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General
Tip: Deploy your application to live for changes in your Settings tab to take effect. 
Privacy & Security
Application rights
Define who can see and modify the app. Choose from Private app, Everyone can view, and Everyone can edit. This can be useful when you need help from other users, through the forum for instance. This setting does not apply to the owner of the app.
Important: Making the app private will not prevent people from seeing it on the web in Live mode. To prevent unauthorized users, apply a username and password.
Limit access to this app with a username and password
Check this box to protect your page. When checked, you can define a username and password that restricts access to the page. The concept of username and password is completely different and separate from the concept of a user in the app.
Username
When the app is protected, users are prompted to enter a username and password. Define the username here.
Password
When the app is protected, users are prompted to enter a username and password. Define the password here.
Only apply in Development mode
Check this box to only apply the password protection in Development mode.
Define a password policy
Check this box to require users to follow certain conditions when defining their password, increasing security.
Password minimum length
Define the minimal length for the password.
Require a number
Check this box to require users to include at least one number in their password.
Require a capital letter
Check this box to require users to include at least one capitalized letter in their password.
Require a non-alphanumeric character
Check this box to require users to include at least one special character in their password. For example, ; , " ' ? < > { } & ^ % $ # @ ! * . / - + = ~ ,
Redirect users who haven't changed their password
When a user's password isn't valid, they can be redirected to a page to update it. Select the page to send them to. This page should offer update credentials functionality. If this setting is empty, users will not be redirected.
Activate two-factor authentication
Check this box if you want your users to be able to use 2-factor authentication to log in to your app. This means users will need to use an app on their phones (Google Authenticator or Authy, for instance) to generate a one-time temporary token to login. This offers higher security to your application. Note that you need to be on a Production plan to use this.
Application name to display in 2FA app
You can enter here the name of the application you want to be displayed in Google Authenticator or Authy.
Redirect users to check their temporary token
When users have activated two-factor authentication, they will need to enter a one-time token to log in. There should be a special page in your app with a Check 2FA token action to prompt users to enter their code. You have to define here which page contains this workflow.
Allow to render the app in an frame/iframe (X-Frame-Options)
It is a best practice in terms of security to prevent other websites to load your application in an iframe. We recommend keeping the DENY option, but if your app requires being loaded in iframes, you can pick 'Allow all iframes'. Note that this can have consequences on your application's security.
Make new data types private by default with a privacy rule placeholder
Note: Beginning in April 2021, this setting is no longer visible to new apps or to apps that did not have this setting on. Instead, Bubble introduced a new public / private choice at the point of data type creation (see here). Any previously existing apps that had this setting turned on will continue to have the setting in effect as before, though if they turn the setting off, they will lose the ability to turn it back on.
As you add more data types to your app, it is good to have them private by default (with privacy rules). That way, you will avoid exposing data that shouldn't be visible to every users until you have thought through the privacy rules that should apply to that type. When you check this box, a placeholder rule will be added to each new type so that data isn't visible until you've defined the rules. We recommend checking this box once your app is live in production.
Do not set cookies on new visitors by default
Bubble sets cookies in the browsers of users who visit Bubble-built apps, in order to remember who the user is, and communicate information to the user's web browser necessary for displaying the page.
 
By default, when a user visits a Bubble app without logging in, we assign them a temporary user account. This lets you use the "Make Changes to Current User" action to store data about the user, which then gets transferred to their permanent user account if they subsequently sign up for your app.
 
Many websites, in order to protect their users' privacy and comply with regulations, are adopting a policy of asking users for consent before setting any cookies in the user's web browser. This option is designed to assist with that.
 
When you select "Do not set cookies on new visitors by default", Bubble will not create temporary user accounts in the database for visitors who are not logged in, and will not set cookies. Bubble will only set cookies when one of two things happen: 1) you call the "Opt-in to Cookies" action, which will create a temporary user object in the database, or 2) the user signs up or logs into your app, which requires cookies.
 
When using this option, it is your responsibility to inform the user that your app uses cookies in order to provide the app's functionality, and to call the "Opt-in to Cookies" action or a sign up action only once the user has indicated their consent.
 
(You may also choose to enable this option purely for performance reasons, since displaying a web page to a new visitor will generally be slightly faster and less capacity-intensive if we don't create a new temporary user).
 
We also provide an action "Opt-out from cookies" that you can use to give the user the ability to retract their consent. Calling this action will wipe all Bubble cookies from the user's browser. Note that logging into Bubble requires cookies to function properly, so calling this on a logged in user is not recommended; instead, to support the case of a user leaving your app, delete their account.
 
When a user who has not yet opted in to cookies interacts with your app, you may still use the "Make Changes to Current User" option to store information. However, this information will not be stored on Bubble's web servers, and if the user closes their browser window, the information will be permanently lost. On opt-in or sign up, any data stored in this way will be transferred to the new temporary or permanent user that gets created.
 
Note that this setting only controls cookies set by Bubble as part of its core functionality. Bubble plugins may still set cookies. We are exposing the ability to check whether or not the user has opted in to cookies to plugin developers, and encourage them to make sure their plugin complies with the user's settings, but we don't have the means to enforce this. Please test your app to ensure that it is not setting any cookies that you want to avoid adding.
 
Turning on this setting will not affect anyone who has already visited your app: temporary users created for those visitors will continue to exist, as will the cookies we use to remember them. Using this setting will prevent any iframe (using the HTML element or Video element) from using cookies, so some third-party websites (like Vimeo) embedded this way may stop working when users haven't consented to cookies, as they may mandate cookies in order to work.
General appearance
Favicon
The favicon is the icon displayed next to the title of the page in the browser's tab. Upload any image, preferably a square PNG file.
Note: For anti-tracking reasons, Safari does not support SVG favicons. Please consider using a png file instead. 
Progress bar color
When a workflow is running, a 2-pixel-high status bar may appear at the top of the screen. Select the color of the bar here.
Repeating group spinner color
When data is being loaded in a repeating group, if it takes a few moments for the data to appear, a spinner is shown. Select the color for the spinner or make it invisible by making it transparent.
Remove Bubble mention in console
If you are on a paid Plan, you can opt to remove 'This web application is entirely built without code on Bubble (https://bubble.io)' by checking this box.
Expose the option to add an ID attribute to HTML elements
If you need to specify some IDs on some elements on the page, you can check this box. A field will be shown at the very bottom of the Property Editor. See the Unique ID property for more details and usage warnings.
iOS appearance
Hide Safari UI component
Check this box to hide the toolbar of Safari on an iPhone/iPad. This gives a more native experience for users, but it makes navigating the Web more difficult when in the app.
Prevent the user from zooming
Check this box to prevent users from zooming on their phones with their fingers. This gives a more native experience for users. Note that this setting does not apply to Safari.
Icon for home screen (60 x 60 pixels)
On the iPhone, users have an icon on their home screen to a specific website. Upload an icon to use in this situation. This gives a more native experience for users.
iPhone 5 startup image (640 x 1096 pixels)
When the app takes time to load, you can force Safari to display an image until the app is fully loaded. Upload an image to use in this situation.
Note: This is for the iPhone 5.
iPad startup image (portrait, 1536 x 2008 pixels)
When the app takes time to load, you can force Safari to display an image until the app is fully loaded. Upload an image to use in this situation.
Note: This is for the iPad in portrait mode.
iPad startup image (landscape, 1496 x 2048 pixels)
When the app takes time to load, you can force Safari to display an image until the app is fully loaded. Upload an image to use in this situation.
Note: This is for the iPad in landscape mode.
Custom fonts
You can add a custom font to the app. Enter the font family name as defined in the CSS file and the URL to the CSS file. It could be, for instance, 'FantasqueSansMonoRegular' and 'https://fontlibrary.org/face/fantasque-sans-mono.' Make sure the CSS file exists and that the font family names are correct, otherwise the font will not display. Once added, the font will be at the top of the list in the dropdown menu. Each font weight must be added separately.
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