diff --git a/CHANGELOG.md b/CHANGELOG.md
index 780f829504..88c21f3ad6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,37 @@ Use `pip install pip --upgrade` to upgrade pip. Check pip version with
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 7.0.0a14
+
+([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a13...f9e427cf4e92dbaa5794fe0331ca92b41d45d52c))
+
+### Enhancements made
+
+- Fix loading of plugins [#6750](https://github.com/jupyter/notebook/pull/6750) ([@jtpio](https://github.com/jtpio))
+- Add the extension manager [#6747](https://github.com/jupyter/notebook/pull/6747) ([@jtpio](https://github.com/jtpio))
+- File browser CSS tweaks [#6738](https://github.com/jupyter/notebook/pull/6738) ([@jtpio](https://github.com/jtpio))
+- Add trusted indicator [#6736](https://github.com/jupyter/notebook/pull/6736) ([@jtpio](https://github.com/jtpio))
+
+### Maintenance and upkeep improvements
+
+- Clean up license [#6743](https://github.com/jupyter/notebook/pull/6743) ([@dcsaba89](https://github.com/dcsaba89))
+- Update to TypeScript 5 [#6735](https://github.com/jupyter/notebook/pull/6735) ([@jtpio](https://github.com/jtpio))
+- Enable `nx` [#6718](https://github.com/jupyter/notebook/pull/6718) ([@jtpio](https://github.com/jtpio))
+
+### Documentation improvements
+
+- Corrected "Recomment" to "Recommend" [#6741](https://github.com/jupyter/notebook/pull/6741) ([@Tony-j77](https://github.com/Tony-j77))
+- Docs: add migrate to notebook7 page [#6737](https://github.com/jupyter/notebook/pull/6737) ([@echarles](https://github.com/echarles))
+- Add section about updating reference snapshots [#6733](https://github.com/jupyter/notebook/pull/6733) ([@jtpio](https://github.com/jtpio))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2023-02-15&to=2023-03-01&type=c))
+
+[@dcsaba89](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adcsaba89+updated%3A2023-02-15..2023-03-01&type=Issues) | [@echarles](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aecharles+updated%3A2023-02-15..2023-03-01&type=Issues) | [@github-actions](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agithub-actions+updated%3A2023-02-15..2023-03-01&type=Issues) | [@jtpio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2023-02-15..2023-03-01&type=Issues) | [@RRosio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3ARRosio+updated%3A2023-02-15..2023-03-01&type=Issues) | [@Tony-j77](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3ATony-j77+updated%3A2023-02-15..2023-03-01&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 7.0.0a13
 
 ([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a12...ef67879306b27dfa78b8d639d9cc142b50f8c7ba))
@@ -37,8 +68,6 @@ Use `pip install pip --upgrade` to upgrade pip. Check pip version with
 
 [@brichet](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abrichet+updated%3A2023-02-08..2023-02-15&type=Issues) | [@github-actions](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Agithub-actions+updated%3A2023-02-08..2023-02-15&type=Issues) | [@jtpio](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajtpio+updated%3A2023-02-08..2023-02-15&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Apre-commit-ci+updated%3A2023-02-08..2023-02-15&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 7.0.0a12
 
 ([Full Changelog](https://github.com/jupyter/notebook/compare/v7.0.0a11...27c2bfbb80d42a3fd2541b13fae6143e2e91e4dd))
diff --git a/app/package.json b/app/package.json
index 18434233bb..34c5d89a9e 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/app",
-  "version": "7.0.0-alpha.13",
+  "version": "7.0.0-alpha.14",
   "private": true,
   "scripts": {
     "build": "webpack",
@@ -10,17 +10,17 @@
     "watch": "webpack --config ./webpack.config.watch.js"
   },
   "resolutions": {
-    "@jupyter-notebook/application": "~7.0.0-alpha.13",
-    "@jupyter-notebook/application-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/console-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/docmanager-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/documentsearch-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/help-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/notebook-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/terminal-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/tree": "~7.0.0-alpha.13",
-    "@jupyter-notebook/tree-extension": "~7.0.0-alpha.13",
-    "@jupyter-notebook/ui-components": "~7.0.0-alpha.13",
+    "@jupyter-notebook/application": "~7.0.0-alpha.14",
+    "@jupyter-notebook/application-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/console-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/docmanager-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/documentsearch-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/help-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/notebook-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/terminal-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/tree": "~7.0.0-alpha.14",
+    "@jupyter-notebook/tree-extension": "~7.0.0-alpha.14",
+    "@jupyter-notebook/ui-components": "~7.0.0-alpha.14",
     "@jupyter/ydoc": "~0.3.1",
     "@jupyterlab/application": "~4.0.0-alpha.19",
     "@jupyterlab/application-extension": "~4.0.0-alpha.19",
@@ -106,17 +106,17 @@
     "yjs": "~13.5.45"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
-    "@jupyter-notebook/application-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/console-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/docmanager-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/documentsearch-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/help-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/notebook-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/terminal-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/tree": "^7.0.0-alpha.13",
-    "@jupyter-notebook/tree-extension": "^7.0.0-alpha.13",
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
+    "@jupyter-notebook/application-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/console-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/docmanager-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/documentsearch-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/help-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/notebook-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/terminal-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/tree": "^7.0.0-alpha.14",
+    "@jupyter-notebook/tree-extension": "^7.0.0-alpha.14",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.14",
     "@jupyterlab/application-extension": "^4.0.0-alpha.19",
     "@jupyterlab/apputils-extension": "^4.0.0-alpha.19",
     "@jupyterlab/cell-toolbar-extension": "^4.0.0-alpha.19",
@@ -179,12 +179,7 @@
   },
   "jupyterlab": {
     "name": "Jupyter Notebook",
-    "mimeExtensions": {
-      "@jupyterlab/javascript-extension": true,
-      "@jupyterlab/json-extension": true,
-      "@jupyterlab/pdf-extension": true,
-      "@jupyterlab/vega5-extension": true
-    },
+    "mimeExtensions": {},
     "plugins": {
       "/": {
         "@jupyter-notebook/application-extension": true,
@@ -369,6 +364,7 @@
       "react",
       "react-dom",
       "yjs"
-    ]
+    ],
+    "linkedPackages": {}
   }
 }
diff --git a/buildutils/package.json b/buildutils/package.json
index e79ac58fc5..51f9585de9 100644
--- a/buildutils/package.json
+++ b/buildutils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/buildutils",
-  "version": "7.0.0-alpha.13",
+  "version": "7.0.0-alpha.14",
   "private": true,
   "description": "Jupyter Notebook - Build Utilities",
   "homepage": "https://github.com/jupyter/notebook",
diff --git a/notebook/_version.py b/notebook/_version.py
index b75d0ab842..727ab4fbd2 100644
--- a/notebook/_version.py
+++ b/notebook/_version.py
@@ -5,7 +5,7 @@
 from collections import namedtuple
 
 # Use "hatch version xx.yy.zz" to handle version changes
-__version__ = "7.0.0a13"
+__version__ = "7.0.0a14"
 
 # PEP440 version parser
 _version_regex = re.compile(
diff --git a/packages/_metapackage/package.json b/packages/_metapackage/package.json
index f0201d96d3..4c4b97fed7 100644
--- a/packages/_metapackage/package.json
+++ b/packages/_metapackage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/metapackage",
-  "version": "7.0.0-alpha.13",
+  "version": "7.0.0-alpha.14",
   "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 28c0921b4e..792a0d22f5 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Application Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,8 +38,8 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/celltags": "^4.0.0-alpha.19",
diff --git a/packages/application/package.json b/packages/application/package.json
index 74ea7ae46c..f1aacb124b 100644
--- a/packages/application/package.json
+++ b/packages/application/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/application",
-  "version": "7.0.0-alpha.13",
+  "version": "7.0.0-alpha.14",
   "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 f7a21b8d65..321617fc84 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.13",
+  "version": "7.0.0-alpha.14",
   "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 b2fea83a02..7a7b3b0b5d 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.13",
+  "version": "7.0.0-alpha.14",
   "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 97ba271aeb..9fbc82432c 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Document Search Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,7 +38,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/documentsearch": "^4.0.0-alpha.19",
     "@lumino/widgets": "^2.0.0-beta.1"
diff --git a/packages/help-extension/package.json b/packages/help-extension/package.json
index fa03350184..5b03d61a93 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Help Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,7 +38,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/ui-components": "^7.0.0-alpha.13",
+    "@jupyter-notebook/ui-components": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/mainmenu": "^4.0.0-alpha.19",
diff --git a/packages/lab-extension/package.json b/packages/lab-extension/package.json
index 395b00b2e4..8fa1f75183 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.13",
+  "version": "7.0.0-alpha.14",
   "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.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/coreutils": "^6.0.0-alpha.19",
diff --git a/packages/notebook-extension/package.json b/packages/notebook-extension/package.json
index fb6a14c1a9..143a875f05 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Notebook Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,7 +38,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/cells": "^4.0.0-alpha.19",
diff --git a/packages/terminal-extension/package.json b/packages/terminal-extension/package.json
index d6e7ca1c2f..47f13ad8c9 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.13",
+  "version": "7.0.0-alpha.14",
   "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 bcaf950914..ac89f7c3c2 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Tree Extension",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,8 +38,8 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
-    "@jupyter-notebook/tree": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
+    "@jupyter-notebook/tree": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/coreutils": "^6.0.0-alpha.19",
diff --git a/packages/tree/package.json b/packages/tree/package.json
index 04801e9fa0..d4b5a269be 100644
--- a/packages/tree/package.json
+++ b/packages/tree/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jupyter-notebook/tree",
-  "version": "7.0.0-alpha.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - Tree",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {
@@ -38,7 +38,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter-notebook/application": "^7.0.0-alpha.13",
+    "@jupyter-notebook/application": "^7.0.0-alpha.14",
     "@jupyterlab/application": "^4.0.0-alpha.19",
     "@jupyterlab/apputils": "^4.0.0-alpha.19",
     "@jupyterlab/coreutils": "^6.0.0-alpha.19",
diff --git a/packages/ui-components/package.json b/packages/ui-components/package.json
index 35209be1a6..c5b1de2e21 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.13",
+  "version": "7.0.0-alpha.14",
   "description": "Jupyter Notebook - UI components",
   "homepage": "https://github.com/jupyter/notebook",
   "bugs": {