diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9f0f4ac42..78623e08f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -135,7 +135,7 @@ docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t appwrite/
 
 ## Tests
 
-To run tests manually, run phpunit from your command line:
+To run tests manually, use the Appwrite Docker CLI from your terminal:
 
 ```bash
 docker exec appwrite test
diff --git a/README.md b/README.md
index ba01dc08f..df56e9908 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,12 @@ Below is a list of currently supported platforms and languages. If you wish to h
 
 Looking for more SDKs? - Help us by contributing a pull request to our [SDK Generator](https://github.com/appwrite/sdk-generator)!
 
+## Contributing
+
+All code contributions - including those of people having commit access - must go through a pull request and approved by a core developer before being merged. This is to ensure proper review of all the code.
+
+We truly ❤️ pull requests! If you wish to help, you can learn more about how you can contribute to this project in the [contribution guide](CONTRIBUTING.md).
+
 ## Security
 
 For security issues, kindly email us [security@appwrite.io](mailto:security@appwrite.io) instead of posting a public issue in GitHub.
@@ -132,12 +138,6 @@ For security issues, kindly email us [security@appwrite.io](mailto:security@appw
 
 Join our growing community around the world! Follow us on [Twitter](https://twitter.com/appwrite_io), [Facebook Page](https://www.facebook.com/appwrite.io), [Facebook Group](https://www.facebook.com/groups/appwrite.developers/) or join our live [Discord server](https://discord.gg/GSeTUeA) for more help, ideas, and discussions.
 
-## Contributing
-
-All code contributions - including those of people having commit access - must go through a pull request and approved by a core developer before being merged. This is to ensure proper review of all the code.
-
-We truly ❤️ pull requests! If you wish to help, you can learn more about how you can contribute to this project in the [contribution guide](CONTRIBUTING.md).
-
 ## License
 
 This repository is available under the [BSD 3-Clause License](./LICENSE).
diff --git a/app/views/console/account/index.phtml b/app/views/console/account/index.phtml
index e14f73b74..6889764d8 100644
--- a/app/views/console/account/index.phtml
+++ b/app/views/console/account/index.phtml
@@ -236,16 +236,16 @@
                             </form>
                         </span>
 
-                        <img data-ls-attrs="src={{env.API}}/avatars/browsers/{{session.client.short_name|lowercase}}?width=120&height=120&project={{env.PROJECT}},title={{session.client.name}},alt={{session.client.name}}" class="avatar trans pull-start margin-end" />
+                        <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/browsers/{{session.client.short_name|lowercase}}?width=120&height=120&project={{env.PROJECT}},title={{session.client.name}},alt={{session.client.name}}" class="avatar trans pull-start margin-end" />
 
-                        <span data-ls-bind="{{session.client.name}}"></span> <span data-ls-bind="{{session.client.version}}"></span> on <span data-ls-bind="{{session.model}}"></span> <span data-ls-bind="{{session.OS.name}}"></span> <span data-ls-bind="{{session.OS.version}}"></span>
+                        <span data-ls-if="({{session.client.name}})" data-ls-bind="{{session.client.name}}"></span> <span data-ls-if="(!{{session.client.name}})">Unknown</span> <span data-ls-bind="{{session.client.version}}"></span> on <span data-ls-bind="{{session.model}}"></span> <span data-ls-if="(!{{session.OS.name}})">Unknown</span> <span data-ls-if="({{session.OS.name}})" data-ls-bind="{{session.OS.name}}"></span> <span data-ls-bind="{{session.OS.version}}"></span>
                         &nbsp;
                         <span data-ls-if="true == {{session.current}}">
                             <span class="tag green">Current Session</span>
                         </span>
 
                         <div class="margin-top-small">
-                            <img data-ls-attrs="src={{env.API}}/avatars/flags/{{session.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs margin-end-small inline" />
+                            <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/flags/{{session.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs margin-end-small inline" />
                             <small data-ls-bind="{{session.ip}}"></small> / <small data-ls-bind="{{session.geo.country}}"></small>
                         </div>
                     </li>
@@ -294,11 +294,11 @@
                                 <td data-title="Date: "><span data-ls-bind="{{log.time|dateTime}}"></span></td>
                                 <td data-title="Event: "><span data-ls-bind="{{log.event}}"></span></td>
                                 <td data-title="Client: ">
-                                    <img data-ls-attrs="src={{env.API}}/avatars/browsers/{{log.client.short_name|lowercase}}?width=80&height=80&project={{env.PROJECT}},title={{log.client.name}},alt={{log.client.name}}" class="avatar xxs inline margin-end-small" />
+                                    <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/browsers/{{log.client.short_name|lowercase}}?width=80&height=80&project={{env.PROJECT}},title={{log.client.name}},alt={{log.client.name}}" class="avatar xxs inline margin-end-small" />
                                     <span data-ls-bind="{{log.client.name}} {{log.client.version}} on {{log.model}} {{log.OS.name}} {{log.OS.version}}"></span>
                                 </td>
                                 <td data-title="Location: ">
-                                    <img data-ls-attrs="src={{env.API}}/avatars/flags/{{log.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs inline" style="margin-top: 10px;" />
+                                    <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/flags/{{log.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs inline margin-end-small" style="margin-top: 10px;" />
                                     <span data-ls-bind="{{log.geo.country}}"></span>
                                 </td>
                                 <td data-title="IP: "><span data-ls-bind="{{log.ip}}"></span></td>
diff --git a/app/views/console/users/user.phtml b/app/views/console/users/user.phtml
index 760e2b998..cd4f0e2ae 100644
--- a/app/views/console/users/user.phtml
+++ b/app/views/console/users/user.phtml
@@ -179,12 +179,12 @@
                                         <button class="danger">Logout</button>
                                     </form>
 
-                                    <img data-ls-attrs="src={{env.API}}/avatars/browsers/{{session.client.short_name|lowercase}}?width=120&height=120&project={{env.PROJECT}},title={{session.client.name}},alt={{session.client.name}}" class="avatar trans pull-start margin-end" />
+                                    <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/browsers/{{session.client.short_name|lowercase}}?width=120&height=120&project={{env.PROJECT}},title={{session.client.name}},alt={{session.client.name}}" class="avatar trans pull-start margin-end" />
 
-                                    <span data-ls-bind="{{session.client.name}}"></span> <span data-ls-bind="{{session.client.version}}"></span> on <span data-ls-bind="{{session.model}}"></span> <span data-ls-bind="{{session.OS.name}}"></span> <span data-ls-bind="{{session.OS.version}}"></span>
+                                    <span data-ls-if="({{session.client.name}})" data-ls-bind="{{session.client.name}}"></span> <span data-ls-if="(!{{session.client.name}})">Unknown</span> <span data-ls-bind="{{session.client.version}}"></span> on <span data-ls-bind="{{session.model}}"></span> <span data-ls-if="(!{{session.OS.name}})">Unknown</span> <span data-ls-if="({{session.OS.name}})" data-ls-bind="{{session.OS.name}}"></span> <span data-ls-bind="{{session.OS.version}}"></span>
 
                                     <div class="margin-top-small">
-                                        <img data-ls-attrs="src={{env.API}}/avatars/flags/{{session.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs margin-end-small inline" />
+                                        <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/flags/{{session.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs margin-end-small inline" />
                                         <small data-ls-bind="{{session.ip}}"></small> / <small data-ls-bind="{{session.geo.country}}"></small>
                                     </div>
                                 </li>
@@ -239,12 +239,12 @@
                                     <td data-title="Date: "><span data-ls-bind="{{log.time|dateTime}}"></span></td>
                                     <td data-title="Event: "><span data-ls-bind="{{log.event}}"></span></td>
                                     <td data-title="Client: ">
-                                        <img data-ls-if="({{log.client.short_name}})" data-ls-attrs="src={{env.API}}/avatars/browsers/{{log.client.short_name|lowercase}}?width=80&height=80&project={{env.PROJECT}},title={{log.client.name}},alt={{log.client.name}}" class="avatar xxs inline margin-end-small" />
+                                        <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-if="({{log.client.short_name}})" data-ls-attrs="src={{env.API}}/avatars/browsers/{{log.client.short_name|lowercase}}?width=80&height=80&project={{env.PROJECT}},title={{log.client.name}},alt={{log.client.name}}" class="avatar xxs inline margin-end-small" />
                                         <span data-ls-if="({{log.client.name}})" data-ls-bind="{{log.client.name}} {{log.client.version}} on {{log.model}} {{log.OS.name}} {{log.OS.version}}"></span>
                                         <div data-ls-if="(!{{log.client.name}})" class="text-align-center text-fade">Unknown</div>
                                     </td>
                                     <td data-title="Location: ">
-                                        <img data-ls-attrs="src={{env.API}}/avatars/flags/{{log.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs inline margin-end-small" />
+                                        <img onerror="this.onerror=null;this.src='/images/unknown.svg'" data-ls-attrs="src={{env.API}}/avatars/flags/{{log.geo.isoCode}}?width=80&height=80&project={{env.PROJECT}}" class="avatar xxs inline margin-end-small" />
                                         <span data-ls-bind="{{log.geo.country}}"></span>
                                     </td>
                                     <td data-title="IP: "><span data-ls-bind="{{log.ip}}"></span></td>
diff --git a/package-lock.json b/package-lock.json
index 8cdb00c40..8fdbd9abb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -474,84 +474,189 @@
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+      "version": "26.3.0",
+      "resolved": "https://registry.npmjs.org/@jest/console/-/console-26.3.0.tgz",
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-        "chalk": "^3.0.0",
-        "jest-message-util": "^25.5.0",
-        "jest-util": "^25.5.0",
+        "@jest/types": "^26.3.0",
+        "@types/node": "*",
+        "chalk": "^4.0.0",
+        "jest-message-util": "^26.3.0",
+        "jest-util": "^26.3.0",
         "slash": "^3.0.0"
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+    "@jest/core": {
+      "version": "26.4.2",
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 }
diff --git a/package.json b/package.json
index 66c067cd1..f7da475f7 100644
--- a/package.json
+++ b/package.json
@@ -4,12 +4,13 @@
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   "repository": "public",
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-    "jest": "^25.1.0",
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