| **[`InstallAddonsPermission`](#installaddonspermission)** | Configure the default extension install policy as well as origins for extension installs are allowed.
| **[`LegacyProfiles`](#legacyprofiles)** | Disable the feature enforcing a separate profile for each installation.
| **[`LocalFileLinks`](#localfilelinks)** | Enable linking to local files by origin.
+| **[`ManagedBookmarks`](#managedbookmarks)** | Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
| **[`PrimaryPassword`](#primarypassword)** | Require or prevent using a primary (formerly master) password.
| **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
| **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
### DisableTelemetry
Prevent the upload of telemetry data.
+As of Firefox 83 and Firefox ESR 78.5, local storage of telemetry data is disabled as well.
+
Mozilla recommends that you do not disable telemetry. Information collected through telemetry helps us build a better product for businesses like yours.
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** `disableTelemetry`\
-**Preferences Affected:** `datareporting.healthreport.uploadEnabled,datareporting.policy.dataSubmissionEnabled`
+**Preferences Affected:** `datareporting.healthreport.uploadEnabled,datareporting.policy.dataSubmissionEnabled,toolkit.telemetry.archive.enabled`
#### Windows (GPO)
```
`StartPage` is how Firefox starts. The choices are no homepage, the default homepage or the previous session.
-With Firefox 78, an additional option as added for `Startpage`, `homepage-locked`. This allows for locking the homepage, but still allowing the user to choose whether or not they want to restore their session.
+With Firefox 78, an additional option as added for `Startpage`, `homepage-locked`. If this is value is set for the Startpage, the user will always get the homepage at startup and cannot choose to restore their session.
**Compatibility:** Firefox 60, Firefox ESR 60 (StartPage was added in Firefox 60, Firefox ESR 60.4, homepage-locked added in Firefox 78)\
**CCK2 Equivalent:** `homePage`,`lockHomePage`\
}
}
```
+### ManagedBookmarks
+Configures a list of bookmarks managed by an administrator that cannot be changed by the user.
+
+The bookmarks are only added as a button on the personal toolbar. They are not in the bookmarks folder.
+
+The syntax of this policy is exactly the same as the [Chrome ManagedBookmarks policy](https://cloud.google.com/docs/chrome-enterprise/policies/?policy=ManagedBookmarks). The schema is:
+```
+{
+ "items": {
+ "id": "BookmarkType",
+ "properties": {
+ "children": {
+ "items": {
+ "$ref": "BookmarkType"
+ },
+ "type": "array"
+ },
+ "name": {
+ "type": "string"
+ },
+ "toplevel_name": {
+ "type": "string"
+ },
+ "url": {
+ "type": "string"
+ }
+ },
+ "type": "object"
+ },
+ "type": "array"
+}
+```
+**Compatibility:** Firefox 83, Firefox ESR 78.5\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\ManagedBookmarks (REG_MULTI_SZ) =
+[
+ {
+ "toplevel_name": "My managed bookmarks folder"
+ },
+ {
+ "url": "example.com",
+ "name": "Example"
+ },
+ {
+ "name": "Mozilla links",
+ "children": [
+ {
+ "url": "https://mozilla.org",
+ "name": "Mozilla.org"
+ },
+ {
+ "url": "https://support.mozilla.org/",
+ "name": "SUMO"
+ }
+ ]
+ }
+]
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ManagedBookmarks
+```
+Value (string):
+```
+<enabled/>
+<data id="JSON" value='
+[
+ {
+ "toplevel_name": "My managed bookmarks folder"
+ },
+ {
+ "url": "example.com",
+ "name": "Example"
+ },
+ {
+ "name": "Mozilla links",
+ "children": [
+ {
+ "url": "https://mozilla.org",
+ "name": "Mozilla.org"
+ },
+ {
+ "url": "https://support.mozilla.org/",
+ "name": "SUMO"
+ }
+ ]
+ }
+]'/>
+```
+#### macOS
+```
+<dict>
+ <key>ManagedBookmarks</key>
+ <array>
+ <dict>
+ <key>toplevel_name</key>
+ <string>My managed bookmarks folder</string></dict>
+ <dict>
+ <key>url</key>
+ <string>example.com</string>
+ <key>name</key>
+ <string>Example</string>
+ </dict>
+ <dict>
+ <key>name</key>
+ <string>Mozilla links</string>
+ <key>children</key>
+ <array>
+ <dict>
+ <key>url</key>
+ <string>https://mozilla.org</string>
+ <key>name</key>
+ <string>Mozilla</string>
+ </dict>
+ <dict>
+ <key>url</key>
+ <string>https://support.mozilla.org/</string>
+ <key>name</key>
+ <string>SUMO</string>
+ </dict>
+ </array>
+ </dict>
+ </array>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "ManagedBookmarks": [
+ {
+ "toplevel_name": "My managed bookmarks folder"
+ },
+ {
+ "url": "example.com",
+ "name": "Example"
+ },
+ {
+ "name": "Mozilla links",
+ "children": [
+ {
+ "url": "https://mozilla.org",
+ "name": "Mozilla.org"
+ },
+ {
+ "url": "https://support.mozilla.org/",
+ "name": "SUMO"
+ }
+ ]
+ }
+ ]
+ }
+}
+```
### PrimaryPassword
Require or prevent using a primary (formerly master) password.
}
```
### OverrideFirstRunPage
-Override the first run page. If the value is blank, no first run page is displayed.
+Override the first run page. If the value is an empty string (""), the first run page is not displayed.
+
+Starting with Firefox 83, Firefox ESR 78.5, you can also specify multiple URLS separated by a vertical bar (|).
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** `welcomePage`,`noWelcomePage`\
}
```
### OverridePostUpdatePage
-Override the upgrade page. If the value is blank, no upgrade page is displayed.
+Override the upgrade page. If the value is an empty string (""), no extra pages are displayed when Firefox is upgraded.
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** `upgradePage`,`noUpgradePage`\
```
### PictureInPicture
-Enable or disable Picture-in-Picture.
+Enable or disable Picture-in-Picture as well as lock it.
**Compatibility:** Firefox 78, Firefox ESR 78\
**CCK2 Equivalent:** N/A\
#### Windows (GPO)
```
-Software\Policies\Mozilla\Firefox\PictureInPicture = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\PictureInPicture\Enabled = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\PictureInPicture\Locked = 0x1 | 0x0
+
```
#### Windows (Intune)
OMA-URI:
```
-./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PictureInPicture
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Enabled
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~PictureInPicture/PictureInPicture_Locked
```
Value (string):
```
```
<dict>
<key>PictureInPicture</key>
- <true/> | <false/>
+ <dict>
+ <key>Enabled</key>
+ <true/> | <false/>
+ <key>Locked</key>
+ <true/> | <false/>
+ </dict>
</dict>
```
#### policies.json
```
{
"policies": {
- "PictureInPicture": true | false
+ "PictureInPicture": {
+ "Enabled": true | false,
+ "Locked": true, false
+ }
}
}
```
datareporting.policy.
dom.
extensions.
+general.autoScroll (Firefox 83, Firefox ESR 78.5)
+general.smoothScroll (Firefox 83, Firefox ESR 78.5)
geo.
intl.
layout.
media.
network.
+pdfjs. (Firefox 84, Firefox ESR 78.6)
places.
print.
+signon. (Firefox 83, Firefox ESR 78.5)
+spellchecker. (Firefox 84, Firefox ESR 78.6)
ui.
widget.
```
}
```
### WebsiteFilter
-Block websites from being visited. The parameters take an array of Match Patterns, as documented in https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Match_patterns. Only http/https addresses are supported at the moment. The arrays are limited to 1000 entries each.
+Block websites from being visited. The parameters take an array of Match Patterns, as documented in https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Match_patterns.
+The arrays are limited to 1000 entries each.
+
+As of Firefox 83 and Firefox ESR 78.5, file URLs are supported.
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** N/A\