From JupyterLab 3.1, file documents and notebooks have collaborative editing using the Yjs shared editing framework. Editors are not collaborative by default; to activate it, start JupyterLab with the --collaborative flag. See full documentation on collaboration.
The undo/redo history in the notebook is now document-wide (tracking changes across all cells); the future verisions will enable restoring the previous behaviour of per-cell undo/redo.
Table of Contents recieved multiple new features and settings described in the user documentation.
The debugger recived many improvements, including basic support for evaluating code at a breakpoint, and for variable inspection.
The closing bracket is no longer automatically added by default; the old behaviour can be re-enabled from the menu bar (Settings -> Auto Close Brackets) or from the Advanced Settings Editor.
A new visual indicator was introduced to highlight cells in which the code changed in the editor since last execution: <img alt="A GIF of the visual indicator showing up after editing a cell." src="https://user-images.githubusercontent.com/21197331/120619861-ae957d80-c45c-11eb-8640-b25b8b659ad4.gif">
Many other new features were added as documented below.

New features added

General: Shared editing with collaborative notebook model. #10118 (@dmonad)
Debugger: Implemented variable inspection when the debugger has started #10025 (@JohanMabille)
Debugger: Basic support for evaluating code at a breakpoint #9930 (@jtpio)
Notebook: Show a visual indicator that the cell has been edited #10296 (@martinRenou)
Notebook: Find and replace within a single cell #10067 (@jess-x)
Notebook: Copy cell output to clipboard #10282 (@cameron-toy)
Notebook: Add support for collapsing hierarchy of headings #10260 (@marthacryan)
File Browser: Add shortcuts #10206 (@martinRenou)
Table of Contents: Add capacity to skip H1 Headers #9994 (@skyetim)
Table of Contents: Add context menus to sections containing runnable code cells #10167 (@jess-x)
Completer: Added tab cycling to Completer #10147 (@cameron-toy)
Customization: Build context menu from settings for easy customization #10373 (@fcollonval)
Customization: Build menus from settings #10254 (@fcollonval)
Customization: Disable autoClosingBrackets by default everywhere #9488 (@telamonian)
Customization: Add cursorBlinkRate settings for editors #10485 (@fcollonval)
Licenses: Add a list of licenses accessible from the UI #9779 (@bollwyvl)

Enhancements made

Add license-webpack-plugin #9519 (@bollwyvl)
Focus cells on split and leave cursor in cell with selection when splitting #10297 (@goanpeca)
Fixes doc string for toc syncCollapseState setting #10639 (@andrewfulton9)
Allow to set custom position for Tooltip #10590 (@krassowski)
Rename files in collaborative mode #10564 (@hbcarlos)
Reorganize settings menu for text editor #10563 (@fcollonval)
Add promptCellConfig to Code Console Settings #10555 (@jess-x)
communicate heading collapse between ToC and Notebook #10545 (@andrewfulton9)
feat: add options to include cell output in headings #10537 (@skyetim)
Open inspector split to the right #10519 (@legendb317)
Simple mode rename improvements 2.0 #10518 (@cameron-toy)
Make current kernel the default in kernel selector #10510 (@gereleth)
Add selectionExecuted and executionScheduled signals + update executed signal to include error status/info #10493 (@mwakaba2)
Scroll cell into view after output collapse #10491 (@gereleth)
Collaborative renaming & moving of files #10470 (@dmonad)
Update inspector open #10449 (@legendb317)
dirty cell: Store the code source as true source of output #10438 (@fcollonval)
RTC: Anonymous user names based on the moons of Jupyter #10411 (@dmonad)
Add icon for .jl files in explorer #10397 (@shngt)
Support arrow keys for button navigation #10349 (@jahn96)
Feature: select all cells with tags in toc #10346 (@NPetz)
[licenses] use serverSettings from serviceManager, style tweaks #10329 (@bollwyvl)
Filebrowser ContextMenu: Use separators #10293 (@martinRenou)
Add a plugin to be able to swap the doc provider #10256 (@jtpio)
Completer: expose activeIndex and indexChanged #10244 (@hbcarlos)
DirListing: Refactor selection so that it's based on path not name #10237 (@martinRenou)
DirListing: Allow for no sorting when clicking on headers #10236 (@martinRenou)
Improve error handling in labextension install #10233 (@akx)
FileBrowser: Add protected method for creating the dirlisting #10216 (@martinRenou)
added new command called runAllEnabled #10215 (@sarahspak)
Filebrowser: Allow for escaping renaming #10205 (@martinRenou)
Add new widget area below the dockpanel #10201 (@fcollonval)
Debugger: show button shortcuts in tooltips #10199 (@jess-x)
Restore the relative sizes of areas in split panel #10196 (@krassowski)
Move open-with to its own plugin, so it can be disabled independently. #10193 (@robertpyke)
key-bindings to codemirror search in single cell #10184 (@jess-x)
Rename at file creation #10181 (@martinRenou)
Scroll into view on each step/frame changes/... #10160 (@mlucool)
Added support for namespace packages in labextensions. #10150 (@mellesies)
Color contrast adjustments for sidebar and command palette #10146 (@isabela-pf)
Rename simple interface documents from the title widget #10140 (@cameron-toy)
Perf: Add virtual Notebook for delayed cell rendering #10131 (@goanpeca)
Perf: Trim notebook large output for better performance #10129 (@goanpeca)
Perf: Codemirror performance enhancement #10128 (@goanpeca)
Perf: Update CSS for performance enhancements #10127 (@goanpeca)
Add Skip Link #10126 (@0618)
Allow Use of CDN to be Configurable for Fetching Package Metadata #10125 (@jhamet93)
Allow NPM Registry and CDN Registry to be Configurable #10110 (@jhamet93)
Fix last modified column toggle, allow to set it permanently #10100 (@krassowski)
TOC current position #10099 (@andrewfulton9)
Add 'merge cell above/below' commands with shortcuts #10076 (@krassowska)
Disable escape key and click-outside-dialog behaviors if hasClose = false #10049 (@DianeHu)
Name (un-renamed) file on first save #10043 (@jess-x)
Improve UX when a user restarts their Notebook server via JupyterHub #10032 (@vkaidalov-rft)
Create New commands for common file types associated with available kernels #10009 (@ohrely)
feat: CommandLinker Support in Markdown cells #9909 (@0618)
Add support for Gitpod editor #9883 (@saulshanabrook)
Move documentation panel rendering to renderer #9663 (@krassowski)
transition header element to div.header for accessibility #9648 (@tonyfast)
Add aria roles and labels #9622 (@marthacryan)
Vertical notebook cell prompts on mobile #9464 (@jtpio)
Debugger keyboard shortcuts #9154 (@mnowacki-b)
Implement a guard for pending user input to avoid deadlocks #8713 (@echarles)
Add null fileformat #7596 (@telamonian)
Search installed extensions #7423 (@jtpio)
Add "go-up" navigation support in filebrowser, fix other shortcuts behaviour #6859 (@krassowski)

Bugs fixed

Workaround disappearing palette issue by using blur #10693 (@krassowski)
Set anonymous username bug #10686 (@hbcarlos)
Add icon and mnemonic menu attributes in settings #10678 (@fcollonval)
Restore the focus target check removed in #10517 #10664 (@krassowski)
Fixed event handler in debugger session test #10651 (@JohanMabille)
Fix #10391 - incorrect cursor position after autocomplete #10647 (@dmonad)
Fix error messages when creating new dirs/files in a read only dir #10641 (@vkaidalov-rft)
More automated release fixes #10621 (@blink1073)
Disable autoclosing brackets by default in console #10612 (@jasongrout)
Restore current sidebar widget even if sides are switched #10605 (@afshin)
Save only workspace name as metadata.id instead of full path #10603 (@afshin)
Invoke onCellInserted when rendering a placeholder cell #10602 (@echarles)
Fix font-weight for collaborative cursor caret #10598 (@krassowski)
Do not show tooltip when completer is active #10588 (@krassowski)
Only save and use valid user settings for the editor #10585 (@jasongrout)
Remove tabIndex taking focus away from notebook #10580 (@krassowski)
Open Help menu's Jupyter Forum in a new browser tab by default #10574 (@isabela-pf)
Move all child cells when collapsed markdown heading is moved #10571 (@marthacryan)
Restore JupyterLabMenu missing menu attribute #10567 (@fcollonval)
Completer: Do not announce subset match selection if it did not change #10556 (@krassowski)
Fix string variable in debugger tree view #10550 (@fcollonval)
Fix dialog windows ignoring buttons focus #10532 (@krassowski)
Fix contrast issues in command palette and file browser #10531 (@krassowski)
fix running cell when focused on output #10517 (@cameron-toy)
Check to make sure process.argv exists before using it. #10507 (@jasongrout)
[HOTFIX] Render the correct index placeholder cell #10505 (@echarles)
Remove content-visibility css prop to avoid jumpy scrollbar #10503 (@echarles)
Fix checkbox styling #10483 (@fcollonval)
Fix icons code for TOC and listings-info #10476 (@krassowski)
Fix watch mode #10444 (@fcollonval)
Restore maxNumberOutputs removed in #10131 #10432 (@krassowski)
Fix console error when closing notebook #10426 (@marthacryan)
Focus on "Cancel" rather than "Delete" in delete dialog #10400 (@krassowski)
Fix the docmanager:name-on-save command #10355 (@jtpio)
Fix codemirror options updating #10353 (@jasongrout)
Fix incomplete transition to .path from .name #10281 (@krassowski)
Fix filebrowser focus issue #10280 (@krassowski)
Bump marked.js (and types) to pull fix for rendering #10274 (@krassowski)
Fix autocompletion issue #10234 (@dmonad)
show user dialog when attempting folder drop #10209 (@dharmaquark)
Workaround Chromium issue with iframe reload/href #10185 (@krassowski)
Upgrade CodeMirror to 5.61.0 (fixes indentation for Python type hints) #10175 (@krassowski)
fix document count in title #10168 (@jess-x)
Debugger: Remove all breakpoints should confirm action first #10161 (@mlucool)
fix: highlight tab focused buttons and Dir List #10153 (@0618)
Fix handling of mathjax in notebook example #10134 (@jtpio)
Fix dry run logic in publish script #10068 (@jtpio)
Fix #7525 by setting yarn.lock permissions #10063 (@jluttine)
Add cell id per notebook format 4.5 #10018 (@jayqi)
[Fix] Copy shareable link command - fix the filename encoding (for files with spaces in the name) #10015 (@ognjenjevremovic)
fixed ellipsis character after menu items in UI #10000 (@RodyLipson)
Fix js-apputils session context tests #9997 (@jtpio)
Fix escaping of urls and paths #9978 (@jasongrout)
Do not make unnecessary npm registry requests #9974 (@jasongrout)
Remove lookbehind from ToC MD regex for Safari #9962 (@dge8)
DocRegistry FileType pattern matching doesn't work #9958 (@ajbozarth)
Made disposable optional for widget extensions #9954 (@loichuder)
Fix ToC markdown bug for HTML comments #9938 (@marthacryan)
Make Table of Contents extension not rewrite all notebook headers. #9932 (@jasongrout)
Fix watch mode for external extensions #9915 (@ajbozarth)
Add websocket token auth in case of different ws domain #9898 (@darcsoel)
Bug fix for extension watch mode behavior #9889 (@afshin)
Do not display the splash screen in the application state plugin #9875 (@jasongrout)
Allow overrides.json to override default shortcuts. #9858 (@jasongrout)
Fix contrast of debugger icon when selected #9851 (@krassowski)
Remove the previous file_to_run logic #9847 (@jtpio)
Add missing return types to fileeditor-extension/src/commands.ts #9844 (@jtpio)
Fix example pins, don't prettier ipynb_checkpoints #9835 (@bollwyvl)
Remove the auto-switch to “mobile” mode, and behavior switches associated with mobile mode #9831 (@jasongrout)
Fix the display of breakpoints on restore #9824 (@jtpio)
@jupyterlab/rendermime: upgraded marked dep past vulnerability #9809 (@telamonian)
Fix Services Tests #9806 (@afshin)
Fix label for "Create Console for Editor" #9794 (@krassowski)
Fix mimerender test example and test in CI #9782 (@afshin)
Correct synchronization of tags between metadata and tags widget #9773 (@fcollonval)
Fix race condition in session startup #9766 (@afshin)
[BugFix] ArgumentConflict is not defined #9760 (@andrewfulton9)
Fix search provider not recognising text nodes #9746 (@krassowski)
Do not take focus away from search panel (for navigateToCurrentDirectory) #9745 (@krassowski)
Fix uninstallation of packages in extension manager #9744 (@afshin)
Add missing default_url fields to more examples #9737 (@afshin)
Add missing default_url fields to examples #9731 (@afshin)
Fix debug flag handling in build command #9715 (@afshin)
Use Path.resolve() to get canonical case-sensitive path names #9709 (@jasongrout)
Fix use of hyphen in module name #9655 (@hbcarlos)

Maintenance and upkeep improvements

Clean up Link Caching #10687 (@afshin)
Clean up link checking #10673 (@blink1073)
Fix integrity2 test #10660 (@fcollonval)
Context menu plugin schema #10645 (@jtpio)
Move the context menu building logic to a separate plugin #10624 (@jtpio)
Fix typo in the dirty plugin id #10623 (@jtpio)
More releaser fixes #10614 (@afshin)
Revert name file feature #10609 (@jess-x)
Fix usage of Releaser #10608 (@afshin)
Finish Releaser Integration #10606 (@afshin)
Fix js-services test with the new ipykernel 6 #10592 (@jtpio)
Switch to using a PromiseDelegate in yprovider.ts #10587 (@jtpio)
Rename to YjsEchoWebSocket #10586 (@jtpio)
Give answered issues action permission to write #10583 (@jasongrout)
Update typedoc #10582 (@jasongrout)
Set the stale message to have an actual value. #10575 (@jasongrout)
Move the application status check to a separate plugin #10572 (@jtpio)
Skip the ipykernel debugger test #10569 (@jtpio)
Add new file to CodeQL path-ignore #10568 (@jtpio)
Fix closing answered issues by setting the stale-issue-message attribute #10553 (@jasongrout)
Switch to dev-mode for ui-tests #10549 (@fcollonval)
Export awareness #10539 (@hbcarlos)
Move answered workflow file to the workflows directory #10536 (@jasongrout)
Update skiplink implementation #10535 (@isabela-pf)
DirListing: Make mouse events methods protected #10527 (@martinRenou)
Refresh yarn.lock in preparation for 3.1 #10516 (@jasongrout)
Update webpack dependency #10515 (@jasongrout)
Carry end-to-end tests on docker #10498 (@fcollonval)
Add language to MarkdownCodeBlocks' "should find a block with a language" spec #10495 (@ainzzorl)
Add Verdaccio helper to prepare for releaser #10494 (@jtpio)
Make highlighted line in debugger readable #10479 (@krassowski)
Move filebrowser shortcuts to settings #10466 (@fcollonval)
upgrade to galata 3.0.11-2 #10453 (@mbektas)
UI fix: clearer save message #10430 (@jess-x)
Interface pass on the name file dialog feature #10416 (@jtpio)
Split move cell test into 2 separate tests #10410 (@fcollonval)
Fix a bug since merging arrow navigation between buttons in Dialog (#10349) #10395 (@jahn96)
Handle updating dependencies without a semver range prefix #10393 (@jasongrout)
Restore padding on main dock panel #10390 (@fcollonval)
Add the ui-tests folder to the labeler #10386 (@jtpio)
Fix completer on cell example #10382 (@hbcarlos)
UI Tests: Update reference screenshots #10372 (@jtpio)
Remove mode from the JupyterFrontEnd.IShell interface #10368 (@jtpio)
Allow bumpversion to work with patch #10360 (@blink1073)
Start testing the debugger with Galata #10359 (@jtpio)
Remove unused IMainMenu dependency #10356 (@jtpio)
tagging deprecated completer APIs #10348 (@dharmaquark)
Fix master UI test #10345 (@fcollonval)
Add linter rule for sorting import #10344 (@fcollonval)
Update labeler to use the documentation label for docs #10336 (@jtpio)
Fix clean-package and correct toc extension #10332 (@fcollonval)
Automated UI testing using Galata #10331 (@mbektas)
Add permissions to the labeler workflow #10324 (@jtpio)
Fix labeler workflow #10322 (@jtpio)
fix: remove the 3-second startup delay of the kernel connection #10321 (@mariobuikhuizen)
Update ws dependency #10316 (@jtpio)
Fix remote-caret rendering #10315 (@dmonad)
Add Plugin wrapper for "Open in New Browser Tab" so it can be disabled. #10311 (@robertpyke)
Minor code style pass on yprovider.ts #10308 (@jtpio)
Update labeler and add auto assign to PRs #10306 (@goanpeca)
Fix focus accept button on dialog unit test #10303 (@fcollonval)
Add Yjs as a singleton package #10301 (@dmonad)
Remove various tab indices #10289 (@marthacryan)
Add the new docprovider-extension to the labeler #10288 (@jtpio)
FileBrowserModel: Allow for overwriting _onFileChanged #10286 (@martinRenou)
Enable real time collaboration on the dev Binder #10258 (@jtpio)
Add the new packages to the labeler #10257 (@jtpio)
Update enhancement tag in the issue template #10253 (@jtpio)
DirListing: Make some methods protected #10247 (@martinRenou)
FileBrowserModel: Make some methods protected #10246 (@martinRenou)
FileBrowser: Make listing and crumbs accessible to subclasses #10245 (@martinRenou)
Fix Shutdown Error in Test App #10240 (@afshin)
Remove tabmanager-extension from packages list #10232 (@krassowski)
Re-enable splice source tests #10230 (@jtpio)
DirListing: Make Renderer's private method protected #10224 (@martinRenou)
Update to sanitize-html~=2.3.3 #10220 (@jtpio)
Update to url-parse~=1.5.1 #10219 (@jtpio)
Remove runtime dependency on jupyter_packaging #10217 (@jtpio)
Replaced ... with ellipses unicode character in .ts files #10208 (@yasmin-bb)
add tooltip on cell type dropdown #10182 (@fcollonval)
Update the mock packages to jupyter-packaging 0.10 #10177 (@jtpio)
clean up unused signal in notebook search #10169 (@jess-x)
Debugger: show callstack clearer with names/ids #10162 (@mlucool)
Fix Permissions of Labeler Workflow #10141 (@jtpio)
Add Required Permission to CodeQL Workflow #10138 (@afshin)
Clean up workflow permissions #10136 (@afshin)
include all default*.json in @jupyterlab/testutils distributions #10132 (@bollwyvl)
Clean up package integrity #10122 (@jtpio)
Update employer name #10120 (@mbektas)
Export createRendermimePlugin from @jupyterlab/application #10117 (@jtpio)
Upgrade to Jupyter Packaging 0.9 #10096 (@jtpio)
Pulled notebook export UI into separate extension so it can be disabled easily #10094 (@DianeHu)
Add a clarifying comment for the download plugin. #10092 (@jasongrout)
Move the about help dialog to its own plugin #10089 (@jtpio)
Move "Launch Classic Notebook" to its own plugin #10086 (@jtpio)
Add the celltags extension to the app example #10078 (@jtpio)
Move the main application commands to a separate plugin #10073 (@jtpio)
Pull out filebrowser context menu download UI into separate plugin so it can be disabled easily #10066 (@DianeHu)
Pull docmanager download UI into separate plugin so that it can be disabled easily #10065 (@DianeHu)
Add the toc extension to the app example #10053 (@jtpio)
Update copyright to 2021 in the about dialog #10052 (@jtpio)
Remove buffer dependency from @jupyterlab/apputils #10050 (@jtpio)
Use blobs to set the svg source of an image in the image viewer #10029 (@jasongrout)
Show app.name in the tab title #10023 (@jtpio)
Add document name and workspaces to title Bar #10002 (@jess-x)
Loosen pin on jupyter-packaging #9998 (@afshin)
Move js-services to the flaky CI workflow #9987 (@jtpio)
API for custom toolbars/headers in Notebook widgets #9984 (@fasiha)
Use Playwright and Test All Browsers #9977 (@afshin)
Update console message for when fullMathjaxUrl is missing from the page config #9970 (@jtpio)
Update react-json-tree to 0.15.0 #9949 (@jtpio)
changing ... to ellipsis character in json find #9946 (@RodyLipson)
Update @lumino dependencies #9939 (@marthacryan)
Move the code consoles functionalities for the notebook to a separate plugin #9934 (@jtpio)
Remove the explicit path to the mock extension used in the integrity script #9921 (@jtpio)
Automatically close “answered” issues if they have no activity for 30 days #9920 (@jasongrout)
Added Pipfile to .gitignore #9893 (@palewire)
Added Forum to help menu. Fixes #8678 #9892 (@palewire)
Make the markdown plugin more reusable #9876 (@jtpio)
Turn HTML sanitizer into a plugin #9873 (@ohrely)
Cleanup unused Python imports #9864 (@jtpio)
Update @lumino dependencies #9857 (@jtpio)
Move the cloned outputs to a separate plugin #9845 (@jtpio)
Add icon to Create Console for Editor #9843 (@jtpio)
Add Markdown icon for Show Markdown Preview #9840 (@krassowski)
Enable Caching in Production Minimized Mode #9833 (@afshin)
Clean up Release Scripts and Test in CI #9821 (@afshin)
Update CI script timeouts #9814 (@afshin)
Update MANIFEST.in to include package_data files. #9780 (@jasongrout)
Add hash to webpack requests to enable caching #9776 (@afshin)
Updates the locking configuration #9754 (@jasongrout)
Use get_package_url from jupyterlab-server #9743 (@krassowski)
Add link for prebuilt extensions too #9702 (@flying-sheep)
Enable jupyter labextension build/watch to work for custom jupyterlab distributions #9697 (@jasongrout)
Move flaky tests to a separate workflow on CI #9677 (@jtpio)
Make the filebrowser plugins more reusable #9667 (@jtpio)
fix: use process/browser module as real polyfill #9636 (@maartenbreddels)

Documentation improvements

Add alt attirbutes for test docs sprint #10670 (@isabela-pf)
Add some upgrade notes to JupyterLab 3.1 #10654 (@fcollonval)
fixes doc string for toc syncCollapseState setting #10639 (@andrewfulton9)
Mention prebuilt extensions in README and docs #10604 (@krassowski)
replace OS X -> macOS #10599 (@partev)
Fix documentation for selectionExecuted signal (copy-paste error) #10579 (@krassowski)
Documentation for Real Time Collaboration #10547 (@hbcarlos)
Update docs #10543 (@hbcarlos)
Fix a few typos, camelCase some privates #10524 (@krassowski)
Add ipykernel to the debugger user docs #10512 (@jtpio)
Fix two links in documentation #10421 (@blink1073)
Allow theme and style css #10381 (@jasongrout)
Revert visual regression #10376 (@fcollonval)
Build context menu from settings for easy customization #10373 (@fcollonval)
Fix listing documentation #10367 (@fcollonval)
add UI testing section to contributor documentation #10364 (@mbektas)
Add missing docstrings #10357 (@jtpio)
changed Javsacript to Javascript #10333 (@Ashish-15s)
Fix clean-package and correct toc extension #10332 (@fcollonval)
Automated UI testing using Galata #10331 (@mbektas)
fix: typo in getting_started/faq #10330 (@manavendrasen)
Fix documentation #10323 (@davidbrochart)
Update Maintainer List #10300 (@blink1073)
Add note about symlink activation on Windows. #10292 (@fcollonval)
Add changelog entry for 3.0.16 #10267 (@blink1073)
Update documentsearch description in package.json #10265 (@jtpio)
Build menus from settings #10254 (@fcollonval)
Add changelog entry for 3.0.15 release #10238 (@blink1073)
Update contribution docs to show how to rebuild on change #10204 (@martinRenou)
Remove installing notebook from the contributing guide #10200 (@jtpio)
Improve prebuild extension docs #10190 (@hbcarlos)
fix(docs): corrects typo in ui-components README #10155 (@plan-do-break-fix)
Update packaging commands in the extension tutorial #10104 (@jtpio)
Mention mamba as a means to install JupyterLab #10093 (@SylvainCorlay)
Fix changelog links for 3.0.13 #10085 (@blink1073)
Update changelog in master for 3.0.14 #10082 (@blink1073)
Fix typo in ui-components's README #10062 (@martinRenou)
Fix changelog links #10060 (@blink1073)
Forward port changelog entries #10058 (@blink1073)
chore: update extension_tutorial #10026 (@0618)
Add Ability Use Source Directories in App Dir #10024 (@afshin)
Use check-links-ignore to ignore pulls and issues #10012 (@afshin)
Clarify where the overrides.json file should be in the docs #9989 (@jasongrout)
Move Changelog to Standard Location #9944 (@afshin)
Point the CI badges in the README to master branch #9919 (@blink1073)
Update changelog for 3.0.9 and 3.0.10 #9917 (@jasongrout)
Update link to JupyterLab Demo Binder #9872 (@afshin)
Add link to source extension list of metadata in prebuilt extensions #9860 (@bsyouness)
fix release_test, squash all non-eslint CI warnings #9854 (@bollwyvl)
Convert Changelog to Markdown #9846 (@afshin)
Update changelog for 3.0.8 #9805 (@blink1073)
Link to file with lab CSS variables #9788 (@yuvipanda)
Add "author_name" to cookiecutter #9783 (@janjagusch)
Update extension_dev.rst #9728 (@stadlerb)
Update changelog for 3.0.7 #9722 (@blink1073)
Remove outdated note on ipywidgets #9707 (@krassowski)
Update notebook toolbar example docs #9705 (@blink1073)
DOC: Make code block background less ugly #9413 (@mgeier)

Contributors to this release

(GitHub contributors page for this release)

v3.0

See the JupyterLab 3.0 milestone on GitHub for the full list of pull requests and issues closed.

3.0.3

Diff

jasongrout

published 3.0.3 • 6 years ago

Changelog

Source

v3.0.3

Move open_browser to the top level configs of classes. (#9580)

3.0.2

Diff

blink1073

published 3.0.2 • 6 years ago

Changelog

Source

v3.0.2

Manage kernel message queueing better to prevent out-of-order execution. (#9571)
Fix breadcrumb links. (#9572)
Fix integration with JupyterHub. (#9568)
Fix parsing of empty CSV files. (#9557)
Use tree/table buttons to display debugger variables view mode. (#9502)
Update tutorial for final jlab 3 release. (#9562)
Fix upgrade_extension.py. (#9551, #9550)
Update the Binder link in the README to point to a 3.0 Binder. (#9549)

3.0.1

Diff

blink1073

published 3.0.1 • 6 years ago

Changelog

Source

v3.0.1

Fixes error when applying jupyterlab.upgrade_extension on Windows. (#9546)
Improve upgrade script to add style settings. (#9515)
Fixed incorrect link to GitHub milestone. (#9516)
Split contribution guidelines into web-based and local instructions. (#9540)
Remove --checkout 3.0 in the extension tutorial. (#9545)
Docs updates for 3.0. (#9546)
Fix usage test. (#9547)
Remove visible 1px border for terminal. (#9548)

3.0.0-1

Diff

jasongrout

published 3.0.0-1 • 6 years ago

3.0.0-0

Diff

jasongrout

published 3.0.0-0 • 6 years ago

2.0.3

Diff

jasongrout

published 2.0.3 • 6 years ago

2.0.2

Diff

jasongrout

published 2.0.2 • 6 years ago

Changelog

Source

v2.0.2

April 2020

See the JupyterLab 2.0.2 milestone on GitHub for the full list of pull requests and issues closed.

Fix cell execution when recording timing (#8057, #8056)
Fix font settings for the editor (#8004, #7910)
Avoid redundant checkpoint calls on loading a notebook (#7926, #7889)
For developers: make kernel IFuture.done typings more correct by not including undefined (#8032)

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@jupyterlab/services - npm Package Versions

3.1.3

3.1.2

.css-1z04cui{margin-bottom:var(--chakra-space-4);font-size:var(--chakra-fontSizes-md);}3.1.2

Enhancements made

Bugs fixed

Maintenance and upkeep improvements

Contributors to this release

3.1.0

3.1.0

User-facing changes

New features added

Enhancements made

Bugs fixed

Maintenance and upkeep improvements

Documentation improvements

Contributors to this release

v3.0

3.0.3

v3.0.3

3.0.2

v3.0.2

3.0.1

v3.0.1

3.0.0-1

3.0.0-0

2.0.3

2.0.2

v2.0.2

April 2020

3.1.2