 3, 2023
  1

• Autocompletion with indentation not working

  icsharpcode/AvalonEdit#403 · Filter by author Dangujba opened on Jun 29, 2023

• Add support to draw Custom Annotation on Vertical Scrollbar

  icsharpcode/AvalonEdit#402 · Filter by author sagarkardani opened on Jun 29, 2023