xterm 4.14.0

on Node.js NPM

🚀 Features

• Pixel perfect box drawing and block characters (#3416, #3428) via @meganrogge, @Tyriar
  
  
• xterm-headless is a new package available on npm that allows xterm to run in a headless mode within node.js (#3212, #3214, #3413, #3414, #3420, #3421) via @Tyriar, @joyceerhl
• New strikethrough style support and underline support in the WebGL renderer (#3343, #3384, #3386, #3387) via @silamon, @Tyriar
  
• The scroll bar is now hidden when the scrollback option is set to 0 (#3398) via @Puneethnaik

📦 API

• The new readonly modes API exposes the terminal's internal modes (#3418) via @Tyriar. These are used for example in the xterm-addon-serialize to enable mode serialization.

  if (terminal.modes.applicationCursorKeysMode) {
    // DECCKM is enabled (CSI ? 1 h)
  }

🐞 Bug fixes

• Fix issue where scrollbar would be visible after clearing the scrollback with an escape sequence (#3372) via @Puneethnaik
• Fix cursor ghosting in canvas and webgl renderer when device pixel ratio is not 1 (#3392, #3393) via @Tyriar
• Fixed the cursor blink component not being property disposed of (#3403) via @Eugeny
• Remove role=document from terminal element (#3419) via @Tyriar
• Ensure underscore glyphs remain within the cell bounds (#3426) via @Tyriar
• Handle input from macOS and Windows emoji IMEs (#3429) via @Eugeny
• Properly handle dead keys and altgr (#3430, #3432, #3437) via @Eugeny
• Fix parser throughput regressions which should improve throughput approximately 2-3x (#3452) via @Tyriar
• Don't break the terminal when undefined is passed into the Terminal ctor explicitly (#3453) via @silamon

📝 Documentation and internal improvements

• The screen reader mode now gets updated at most once per second to avoid layout thrashing (#3399) via @pattch
• Fix some eslint errors in test code (#3415) via @Tyriar
• Improve demo usability by moving options into a side panel (#3439, #3447) via @simran916
• Use a common function to launch the test playwright browser (#3444) via @daiyam
• Allow running specific tests and support VS Code's mocha test explorer extension (#3445) via @daiyam
• Add a simple load test to the demo (#3451) via @Tyriar
• Reduce playwright test flakiness (#3458) via @Tyriar
• Switch the active unicode version in the demo when the unicode11 addon is activated/deactivated (#3462) via @anirudh1713

🎉 New real-world use cases

• HashiCorp Nomad (#3407) via @DingoEatingFuzz
• TermPair and gdbgui (#3409) via @cs01

📥 Addons

xterm-addon-ligatures

• Fix navigator typing issues (#3371) via @LabhanshAgrawal

xterm-addon-search

• \ is now correctly treated as a non-word character (#3405) via @alur

xterm-addon-serialize

• Support for node via xterm-headless (#3421) via @Tyriar
• Serializing terminal modes is now supported (#3418) via @Tyriar
• Add missing repository key to package.json (#3431) via @Tyriar

xterm-addon-unicode11

• Support for node via xterm-headless (#3421) via @Tyriar

xterm-addon-webgl

• Fix an exception when disposing of the webgl addon (#3454) via @meganrogge

🤝 Compatible addon versions

• xterm-addon-attach@0.6.0
• xterm-addon-fit@0.5.0
• xterm-addon-ligatures@0.5.1
• xterm-addon-search@0.8.1
• xterm-addon-serialize@0.6.0
• xterm-addon-unicode11@0.3.0
• xterm-addon-web-links@0.4.0
• xterm-addon-webgl@0.11.2

🌐 Website

• Improve run on Linux instructions (xtermjs/xtermjs.org#152) via @Tyriar
• The website now has a new demo on the home page which shows off more of xterm.js' functionality (xtermjs/xtermjs.org#153, xtermjs/xtermjs.org#155, xtermjs/xtermjs.org#156, xtermjs/xtermjs.org#158) via @Tyriar