Issues

• DOM renderer: block elements leave a gap between rows (customGlyphs only applies to webgl)

  xtermjs/xterm.js#6224 · Filter by author Sawmonabo opened on Oct 13, 2026

• TextureAtlas: AtlasPage.clear() does not reset its glyph list, so each clearTextureAtlas() and redraw grows the JS heap

  xtermjs/xterm.js#6216 · Filter by author anur4ag opened on Oct 12, 2026

• AccessibilityManager throws "invalid range" when a selection maps onto no cells

  xtermjs/xterm.js#6215 · Filter by author savannahfeder opened on Oct 12, 2026

• Unchanged links repeatedly fire leave and hover during unrelated row updates

  xtermjs/xterm.js#6213 · Filter by author redblackbst opened on Oct 11, 2026

• Kitty graphics: a chunk with no payload loses the image, so chafa's kitty output never draws

  xtermjs/xterm.js#6211 · Filter by author dmwyatt opened on Oct 9, 2026

• Paused (display: none) terminal re-renders every row on each scroll via handleSelectionChanged

  xtermjs/xterm.js#6208 · Filter by author mxrsv opened on Oct 5, 2026
  3

• WebGL custom glyphs: 1px seam inside multi-rectangle block elements (e.g. ▛ ▜) at odd cell widths

  xtermjs/xterm.js#6207 · Filter by author smileygames opened on Oct 5, 2026

• Descenders are clipped on the bottom row with lineHeight 1 (canvas and WebGL)

  xtermjs/xterm.js#6202 · Filter by author bptrsn opened on Oct 3, 2026

• eraseInDisplay(1) throws TypeError at bottom-right before scrollback exists, permanently stalling WriteBuffer

  xtermjs/xterm.js#6196 · Filter by author GRVYDEV opened on Sep 30, 2026
  1

• SU (CSI Ps S) in a scroll region anchored at the top row discards the scrolled-out rows instead of adding them to scrollback

  xtermjs/xterm.js#6195 · Filter by author SSFSKIM opened on Sep 29, 2026
  1

• White scrollbar gutter flashes in WebKit when xterm viewport crosses the vertical-overflow threshold during resize

  xtermjs/xterm.js#6190 · Filter by author kiinoo opened on Sep 26, 2026

• SerializeAddon.serialize() drops OSC 8 hyperlinks (urlId not emitted)

  xtermjs/xterm.js#6189 · Filter by author skimi opened on Sep 25, 2026

• Accessibility-API text insertion (macOS dictation) is silently discarded, and emits one stray character

  xtermjs/xterm.js#6185 · Filter by author square360-george opened on Sep 22, 2026
  1

• Native Windows 11 en/em dash insertion (Win+-/Win+Shift+-) is silently swallowed because the synthetic keydown carries metaKey: true

  xtermjs/xterm.js#6184 · Filter by author t-gergely opened on Sep 22, 2026

• Trackpad: a program gets one wheel report per ~50 px, so the alt buffer travels ~3x less than the normal buffer for the same gesture

  xtermjs/xterm.js#6181 · Filter by author flydog-ai opened on Sep 22, 2026
  1

• Feature: Bash's hidden input

  xtermjs/xterm.js#6180 · Filter by author Ericwasepic127 opened on Sep 22, 2026

• inconsistent handling of null cells

  xtermjs/xterm.js#6178 · Filter by author PerBothner opened on Sep 21, 2026
  5

• A resize updates the scrollbar's extent but not its position, so the next wheel tick jumps hundreds of lines

  xtermjs/xterm.js#6172 · Filter by author josephspurrier opened on Sep 17, 2026
  1

• "@xterm/addon-search": "^0.16.0", bugs

  xtermjs/xterm.js#6171 · Filter by author zhangfanv opened on Sep 16, 2026

• win32-input-mode: virtual key comes from KeyboardEvent.code (US QWERTY), so non-US layouts and NumLock-off numpad keys send the wrong Vk

  xtermjs/xterm.js#6169 · Filter by author janah01 opened on Sep 13, 2026

• Serialize addon restores a cursor one column left after a full-row write

  xtermjs/xterm.js#6165 · Filter by author computer-prilo opened on Sep 9, 2026
  2

• Buffer.resize never reduces maxLength of an unfilled buffer — a shrink before the alternate screen is first used gives the alt buffer phantom scrollback (ybase > 0), duplicating rows after a later grow

  xtermjs/xterm.js#6163 · Filter by author axelbaumlisto opened on Sep 9, 2026

• IME preedit is not aligned to the cell grid when the WebGL renderer floors the cell width

  xtermjs/xterm.js#6161 · Filter by author oha-4 opened on Sep 8, 2026

• resize() while an async parser handler is pending leaves the parser in FAIL; terminal stops rendering

  type/bug
  xtermjs/xterm.js#6154 · Filter by author Kitenite opened on Sep 5, 2026
  5

• [addon-webgl] Multi-glyph atlas canvas too narrow for fractional advances — long joined runs clip and drift vs the cell grid

  xtermjs/xterm.js#6153 · Filter by author Ni7e opened on Sep 4, 2026