xtermjs/xterm.js 6.0.0 on GitHub

Features

#5453 Add synchronized output support (DEC mode 2026)
#5436 add range to IHTMLSerializeOptions
#5334 Support shadow dom in webgl renderer
#5285 Support detailed ligatures and variants
#5251 progress-addon
#5234 Add reflowCursorLine option
#5224 putty-style ED2 sequence handling as terminal option
#5107 Add top/bottom border overview ruler options
- ⚠️ This is a breaking change, ITerminalOptions.overviewRulerWidth is now a property of ITerminalOptions.overviewRuler
#5096 Integrate base/ platform from VS Code and adopt scroll bar
- ⚠️ This is a potential breaking change, the viewport/scroll bar works very differently now
#5092 Add support for ESM via esbuild
#5034 Expose onWriteParsed on API
#4220 Add support to ANSI OSC52

Fixes

#5445 Prefer performance.now() over Date.now()
#5437 Prevent entire page from scrolling when scrolling in alt buffer with mouse event off
#5423 Clear selection on vertical resize
#5411 Fix teleport when exiting out of alt buffer. v2
#5391 Bring back partial wheel tracking
#5390 Fix scrollbar teleport after exiting alt buffer
#5386 fix: ensure that currentRow can not go out of the range
#5385 Fix terminal find when wrapped
#5355 Add note about reverse tabnapping
#5346 Remove alt -> ctrl+arrow hack in favor of embedder-specific solutions
- ⚠️ This is a breaking change, you will need to add keybindings in your code if you want alt to map to ctrl still
#5337 Fix finding terms across wrapped lines
#5335 webgl: Ignore alpha channel when allowTransparency is false
#5328 Refresh viewport after clear or ED
#5305 Fix issue where listeners remain after WebglRenderer throws
#5291 Make ProgressAddon.onChange non undefined
#5282 Fixed CapsLock triggering input twice in MacOS.
#5279 Fixes: #5270 regex case-sensitive should behave like monaco
#5278 Handle glyph widths up to the maximum device texture size
#5277 Disable ligatures when cursor is in range
#5276 Fix selection rendering on ligatures in both renderers
#5265 Revert to cursor options after DECSCUSR 0
#5263 Make textarea readonly when disableStdin is set
#5262 Blend cursorAccent with background too
#5260 Blend cursor with background to support alpha in webgl
#5253 bug: properly render the terminal when open() is called again
#5249 Fix click event bug caused by DomRenderer replaceChildren behavior
#5209 Ensure last ligature cell is updated
#5208 Set liga font feature when ligatures is enabled
#5182 fix #5181
#5171 Fix links sometimes not activating
#5139 Fix image addon not being able to render some jpeg images in IIP
#5127 Fix scroll dimensions when switching buffers
#5122 Use main document to create viewport element
#5102 Ensure decorations are refreshed when origin of scroll event is buffe…
#5099 Remove overflow to allow decorations outside terminal
#5088 Sync DOM decoration styles when line height/width changes
#5067 Correct addon-clipboard ctor types
#5027 Finish OSC hyperlinks when the second param is only whitespace
#5024 Fix duplicate input for some IMEs
#5020 Escape Unsafe HTML Characters in addon-serialize
#5003 Support semi-colons in OSC 8 hyperlink URIs
#4984 Clear timer when dispose

Performance

#5403 Add SearchLineCache for improved search performance
#5066 Speed up clearing all markers, mass event listener dispose
#5038 Speed up insertion and deletion of values in SortedList by batching and deferring to idle task
#5037 Prevent smooth scroll from running more than once per frame
#4936 fix: memory leak in CoreBrowserService
#4933 Check after updating the SelectionRenderModel
#4879 Align character position in a11y tree with the actual rendering

Internal/minor changes

#5462 Remove deprecated windowsMode and fastScrollModifier
- ⚠️ This is a breaking change, these deprecated properties of ITerminalOptions have been removed
#5461 Remove need for glob module
#5460 Git ignore test-results/
#5452 Fix tsc build - upgrade glob version
#5450 Fix wrong export path for ESM target in [addon-unicode-graphemes]
#5449 Configure "exports" field in package.json [headless]
#5446 Migrate from yarn to npm, node 18 -> 22, use npm workspaces
#5442 Fix headless module path
#5425 Only show char codes for parsing data on trace
#5422 Explain filtering unit tests by file
#5421 Use Windows PowerShell instead of pwsh 7 in demo
#5420 Only log character codes for trace log
#5413 Adding EmuDevz to the "Real-world uses" list
#5407 Improve Copilot instructions and add test guidelines
#5406 Refactor search addon into multiple files, add unit tests
#5405 Refactor search addon interfaces
#5404 Replace timeout handling with disposableTimeout
#5402 Update GitHub Copilot instructions with test details
#5401 Refactor search addon types and internal handling
#5399 Refactor search constants and improve documentation
#5398 Add proper typing for search results change event
#5379 Bump form-data from 4.0.0 to 4.0.4 in /addons/addon-ligatures
#5362 Move copilot steps to correct folder
#5359 Add copilot setup steps
#5358 Revert conpty-specific reflow handling
#5349 Add comprehensive tests for alt+shift+letter keyboard combinations
#5345 Add instructions to help Copilot coding agent
#5329 Update and pin esbuild
#5322 Bump axios from 1.7.4 to 1.8.2 in /addons/addon-ligatures
#5321 Reflow on resize using similar logic to conpty
#5317 docs: added usage tip for registerMarker()
#5313 Revert "Merge pull request #5253 from akphi/patch-1"
#5308 Update AccessibilityManager.ts to use textContent rather than innerText
#5290 Progress polish
#5286 Move WebGL addon-specific code into addon
#5281 Pin Ubuntu 22 to fix playwright GH Actions issue for now
#5280 Remove courier fonts from defaults
#5275 Demo test button for common ligatures
#5252 Fix ReferenceError in publish.js
#5247 Update README.md - add ecmaOS as Use Case
#5219 Add new site to Real-world uses
#5218 Bump cross-spawn from 7.0.3 to 7.0.6
#5212 chore(addons/fit): fix typo
#5203 Don't hide build folders
#5202 Only resolve ligatures externals in commonjs environment
#5199 Store the DI decorator's id in specific property (#5131).
#5196 Add pyTermTk HTML5 Exporter project to "Real-world uses"
#5180 Forward integration test exit code to running proc
#5166 Bump express from 4.19.2 to 4.20.0
#5165 Bump axios from 1.6.0 to 1.7.4 in /addons/addon-ligatures
#5157 Bump path-to-regexp from 1.7.0 to 1.9.0 in /addons/addon-ligatures
#5151 Fix 'npm run package' in addon-unicode-graphemes
#5148 Bump micromatch from 4.0.5 to 4.0.8
#5143 Publish commit and set peerDependencies to @xterm/xterm beta when publishing
#5141 Bump webpack from 5.88.2 to 5.94.0
#5140 Add Filet Cloud to Real-world uses
#5136 Fix description for WebglAddon class in @xterm/addon-webgl
#5130 Remove xterm- prefix from addon mjs output
#5124 Update node-pty, use conpty.dll
#5106 Move to vs/base disposables
#5105 Remove the canvas renderer
- ⚠️ This is a breaking change, this addon no longer exists and we recommend using either the DOM renderer or WebGL
#5104 Remove EventEmitter in favor of vs/base/common/event's Emitter
#5103 remove _workCell in InputHandler.
#5095 Remove procfile
#5094 Add build flow images and move logo into new images folder
#5093 Align npm and test script names
#5091 Ignore EPIPE exception on Windows when reloading demo client
#5090 Suppress unrecognized option warning in demo
#5089 Remove src dts files and correct exports
#5086 Bump ws from 7.5.9 to 8.17.1
#5085 Run other integration tests in CI
#5083 typescript@5.5
#5082 Fix .eslintrc.json warnings, move deprecated to stylistic/ts
#5081 Simplify GH action names and remove test/api project
#5080 Migrate remaining API tests to playwright and remove API test infrastructure
#5079 Migrate more API tests to playwright
#5078 Get tests working on node that requires shell arg
#5071 Bump ws from 8.13.0 to 8.17.1
#5070 Bump braces from 3.0.2 to 3.0.3
#5059 Add balena to real world uses
#5056 Add app OpenSFTP to README.md
#5054 Add powerline git, LN, lock symbols
#5052 Update README.md
#5049 Add eva pro to README.md
#5018 Bump express from 4.18.2 to 4.19.2
#5010 Bump follow-redirects from 1.15.3 to 1.15.6 in /addons/addon-ligatures
#4989 adding Wave Terminal to the README
#4963 Polish convertEol api jsdoc
#4940 Update global object fix
#4865 Update devcontainer