diff --git a/source b/source
index 3fb2c03374e..cf6abd48d3a 100644
--- a/source
+++ b/source
@@ -4697,6 +4697,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
WebDriver BiDi user prompt closed
WebDriver BiDi user prompt opened
WebDriver BiDi file dialog opened
+ WebDriver BiDi emulated language
@@ -125511,19 +125512,37 @@ interface Navigator {
The language getter steps are to return a valid BCP 47
- language tag representing either a plausible language or the user's most preferred
- language. [BCP47]
+ data-x="dom-navigator-language">language getter steps are:
+
+
+ - Let emulatedLanguage be the WebDriver BiDi emulated language
+ for this's relevant settings object
+
+ - If emulatedLanguage is not null, return emulatedLanguage.
+
+ - Return a valid BCP 47 language tag representing either a plausible language
+ or the user's most preferred language.
[BCP47].
+
The languages getter steps are to
- return a frozen array of valid BCP 47 language tags representing either one
- or more plausible languages, or the user's preferred
- languages, ordered by preference with the most preferred language first. The same object must be
- returned until the user agent needs to return different values, or values in a different order.
- [BCP47]
+ data-x="dom-navigator-languages">languages getter steps are:
+
+
+ - Let emulatedLanguage be the WebDriver BiDi emulated language
+ for this's relevant settings object
+
+ - If emulatedLanguage is not null,
+ return a frozen array containing emulatedLanguage.
+
+ - Return a frozen array of valid BCP 47 language tags
+ representing either one or more plausible languages,
+ or the user's preferred languages, ordered by preference with the most preferred language first.
+
[BCP47]
+
+
The same object must be returned until the user agent needs to return different values,
+ or values in a different order, or emulatedLanguage is updated.
@@ -155806,6 +155825,7 @@ INSERT INTERFACES HERE
Abhishek Ghaskata,
Abhishek Gupta,
Adam Barth,
+ Alexandra Borovova,
Adam de Boor,
Adam Hepton,
Adam Klein,