Automated Changelog Entry for 4.0.0a9 on master

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Automated Changelog Entry for 4.0.0a9 on master
Python version: 4.0.0a9
npm version: @jupyterlab/repo-top: 0.0.1
npm workspace versions:
@jupyterlab/application-top: 3.3.0-alpha.9
@jupyterlab/example-federated: 2.4.0-alpha.9
@jupyterlab/example-cell: 3.3.0-alpha.9
@jupyterlab/example-filebrowser: 3.3.0-alpha.9
@jupyterlab/example-console: 3.3.0-alpha.9
@jupyterlab/example-notebook: 3.3.0-alpha.9
@jupyterlab/example-app: 3.3.0-alpha.9
@jupyterlab/example-terminal: 3.3.0-alpha.9
@jupyterlab/example-federated-core: 2.4.0-alpha.9
@jupyterlab/example-federated-md: 2.4.0-alpha.9
@jupyterlab/example-federated-middle: 2.4.0-alpha.9
@jupyterlab/example-federated-phosphor: 2.4.0-alpha.9
@jupyterlab/services: 6.3.0-alpha.9
@jupyterlab/completer: 3.3.0-alpha.9
@jupyterlab/vega5-extension: 3.3.0-alpha.9
@jupyterlab/rendermime-interfaces: 3.3.0-alpha.9
@jupyterlab/outputarea: 3.3.0-alpha.9
@jupyterlab/terminal-extension: 3.3.0-alpha.9
@jupyterlab/tooltip-extension: 3.3.0-alpha.9
@jupyterlab/translation-extension: 3.3.0-alpha.9
@jupyterlab/csvviewer-extension: 3.3.0-alpha.9
@jupyterlab/documentsearch-extension: 3.3.0-alpha.9
@jupyterlab/attachments: 3.3.0-alpha.9
@jupyterlab/ui-components-extension: 3.3.0-alpha.9
@jupyterlab/javascript-extension: 3.3.0-alpha.9
@jupyterlab/console-extension: 3.3.0-alpha.9
@jupyterlab/pdf-extension: 3.3.0-alpha.9
@jupyterlab/apputils: 3.3.0-alpha.9
@jupyterlab/codemirror: 3.3.0-alpha.9
@jupyterlab/toc: 5.3.0-alpha.9
@jupyterlab/logconsole: 3.3.0-alpha.9
@jupyterlab/extensionmanager: 3.3.0-alpha.9
@jupyterlab/help-extension: 3.3.0-alpha.9
@jupyterlab/running-extension: 3.3.0-alpha.9
@jupyterlab/statedb: 3.3.0-alpha.9
@jupyterlab/translation: 3.3.0-alpha.9
@jupyterlab/mainmenu-extension: 3.3.0-alpha.9
@jupyterlab/hub-extension: 3.3.0-alpha.9
@jupyterlab/fileeditor: 3.3.0-alpha.9
@jupyterlab/inspector-extension: 3.3.0-alpha.9
@jupyterlab/rendermime-extension: 3.3.0-alpha.9
@jupyterlab/docregistry: 3.3.0-alpha.9
@jupyterlab/rendermime: 3.3.0-alpha.9
@jupyterlab/mathjax2-extension: 3.3.0-alpha.9
@jupyterlab/theme-light-extension: 3.3.0-alpha.9
@jupyterlab/docprovider-extension: 3.3.0-alpha.9
@jupyterlab/extensionmanager-extension: 3.3.0-alpha.9
@jupyterlab/debugger: 3.3.0-alpha.9
@jupyterlab/htmlviewer: 3.3.0-alpha.9
@jupyterlab/statusbar-extension: 3.3.0-alpha.9
@jupyterlab/logconsole-extension: 3.3.0-alpha.9
@jupyterlab/shortcuts-extension: 3.3.0-alpha.9
@jupyterlab/codemirror-extension: 3.3.0-alpha.9
@jupyterlab/notebook-extension: 3.3.0-alpha.9
@jupyterlab/fileeditor-extension: 3.3.0-alpha.9
@jupyterlab/json-extension: 3.3.0-alpha.9
@jupyterlab/mathjax2: 3.3.0-alpha.9
@jupyterlab/shared-models: 3.3.0-alpha.9
@jupyterlab/filebrowser: 3.3.0-alpha.9
@jupyterlab/metapackage: 3.3.0-alpha.9
@jupyterlab/celltags-extension: 3.3.0-alpha.9
@jupyterlab/launcher: 3.3.0-alpha.9
@jupyterlab/vdom: 3.3.0-alpha.9
@jupyterlab/cells: 3.3.0-alpha.9
@jupyterlab/coreutils: 5.3.0-alpha.9
@jupyterlab/application-extension: 3.3.0-alpha.9
@jupyterlab/vdom-extension: 3.3.0-alpha.9
@jupyterlab/settingregistry: 3.3.0-alpha.9
@jupyterlab/application: 3.3.0-alpha.9
@jupyterlab/docmanager: 3.3.0-alpha.9
@jupyterlab/debugger-extension: 3.3.0-alpha.9
@jupyterlab/console: 3.3.0-alpha.9
@jupyterlab/completer-extension: 3.3.0-alpha.9
@jupyterlab/property-inspector: 3.3.0-alpha.9
@jupyterlab/filebrowser-extension: 3.3.0-alpha.9
@jupyterlab/notebook: 3.3.0-alpha.9
@jupyterlab/imageviewer-extension: 3.3.0-alpha.9
@jupyterlab/toc-extension: 5.3.0-alpha.9
@jupyterlab/imageviewer: 3.3.0-alpha.9
@jupyterlab/nbformat: 3.3.0-alpha.9
@jupyterlab/nbconvert-css: 3.3.0-alpha.9
@jupyterlab/codeeditor: 3.3.0-alpha.9
@jupyterlab/documentsearch: 3.3.0-alpha.9
@jupyterlab/mainmenu: 3.3.0-alpha.9
@jupyterlab/theme-dark-extension: 3.3.0-alpha.9
@jupyterlab/csvviewer: 3.3.0-alpha.9
@jupyterlab/docmanager-extension: 3.3.0-alpha.9
@jupyterlab/ui-components: 3.3.0-alpha.9
@jupyterlab/settingeditor: 3.3.0-alpha.9
@jupyterlab/statusbar: 3.3.0-alpha.9
@jupyterlab/docprovider: 3.3.0-alpha.9
@jupyterlab/observables: 4.3.0-alpha.9
@jupyterlab/htmlviewer-extension: 3.3.0-alpha.9
@jupyterlab/markdownviewer-extension: 3.3.0-alpha.9
@jupyterlab/settingeditor-extension: 3.3.0-alpha.9
@jupyterlab/inspector: 3.3.0-alpha.9
@jupyterlab/terminal: 3.3.0-alpha.9
@jupyterlab/markdownviewer: 3.3.0-alpha.9
@jupyterlab/celltags: 3.3.0-alpha.9
@jupyterlab/apputils-extension: 3.3.0-alpha.9
@jupyterlab/tooltip: 3.3.0-alpha.9
@jupyterlab/launcher-extension: 3.3.0-alpha.9
@jupyterlab/running: 3.3.0-alpha.9
node-example: 3.3.0-alpha.9
@jupyterlab/example-services-browser: 3.3.0-alpha.9
@jupyterlab/example-services-outputarea: 3.3.0-alpha.9
@jupyterlab/builder: 3.3.0-alpha.9
@jupyterlab/buildutils: 3.3.0-alpha.9
@jupyterlab/template: 3.3.0-alpha.9
@jupyterlab/galata: 4.3.0-alpha.9
@jupyterlab/testutils: 3.3.0-alpha.9
@jupyterlab/mock-extension: 3.3.0-alpha.9
@jupyterlab/mock-token: 3.3.0-alpha.9
@jupyterlab/mock-provider: 3.3.0-alpha.9
@jupyterlab/mock-consumer: 3.3.0-alpha.9

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Input	Value
Target	jupyterlab/jupyterlab
Branch	master
Version Spec	next
Since	v4.0.0a8

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Benchmark report

The execution time (in milliseconds) are grouped by test file, test type and browser.
For each case, the following values are computed: min <- [1st quartile - median - 3rd quartile] -> max.

Results table

Test file	large_code_notebook	large_md_notebook
open
chromium
actual	6303 <- [6695 - 7181 - 7272] -> 7853	3165 <- [3244 - 3315 - 3423] -> 3631
expected	6938 <- [7584 - 7618 - 7760] -> 8204	3461 <- [3524 - 3534 - 3590] -> 4136
switch-from
chromium
actual	441 <- [463 - 470 - 482] -> 530	293 <- [307 - 317 - 327] -> 363
expected	464 <- [480 - 489 - 499] -> 789	310 <- [338 - 344 - 352] -> 370
switch-to
chromium
actual	1668 <- [1690 - 1705 - 1744] -> 1832	1376 <- [1426 - 1463 - 1482] -> 1549
expected	1706 <- [1730 - 1764 - 1814] -> 2015	1541 <- [1549 - 1562 - 1574] -> 1608
close
chromium
actual	4889 <- [5437 - 7509 - 10192] -> 15030	3325 <- [3440 - 3615 - 3726] -> 4048
expected	5176 <- [5770 - 10533 - 14493] -> 18824	3325 <- [3691 - 3890 - 3939] -> 4073

❗ Test metadata have changed

--- /dev/fd/63	2021-09-13 19:13:02.073462500 +0000
+++ /dev/fd/62	2021-09-13 19:13:02.073462500 +0000
@@ -34,7 +34,7 @@
       "voltage": ""
     },
     "mem": {
-      "total": 7291699200
+      "total": 7291695104
     },
     "osInfo": {
       "arch": "x64",
@@ -46,7 +46,7 @@
       "logofile": "ubuntu",
       "platform": "linux",
       "release": "20.04.3 LTS",
-      "serial": "cfc067bfcb844f35865e279a1b0e66c5",
+      "serial": "0f5fd491ff264b5f9d56e03599b4fae0",
       "servicepack": "",
       "uefi": false
     }