| **[`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.
+| **[`MasterPassword`](#masterpassword)** | Require or prevent using a master password.
| **[`NetworkPrediction`](#networkprediction)** | Enable or disable network prediction (DNS prefetching).
| **[`NewTabPage`](#newtabpage)** | Enable or disable the New Tab page.
| **[`NoDefaultBookmarks`](#nodefaultbookmarks)** | Disable the creation of default bookmarks.
| **[`PasswordManagerEnabled`](#passwordmanagerenabled)** | Remove (some) access to the password manager.
| **[`PDFjs`](#pdfjs)** | Disable or configure PDF.js, the built-in PDF viewer.
| **[`Permissions`](#permissions)** | Set permissions associated with camera, microphone, location, and notifications.
+| **[`PictureInPicture`](#pictureinpicture)** | Enable or disable Picture-in-Picture.
| **[`PopupBlocking`](#popupblocking)** | Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
| **[`Preferences`](#preferences)** | Set and lock some preferences.
| **[`PromptForDownloadLocation`](#promptfordownloadlocation)** | Ask where to save each file before downloading.
}
}
```
+### MasterPassword
+Require or prevent using a master password.
+
+If this value is true, a master password is required. If this values is false, it works the same as `DisableMasterPasswordCreation` and removes the master password functionality.
+
+**Compatibility:** Firefox 78, Firefox ESR 78\
+**CCK2 Equivalent:** `noMasterPassword`\
+**Preferences Affected:** N/A
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\MasterPassword = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/MasterPassword
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>MasterPassword</key>
+ <true/> | <false/>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "MasterPassword": true | false
+ }
+}
+```
### NetworkPrediction
Enable or disable network prediction (DNS prefetching).
}
}
```
+### PictureInPicture
+
+Enable or disable Picture-in-Picture.
+
+**Compatibility:** Firefox 78, Firefox ESR 78\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `media.videocontrols.picture-in-picture.video-toggle.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\PictureInPicture = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PictureInPicture
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>PictureInPicture</key>
+ <true/> | <false/>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "PictureInPicture": true | false
+ }
+}
+```
### PopupBlocking
Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.