Index: src/bp-blogs/bp-blogs-template.php
===================================================================
--- src/bp-blogs/bp-blogs-template.php
+++ src/bp-blogs/bp-blogs-template.php
@@ -1223,7 +1223,7 @@
 	if ( !is_subdomain_install() )
 		echo '<span class="prefix_address">' . $current_site->domain . $current_site->path . '</span> <input name="blogname" type="text" id="blogname" value="'.$blogname.'" maxlength="63" /><br />';
 	else
-		echo '<input name="blogname" type="text" id="blogname" value="'.$blogname.'" maxlength="63" /> <span class="suffix_address">.' . bp_blogs_get_subdomain_base() . '</span><br />';
+		echo '<input name="blogname" type="text" id="blogname" value="'.$blogname.'" maxlength="63" ' . bp_get_form_field_extra_attributes( 'blogname' ) . '/> <span class="suffix_address">.' . bp_blogs_get_subdomain_base() . '</span><br />';
 
 	if ( !is_user_logged_in() ) {
 		print '(<strong>' . __( 'Your address will be ' , 'buddypress');
Index: src/bp-core/bp-core-template.php
===================================================================
--- src/bp-core/bp-core-template.php
+++ src/bp-core/bp-core-template.php
@@ -492,6 +492,75 @@
 }
 
 /**
+ * Output the extra attributes for a form field.
+ *
+ * @since BuddyPress (2.2.0)
+ *
+ * @param string $type The field type to output attributes for.
+ */
+function bp_form_field_extra_attributes( $type = '' ) {
+	echo bp_get_form_field_extra_attributes( $type );
+}
+	/**
+	 * Get the extra attributes for a form field.
+	 *
+	 * Primarily to add better support for touchscreen devices, but plugin devs
+	 * can use the 'bp_get_form_field_extra_attributes' filter for further
+	 * manipulation.
+	 *
+	 * @since BuddyPress (2.2.0)
+	 *
+	 * @param string $type The field type to get attributes for.
+	 */
+	function bp_get_form_field_extra_attributes( $type = '' ) {
+		$retval = '';
+		$attributes = array();
+
+		switch ( $type ) {
+			case 'slug' :
+			case 'username' :
+			case 'blogname' :
+				$attributes['autocomplete']   = 'off';
+				$attributes['autocapitalize'] = 'none';
+				break;
+
+			case 'email' :
+				if ( wp_is_mobile() ) {
+					$attributes['autocapitalize'] = 'none';
+				}
+				break;
+
+			case 'password' :
+				$attributes['spellcheck']   = 'false';
+				$attributes['autocomplete'] = 'off';
+
+				if ( wp_is_mobile() ) {
+					$attributes['autocorrect']    = 'false';
+					$attributes['autocapitalize'] = 'none';
+				}
+				break;
+		}
+
+		/**
+		 * Filter the attributes for a field before rendering output.
+		 *
+		 * @since BuddyPress (2.2.0)
+		 *
+		 * @param array  $attributes The field attributes
+		 * @param string $type       The field type
+		 */
+		$attributes = apply_filters( 'bp_get_form_field_extra_attributes', $attributes, $type );
+
+		foreach( (array) $attributes as $attr => $value ) {
+			$attr  = sanitize_title( $attr );
+			$value = esc_attr( $value );
+			$retval .= " {$attr}=\"{$value}\"";
+		}
+
+		echo $retval;
+	}
+
+/**
  * Create and output a button.
  *
  * @see bp_get_button()
Index: src/bp-templates/bp-legacy/buddypress/members/register.php
===================================================================
--- src/bp-templates/bp-legacy/buddypress/members/register.php
+++ src/bp-templates/bp-legacy/buddypress/members/register.php
@@ -31,20 +31,20 @@
 
 				<label for="signup_username"><?php _e( 'Username', 'buddypress' ); ?> <?php _e( '(required)', 'buddypress' ); ?></label>
 				<?php do_action( 'bp_signup_username_errors' ); ?>
-				<input type="text" name="signup_username" id="signup_username" value="<?php bp_signup_username_value(); ?>" />
+				<input type="text" name="signup_username" id="signup_username" value="<?php bp_signup_username_value(); ?>" <?php bp_form_field_extra_attributes( 'username' ); ?>/>
 
 				<label for="signup_email"><?php _e( 'Email Address', 'buddypress' ); ?> <?php _e( '(required)', 'buddypress' ); ?></label>
 				<?php do_action( 'bp_signup_email_errors' ); ?>
-				<input type="email" name="signup_email" id="signup_email" value="<?php bp_signup_email_value(); ?>" />
+				<input type="email" name="signup_email" id="signup_email" value="<?php bp_signup_email_value(); ?>" <?php bp_form_field_extra_attributes( 'email' ); ?>/>
 
 				<label for="signup_password"><?php _e( 'Choose a Password', 'buddypress' ); ?> <?php _e( '(required)', 'buddypress' ); ?></label>
 				<?php do_action( 'bp_signup_password_errors' ); ?>
-				<input type="password" name="signup_password" id="signup_password" value="" class="password-entry" />
+				<input type="password" name="signup_password" id="signup_password" value="" class="password-entry" <?php bp_form_field_extra_attributes( 'password' ); ?>/>
 				<div id="pass-strength-result"></div>
 
 				<label for="signup_password_confirm"><?php _e( 'Confirm Password', 'buddypress' ); ?> <?php _e( '(required)', 'buddypress' ); ?></label>
 				<?php do_action( 'bp_signup_password_confirm_errors' ); ?>
-				<input type="password" name="signup_password_confirm" id="signup_password_confirm" value="" class="password-entry-confirm" />
+				<input type="password" name="signup_password_confirm" id="signup_password_confirm" value="" class="password-entry-confirm" <?php bp_form_field_extra_attributes( 'password' ); ?>/>
 
 				<?php do_action( 'bp_account_details_fields' ); ?>
 
Index: src/bp-templates/bp-legacy/buddypress/members/single/settings/general.php
===================================================================
--- src/bp-templates/bp-legacy/buddypress/members/single/settings/general.php
+++ src/bp-templates/bp-legacy/buddypress/members/single/settings/general.php
@@ -5,17 +5,17 @@
 	<?php if ( !is_super_admin() ) : ?>
 
 		<label for="pwd"><?php _e( 'Current Password <span>(required to update email or change current password)</span>', 'buddypress' ); ?></label>
-		<input type="password" name="pwd" id="pwd" size="16" value="" class="settings-input small" /> &nbsp;<a href="<?php echo wp_lostpassword_url(); ?>" title="<?php esc_attr_e( 'Password Lost and Found', 'buddypress' ); ?>"><?php _e( 'Lost your password?', 'buddypress' ); ?></a>
+		<input type="password" name="pwd" id="pwd" size="16" value="" class="settings-input small" <?php bp_form_field_extra_attributes( 'password' ); ?>/> &nbsp;<a href="<?php echo wp_lostpassword_url(); ?>" title="<?php esc_attr_e( 'Password Lost and Found', 'buddypress' ); ?>"><?php _e( 'Lost your password?', 'buddypress' ); ?></a>
 
 	<?php endif; ?>
 
 	<label for="email"><?php _e( 'Account Email', 'buddypress' ); ?></label>
-	<input type="email" name="email" id="email" value="<?php echo bp_get_displayed_user_email(); ?>" class="settings-input" />
+	<input type="email" name="email" id="email" value="<?php echo bp_get_displayed_user_email(); ?>" class="settings-input" <?php bp_form_field_extra_attributes( 'email' ); ?>/>
 
 	<label for="pass1"><?php _e( 'Change Password <span>(leave blank for no change)</span>', 'buddypress' ); ?></label>
-	<input type="password" name="pass1" id="pass1" size="16" value="" class="settings-input small password-entry" /> &nbsp;<?php _e( 'New Password', 'buddypress' ); ?><br />
+	<input type="password" name="pass1" id="pass1" size="16" value="" class="settings-input small password-entry" <?php bp_form_field_attributes( 'password' ); ?>/> &nbsp;<?php _e( 'New Password', 'buddypress' ); ?><br />
 	<div id="pass-strength-result"></div>
-	<input type="password" name="pass2" id="pass2" size="16" value="" class="settings-input small password-entry-confirm" /> &nbsp;<?php _e( 'Repeat New Password', 'buddypress' ); ?>
+	<input type="password" name="pass2" id="pass2" size="16" value="" class="settings-input small password-entry-confirm" <?php bp_form_field_extra_attributes( 'password' ); ?>/> &nbsp;<?php _e( 'Repeat New Password', 'buddypress' ); ?>
 
 	<?php do_action( 'bp_core_general_settings_before_submit' ); ?>