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Document-level mouseup/mousemove listeners from _bindMouse survive dispose() during an active drag-select, throwing on later disposed-RenderService access

Status: Open.

#6086 In xtermjs/xterm.js;

· josiahbryan opened on Aug 3, 2026

addon-unicode-graphemes: trie header is read via DataView(data.buffer) ignoring byteOffset, so a pooled base64 decode silently corrupts widths

Status: Open.

#6079 In xtermjs/xterm.js;

· openwong2kim opened on Jul 28, 2026

Hidden textarea accumulates typed text, and CompositionHelper._handleAnyTextareaChanges re-emits the whole value as input

Status: Open.

#6078 In xtermjs/xterm.js;

· Rob-Morris opened on Jul 26, 2026

WebGL: glyph atlas grows unbounded when the background color varies per cell (animated backgrounds, heatmaps, diffs)

Status: Open.

#6074 In xtermjs/xterm.js;

· s-celles opened on Jul 25, 2026

DEC 2026 synchronized output renders at ~1 fps under continuous full-screen animation

Status: Open.

#6071 In xtermjs/xterm.js;

· s-celles opened on Jul 25, 2026

Document-level mouse listeners survive Terminal.dispose() in 6.0.0, throwing TypeError from RenderService.dimensions on the next mouseup

Status: Open.

#6070 In xtermjs/xterm.js;

· openwong2kim opened on Jul 24, 2026

WebglAddon.dispose() does not release the underlying WebGL2 context

Status: Open.

#6068 In xtermjs/xterm.js;

· openwong2kim opened on Jul 24, 2026

Ctrl+<letter> and Escape are silently dropped under a CJK IME (keyCode 229)

Status: Open.

#6065 In xtermjs/xterm.js;

· openwong2kim opened on Jul 24, 2026

Buffer.resize can leave viewport rows with no live BufferLine when growing rows with ybase > 0 (6.0.0) — uncaught TypeErrors in lineFeed and _eraseInBufferLine

Status: Open.

#6063 In xtermjs/xterm.js;

· shannon-rush-media opened on Jul 23, 2026

Firefox paste broken by a false-positive Node check

Status: Open.

#6062 In xtermjs/xterm.js;

· diego-toro opened on Jul 23, 2026

DOM renderer: wide-char letter-spacing compensation broken by Chrome's default CJK punctuation compression (text-spacing-trim)

Status: Open.

#6058 In xtermjs/xterm.js;

· chy4pro opened on Jul 19, 2026

Published @xterm/headless has a broken module field and no exports map

Status: Open.

#6052 In xtermjs/xterm.js;

· yyq1025 opened on Jul 15, 2026