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WebGL: opaque background rectangle painted behind italic/dim cells when the theme background is transparent (alpha hard-coded in RectangleRenderer)

Status: Open.

#6116 In xtermjs/xterm.js;

· azekyoo opened on Aug 19, 2026

Cursor blink never starts on 6.1.0-beta in a headless X (Xvfb) Electron environment — works on 6.0.0 in the same environment

Status: Open.

#6113 In xtermjs/xterm.js;

· kewang opened on Aug 18, 2026

IME single-character commits are silently dropped when the app enables the Kitty keyboard protocol

Status: Open.

#6112 In xtermjs/xterm.js;

· can2049 opened on Aug 17, 2026

WidthCache measure container on document.body fails axe region (missing aria-hidden)

Status: Open.

#6109 In xtermjs/xterm.js;

· steve02081504 opened on Aug 16, 2026

Inertial fling sends NaN mouse coordinates when mouse reporting is on

Status: Open.

#6108 In xtermjs/xterm.js;

· Gaurav-Gosain opened on Aug 16, 2026

massive performance degradation

area/performance

important

type/bugSomething is misbehavingSomething is misbehaving

Status: Open.

#6106 In xtermjs/xterm.js;

· jerch opened on Aug 14, 2026

·  

7.0.0

[Bug] Wheel input is silently dropped in the alt buffer when consumeWheelEvent() rounds to zero lines

Status: Open.

#6105 In xtermjs/xterm.js;

· Xukun-Liu opened on Aug 14, 2026

TimeoutTimer.cancelAndSet performance antipattern

area/performance

Status: Open.

#6102 In xtermjs/xterm.js;

· jerch opened on Aug 13, 2026

performance issue from Bufferline.copyFrom

area/performance

Status: Open.

#6101 In xtermjs/xterm.js;

· jerch opened on Aug 13, 2026

webtransport demo

area/addon/attach

area/demo

area/performance

type/enhancementFeatures or improvements to existing featuresFeatures or improvements to existing features

type/proposalA proposal that needs some discussion before proceedingA proposal that needs some discussion before proceeding

Status: Open.

Feature

#6100 In xtermjs/xterm.js;

· jerch opened on Aug 13, 2026

Esbuild bundles the node version of the dependencies

Status: Open.

#6096 In xtermjs/xterm.js;

· CGNonofr opened on Aug 10, 2026

Fast IME typing drops a committed composition: _isSendingComposition cancels every pending send, not just one

Status: Open.

#6089 In xtermjs/xterm.js;

· joonhoekim opened on Aug 5, 2026