Update jupyterhub to 6.1 (#2225)

* Initial plan

* Update jupyterhub to 6.1

Co-authored-by: chendelin1982 <16741975+chendelin1982@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: chendelin1982 <16741975+chendelin1982@users.noreply.github.com>

Author: Copilot

apps/jupyterhub/.env

@@ -1,6 +1,6 @@
 W9_REPO=jupyterhub/jupyterhub
 W9_DIST=community
-W9_VERSION=6.0
+W9_VERSION=6.1
 W9_POWER_PASSWORD="oqGH2l!7YOelwC47"
 
 # Canonical semantics live in docs/w9-env-spec.md.

apps/jupyterhub/CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 2026-10-30
+
+- Updated JupyterHub to `6.1`.
+
 ## 2026-09-15
 
 - Updated JupyterHub to `6.0`.

apps/jupyterhub/README.md

@@ -6,6 +6,7 @@
 
 1. In the [Websoft9](https://www.websoft9.com) console, open **My Apps** and select **JupyterHub**.
 2. In the **Access** tab, get the login URL and credentials.
+
 3. Open the login URL in a browser and sign in to confirm the app works.
 
 <!-- W9_GUIDE_START -->
@@ -33,7 +34,7 @@ Apps run as containers; rebuild after any configuration change.
 
 ### Version Support
 
-Supported versions: 6.0, latest.
+Supported versions: 6.1, latest.
 
 The `latest` tag is not guaranteed to remain valid; pin a specific version for production.
 
@@ -73,11 +74,11 @@ Configuration is overridden by mounting `./src/jupyterhub_config.py` to `/etc/ju
 
 - [Docker Hub image](https://hub.docker.com/r/jupyterhub/jupyterhub)
 
-- [Official docs](https://jupyterhub.readthedocs.io/en/6.0.1/tutorial/quickstart-docker.html)
+- [Official docs](https://jupyterhub.readthedocs.io/en/6.1.1/tutorial/quickstart-docker.html)
 
-- [Official docs](https://jupyterhub.readthedocs.io/en/6.0.1/tutorial/getting-started/config-basics.html)
+- [Official docs](https://jupyterhub.readthedocs.io/en/6.1.1/tutorial/getting-started/config-basics.html)
 
-- [Official docs](https://jupyterhub.readthedocs.io/en/6.0.1/howto/upgrading-v6.html)
+- [Official docs](https://jupyterhub.readthedocs.io/en/6.1.1/howto/upgrading-v6.html)
 
 
 <!-- W9_TROUBLESHOOT_START -->

apps/jupyterhub/variables.json

@@ -6,7 +6,7 @@
     {
       "dist": "community",
       "version": [
-        "6.0",
+        "6.1",
         "latest"
       ]
     }
@@ -25,9 +25,9 @@
   "upstream": {
     "image": "https://hub.docker.com/r/jupyterhub/jupyterhub",
     "docs": [
-      "https://jupyterhub.readthedocs.io/en/6.0.1/tutorial/quickstart-docker.html",
-      "https://jupyterhub.readthedocs.io/en/6.0.1/tutorial/getting-started/config-basics.html",
-      "https://jupyterhub.readthedocs.io/en/6.0.1/howto/upgrading-v6.html"
+      "https://jupyterhub.readthedocs.io/en/6.1.1/tutorial/quickstart-docker.html",
+      "https://jupyterhub.readthedocs.io/en/6.1.1/tutorial/getting-started/config-basics.html",
+      "https://jupyterhub.readthedocs.io/en/6.1.1/howto/upgrading-v6.html"
     ]
   },
   "env": {