diff --git a/CHANGELOG.md b/CHANGELOG.md
index cafa29b50..bf5a44462 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,34 @@ Use `pip install pip --upgrade` to upgrade pip. Check pip version with
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 7.0.0a9
+
+([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a8...b4006ce47bf37b31a7049a77971d7e5db1070660))
+
+### Enhancements made
+
+- Update to JupyterLab 4.0.0a31 [#6627](https://github.com/jupyter/notebook/pull/6627) ([@jtpio](https://github.com/jtpio))
+
+### Bugs fixed
+
+- Explicitly specify favicon for /tree view in Notebook [#6608](https://github.com/jupyter/notebook/pull/6608) ([@mcrutch](https://github.com/mcrutch))
+
+### Maintenance and upkeep improvements
+
+- Add run-p (npm-run-all) to dev dependencies [#6629](https://github.com/jupyter/notebook/pull/6629) ([@gabalafou](https://github.com/gabalafou))
+- Moves panel related objects to a dedicated module file [#6625](https://github.com/jupyter/notebook/pull/6625) ([@brichet](https://github.com/brichet))
+- Use pathlib instead of os.path.join in `tests/conftest.py` [#6624](https://github.com/jupyter/notebook/pull/6624) ([@kianelbo](https://github.com/kianelbo))
+- Bump loader-utils from 1.4.1 to 1.4.2 [#6623](https://github.com/jupyter/notebook/pull/6623) ([@dependabot](https://github.com/dependabot))
+- Bump to Python 3.11 on CI [#6600](https://github.com/jupyter/notebook/pull/6600) ([@jtpio](https://github.com/jtpio))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2022-11-11&to=2022-11-21&type=c))
+
+[@brichet](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abrichet+updated%3A2022-11-11..2022-11-21&type=Issues) | [@dependabot](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adependabot+updated%3A2022-11-11..2022-11-21&type=Issues) | [@fcollonval](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Afcollonval+updated%3A2022-11-11..2022-11-21&type=Issues) | [@gabalafou](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agabalafou+updated%3A2022-11-11..2022-11-21&type=Issues) | [@github-actions](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agithub-actions+updated%3A2022-11-11..2022-11-21&type=Issues) | [@jtpio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2022-11-11..2022-11-21&type=Issues) | [@kianelbo](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akianelbo+updated%3A2022-11-11..2022-11-21&type=Issues) | [@mcrutch](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Amcrutch+updated%3A2022-11-11..2022-11-21&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Apre-commit-ci+updated%3A2022-11-11..2022-11-21&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 7.0.0a8
 
 ([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a7...9141f3eabb6a10a5bf742b26713405f9768cb6d2))
@@ -44,8 +72,6 @@ Use `pip install pip --upgrade` to upgrade pip. Check pip version with
 
 [@blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2022-10-13..2022-11-11&type=Issues) | [@bnavigator](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abnavigator+updated%3A2022-10-13..2022-11-11&type=Issues) | [@brichet](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abrichet+updated%3A2022-10-13..2022-11-11&type=Issues) | [@dependabot](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adependabot+updated%3A2022-10-13..2022-11-11&type=Issues) | [@echarles](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aecharles+updated%3A2022-10-13..2022-11-11&type=Issues) | [@fcollonval](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Afcollonval+updated%3A2022-10-13..2022-11-11&type=Issues) | [@github-actions](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agithub-actions+updated%3A2022-10-13..2022-11-11&type=Issues) | [@jtpio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2022-10-13..2022-11-11&type=Issues) | [@kostyafarber](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akostyafarber+updated%3A2022-10-13..2022-11-11&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Apre-commit-ci+updated%3A2022-10-13..2022-11-11&type=Issues) | [@RRosio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3ARRosio+updated%3A2022-10-13..2022-11-11&type=Issues) | [@venkatasg](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Avenkatasg+updated%3A2022-10-13..2022-11-11&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 7.0.0a7
 
 ([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a6...caa0a11e36901c08ae80100fe2bbc5161c47dfee))
diff --git a/app/package.json b/app/package.json
index e0f0d6aa6..1372ebfa4 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/app",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "private": true,
   "scripts": {
     "build": "webpack",
@@ -11,17 +11,17 @@
     "watch": "webpack --config ./webpack.config.watch.js"
   },
   "resolutions": {
-    "@jupyter-notebook/application": "~7.0.0-alpha.8",
-    "@jupyter-notebook/application-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/console-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/docmanager-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/documentsearch-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/help-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/notebook-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/terminal-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/tree": "~7.0.0-alpha.8",
-    "@jupyter-notebook/tree-extension": "~7.0.0-alpha.8",
-    "@jupyter-notebook/ui-components": "~7.0.0-alpha.8",
+    "@jupyter-notebook/application": "~7.0.0-alpha.9",
+    "@jupyter-notebook/application-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/console-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/docmanager-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/documentsearch-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/help-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/notebook-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/terminal-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/tree": "~7.0.0-alpha.9",
+    "@jupyter-notebook/tree-extension": "~7.0.0-alpha.9",
+    "@jupyter-notebook/ui-components": "~7.0.0-alpha.9",
     "@jupyter-notebook/ydoc": "~0.2.0",
     "@jupyterlab/application": "~4.0.0-alpha.16",
     "@jupyterlab/application-extension": "~4.0.0-alpha.16",
@@ -107,17 +107,17 @@
     "yjs": "~13.5.42"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
-    "@jupyter-notebook/application-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/console-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/docmanager-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/documentsearch-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/help-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/notebook-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/terminal-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/tree": "^7.0.0-alpha.8",
-    "@jupyter-notebook/tree-extension": "^7.0.0-alpha.8",
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
+    "@jupyter-notebook/application-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/console-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/docmanager-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/documentsearch-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/help-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/notebook-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/terminal-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/tree": "^7.0.0-alpha.9",
+    "@jupyter-notebook/tree-extension": "^7.0.0-alpha.9",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.9",
     "@jupyterlab/application-extension": "^4.0.0-alpha.16",
     "@jupyterlab/apputils-extension": "^4.0.0-alpha.16",
     "@jupyterlab/cell-toolbar-extension": "^4.0.0-alpha.16",
diff --git a/buildutils/package.json b/buildutils/package.json
index 31e400f32..dc0151483 100644
--- a/buildutils/package.json
+++ b/buildutils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/buildutils",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "private": true,
   "description": "Jupyter Notebook - Build Utilities",
   "homepage": "https://github.com/jupyter/notebook",
diff --git a/notebook/_version.py b/notebook/_version.py
index 916dad0a8..6b26e9a5a 100644
--- a/notebook/_version.py
+++ b/notebook/_version.py
@@ -4,7 +4,7 @@ import re
 from collections import namedtuple
 
 # Use "hatch version xx.yy.zz" to handle version changes
-__version__ = "7.0.0a8"
+__version__ = "7.0.0a9"
 
 # PEP440 version parser
 _version_regex = re.compile(
diff --git a/packages/_metapackage/package.json b/packages/_metapackage/package.json
index 0265dc79d..84317441f 100644
--- a/packages/_metapackage/package.json
+++ b/packages/_metapackage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/metapackage",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "private": true,
   "description": "Jupyter Notebook - Metapackage",
   "homepage": "https://github.com/jupyter/notebook",
diff --git a/packages/application-extension/package.json b/packages/application-extension/package.json
index f0e910206..e1d059baa 100644
--- a/packages/application-extension/package.json
+++ b/packages/application-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/application-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Application Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,8 +39,8 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/celltags": "^4.0.0-alpha.16",
diff --git a/packages/application/package.json b/packages/application/package.json
index 4c9ca31a5..cdaf171ec 100644
--- a/packages/application/package.json
+++ b/packages/application/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/application",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Application",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
diff --git a/packages/console-extension/package.json b/packages/console-extension/package.json
index 2dee86eee..d5fb28066 100644
--- a/packages/console-extension/package.json
+++ b/packages/console-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/console-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Console Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
diff --git a/packages/docmanager-extension/package.json b/packages/docmanager-extension/package.json
index 88e58f315..f5673fa32 100644
--- a/packages/docmanager-extension/package.json
+++ b/packages/docmanager-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/docmanager-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Document Manager Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
diff --git a/packages/documentsearch-extension/package.json b/packages/documentsearch-extension/package.json
index 83a92c0c3..4318ef4aa 100644
--- a/packages/documentsearch-extension/package.json
+++ b/packages/documentsearch-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/documentsearch-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Document Search Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,7 +39,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/documentsearch": "^4.0.0-alpha.16",
     "@lumino/widgets": "^2.0.0-alpha.6"
diff --git a/packages/help-extension/package.json b/packages/help-extension/package.json
index f21e919dd..70e4fb58a 100644
--- a/packages/help-extension/package.json
+++ b/packages/help-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/help-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Help Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,7 +39,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.8",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/mainmenu": "^4.0.0-alpha.16",
diff --git a/packages/lab-extension/package.json b/packages/lab-extension/package.json
index 34c261198..e1d19b1e5 100644
--- a/packages/lab-extension/package.json
+++ b/packages/lab-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/lab-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Lab Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -43,7 +43,7 @@
     "watch:src": "tsc -w"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/coreutils": "^6.0.0-alpha.16",
diff --git a/packages/notebook-extension/package.json b/packages/notebook-extension/package.json
index 1b5fb8c94..40cc31688 100644
--- a/packages/notebook-extension/package.json
+++ b/packages/notebook-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/notebook-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Notebook Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,7 +39,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/cells": "^4.0.0-alpha.16",
diff --git a/packages/terminal-extension/package.json b/packages/terminal-extension/package.json
index e78549001..fe09a72e5 100644
--- a/packages/terminal-extension/package.json
+++ b/packages/terminal-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/terminal-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Terminal Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
diff --git a/packages/tree-extension/package.json b/packages/tree-extension/package.json
index 5d1a0a5be..05616ef6a 100644
--- a/packages/tree-extension/package.json
+++ b/packages/tree-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/tree-extension",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Tree Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,8 +39,8 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
-    "@jupyter-notebook/tree": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
+    "@jupyter-notebook/tree": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/coreutils": "^6.0.0-alpha.16",
diff --git a/packages/tree/package.json b/packages/tree/package.json
index 3b0ad0350..0663843c5 100644
--- a/packages/tree/package.json
+++ b/packages/tree/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/tree",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - Tree",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -39,7 +39,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.8",
+    "@jupyter-notebook/application": "^7.0.0-alpha.9",
     "@jupyterlab/application": "^4.0.0-alpha.16",
     "@jupyterlab/apputils": "^4.0.0-alpha.16",
     "@jupyterlab/coreutils": "^6.0.0-alpha.16",
diff --git a/packages/ui-components/package.json b/packages/ui-components/package.json
index a51998c4c..7d364aee6 100644
--- a/packages/ui-components/package.json
+++ b/packages/ui-components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/ui-components",
-  "version": "7.0.0-alpha.8",
+  "version": "7.0.0-alpha.9",
   "description": "Jupyter Notebook - UI components",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {