codio · mloginov · Oct 28, 2025 · Nov 2, 2022 · Jul 18, 2023 · Aug 29, 2023
diff --git a/.eslintignore b/.eslintignore
diff --git a/.eslintrc b/.eslintrc
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -7,7 +7,7 @@ about: Create a report to help us improve
 **Describe the bug**
 A clear and concise description of what the bug is.
 
-**To Reproduce**
+**To reproduce**
 Steps to reproduce the behavior:
 1. Go to '...'
 2. Click on '....'

diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
@@ -10,18 +10,18 @@ jobs:
   npm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           GITREV=$(git rev-parse --short HEAD)
           echo $GITREV
           sed -i "s/^\(.*\"version\".*\)\"\([^\"]\+\)\"\(.*\)\$/\1\"\2-g$GITREV\"\3/" package.json
         if: github.event_name != 'release'
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           # Needs to be explicitly specified for auth to work
           registry-url: 'https://registry.npmjs.org'
       - run: npm install
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: npm
           path: lib
@@ -49,7 +49,7 @@ jobs:
   snap:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           GITREV=$(git rev-parse --short HEAD)
           echo $GITREV
@@ -61,7 +61,7 @@ jobs:
           sed -i "s/^version:.*/version: '$VERSION'/" snap/snapcraft.yaml
       - uses: snapcore/action-build@v1
         id: snapcraft
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: snap
           path: ${{ steps.snapcraft.outputs.snap }}

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
@@ -6,14 +6,14 @@ jobs:
   eslint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - run: npm update
       - run: npm run lint
   html:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - run: npm update
       - run: git ls-tree --name-only -r HEAD | grep -E "[.](html|css)$" | xargs ./utils/validate
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Upload to s3
         run: ./uploadToS3.sh "${{ secrets.ASSETS_UPLOADER_KEY }}" "${{ secrets.ASSETS_UPLOADER_SECRET }}" "${{ github.event.release.tag_name }}"

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -20,8 +20,8 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - run: npm update
       - run: npm run test
         env:

diff --git a/.github/workflows/translate.yml b/.github/workflows/translate.yml
@@ -6,8 +6,8 @@ jobs:
   translate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
       - run: npm update
       - run: sudo apt-get install gettext
       - run: make -C po update-pot

diff --git a/LICENSE.txt b/LICENSE.txt
@@ -1,4 +1,4 @@
-noVNC is Copyright (C) 2022 The noVNC Authors
+noVNC is Copyright (C) 2022 The noVNC authors
 (./AUTHORS)
 
 The noVNC core library files are licensed under the MPL 2.0 (Mozilla

diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-## noVNC: HTML VNC Client Library and Application
+## noVNC: HTML VNC client library and application
 
 [![Test Status](https://github.com/novnc/noVNC/workflows/Test/badge.svg)](https://github.com/novnc/noVNC/actions?query=workflow%3ATest)
 [![Lint Status](https://github.com/novnc/noVNC/workflows/Lint/badge.svg)](https://github.com/novnc/noVNC/actions?query=workflow%3ALint)
@@ -14,26 +14,24 @@ Many companies, projects and products have integrated noVNC including
 [OpenNebula](http://opennebula.org/),
 [LibVNCServer](http://libvncserver.sourceforge.net), and
 [ThinLinc](https://cendio.com/thinlinc). See
-[the Projects and Companies wiki page](https://github.com/novnc/noVNC/wiki/Projects-and-companies-using-noVNC)
+[the Projects and companies wiki page](https://github.com/novnc/noVNC/wiki/Projects-and-companies-using-noVNC)
 for a more complete list with additional info and links.
 
-### Table of Contents
+### Table of contents
 
 - [News/help/contact](#newshelpcontact)
 - [Features](#features)
 - [Screenshots](#screenshots)
-- [Browser Requirements](#browser-requirements)
-- [Server Requirements](#server-requirements)
-- [Quick Start](#quick-start)
-- [Installation from Snap Package](#installation-from-snap-package)
-- [Integration and Deployment](#integration-and-deployment)
+- [Browser requirements](#browser-requirements)
+- [Server requirements](#server-requirements)
+- [Quick start](#quick-start)
+- [Installation from snap package](#installation-from-snap-package)
+- [Integration and deployment](#integration-and-deployment)
 - [Authors/Contributors](#authorscontributors)
 
 ### News/help/contact
 
 The project website is found at [novnc.com](http://novnc.com).
-Notable commits, announcements and news are posted to
-[@noVNC](http://www.twitter.com/noVNC).
 
 If you are a noVNC developer/integrator/user (or want to be) please join the
 [noVNC discussion group](https://groups.google.com/forum/?fromgroups#!forum/novnc).
@@ -59,7 +57,6 @@ profits such as:
 [Electronic Frontier Foundation](https://www.eff.org/),
 [Against Malaria Foundation](http://www.againstmalaria.com/),
 [Nothing But Nets](http://www.nothingbutnets.net/), etc.
-Please tweet [@noVNC](http://www.twitter.com/noVNC) if you do.
 
 
 ### Features
@@ -69,8 +66,9 @@ Please tweet [@noVNC](http://www.twitter.com/noVNC) if you do.
   RSA-AES, Tight, VeNCrypt Plain, XVP, Apple's Diffie-Hellman,
   UltraVNC's MSLogonII
 * Supported VNC encodings: raw, copyrect, rre, hextile, tight, tightPNG,
-  ZRLE, JPEG
+  ZRLE, JPEG, Zlib, H.264
 * Supports scaling, clipping and resizing the desktop
+* Supports back & forward mouse buttons
 * Local cursor rendering
 * Clipboard copy/paste with full Unicode support
 * Translations
@@ -89,16 +87,16 @@ See more screenshots
 [here](http://novnc.com/screenshots.html).
 
 
-### Browser Requirements
+### Browser requirements
 
 noVNC uses many modern web technologies so a formal requirement list is
 not available. However these are the minimum versions we are currently
 aware of:
 
-* Chrome 64, Firefox 79, Safari 13.4, Opera 51, Edge 79
+* Chrome 89, Firefox 89, Safari 15, Opera 75, Edge 89
 
 
-### Server Requirements
+### Server requirements
 
 noVNC follows the standard VNC protocol, but unlike other VNC clients it does
 require WebSockets support. Many servers include support (e.g.
@@ -110,7 +108,7 @@ use a WebSockets to TCP socket proxy. noVNC has a sister project
 proxy.
 
 
-### Quick Start
+### Quick start
 
 * Use the `novnc_proxy` script to automatically download and start websockify, which
   includes a mini-webserver and the WebSockets proxy. The `--vnc` option is
@@ -127,25 +125,25 @@ proxy.
   script. Hit the Connect button, enter a password if the VNC server has one
   configured, and enjoy!
 
-### Installation from Snap Package
-Running the command below will install the latest release of noVNC from Snap:
+### Installation from snap package
+Running the command below will install the latest release of noVNC from snap:
 
 `sudo snap install novnc`
 
-#### Running noVNC from Snap Directly
+#### Running noVNC from snap directly
 
-You can run the Snap-package installed novnc directly with, for example:
+You can run the snap package installed novnc directly with, for example:
 
 `novnc --listen 6081 --vnc localhost:5901 # /snap/bin/novnc if /snap/bin is not in your PATH`
 
-If you want to use certificate files, due to standard Snap confinement restrictions you need to have them in the /home/\<user\>/snap/novnc/current/ directory. If your username is jsmith an example command would be:
+If you want to use certificate files, due to standard snap confinement restrictions you need to have them in the /home/\<user\>/snap/novnc/current/ directory. If your username is jsmith an example command would be:
 
   `novnc --listen 8443 --cert ~jsmith/snap/novnc/current/self.crt --key ~jsmith/snap/novnc/current/self.key --vnc ubuntu.example.com:5901`
 
-#### Running noVNC from Snap as a Service (Daemon)
-The Snap package also has the capability to run a 'novnc' service which can be 
+#### Running noVNC from snap as a service (daemon)
+The snap package also has the capability to run a 'novnc' service which can be
 configured to listen on multiple ports connecting to multiple VNC servers 
-(effectively a service runing multiple instances of novnc).
+(effectively a service running multiple instances of novnc).
 Instructions (with example values):
 
 List current services (out-of-box this will be blank):
@@ -175,7 +173,7 @@ services.n6082.listen  6082
 services.n6082.vnc     localhost:5902
 ```
 
-Disable a service (note that because of a limitation in  Snap it's currently not 
+Disable a service (note that because of a limitation in snap it's currently not
 possible to unset config variables, setting them to blank values is the way 
 to disable a service):
 
@@ -192,7 +190,7 @@ services.n6082.listen
 services.n6082.vnc
 ```
 
-### Integration and Deployment
+### Integration and deployment
 
 Please see our other documents for how to integrate noVNC in your own software,
 or deploying the noVNC application in production environments:
@@ -215,8 +213,8 @@ that list and you think you should be, feel free to send a PR to fix that.
     * [Solly Ross](https://github.com/DirectXMan12) (Red Hat / OpenStack)
 
 * Notable contributions:
-    * UI and Icons : Pierre Ossman, Chris Gordon
-    * Original Logo : Michael Sersen
+    * UI and icons : Pierre Ossman, Chris Gordon
+    * Original logo : Michael Sersen
     * tight encoding : Michael Tinglof (Mercuri.ca)
     * RealVNC RSA AES authentication : USTC Vlab Team
 

diff --git a/app/codio-utils.js b/app/codio-utils.js
@@ -0,0 +1,19 @@
+export const overrideDefaults = (defaults) => {
+    if (!defaults['autoconnect']) {
+        defaults['autoconnect'] = 'true';
+    }
+    if (!defaults['host']) {
+        defaults['host'] = window.location.hostname;
+    }
+    if (!defaults['port']) {
+        let port = window.location.port;
+        if (!port) {
+            if (window.location.protocol.substring(0, 5) == 'https') {
+                port = 443;
+            } else if (window.location.protocol.substring(0, 4) == 'http') {
+                port = 80;
+            }
+        }
+        defaults['port'] = port;
+    }
+};
diff --git a/app/error-handler.js b/app/error-handler.js
@@ -1,12 +1,12 @@
 /*
  * noVNC: HTML5 VNC client
- * Copyright (C) 2019 The noVNC Authors
+ * Copyright (C) 2019 The noVNC authors
  * Licensed under MPL 2.0 (see LICENSE.txt)
  *
  * See README.md for usage and integration instructions.
  */
 
-// Fallback for all uncought errors
+// Fallback for all uncaught errors
 function handleError(event, err) {
     try {
         const msg = document.getElementById('noVNC_fallback_errormsg');