diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js index 03efe7ab72e4..e7545e2aa079 100644 --- a/browser/app/profile/firefox.js +++ b/browser/app/profile/firefox.js @@ -2284,7 +2284,14 @@ pref("devtools.responsive.reloadNotification.enabled", true); pref("devtools.responsive.touchSimulation.enabled", false); // Whether or not meta viewport is enabled, if and only if touchSimulation // is also enabled. -pref("devtools.responsive.metaViewport.enabled", false); +// For now this is only available in nightly, dev-edition and early betas. It is planned +// to be gradually rolled out with release 72. Starting with 73, this pref needs to be set +// to true on all channels. +#if defined(EARLY_BETA_OR_EARLIER) || defined(MOZ_DEV_EDITION) + pref("devtools.responsive.metaViewport.enabled", true); +#else + pref("devtools.responsive.metaViewport.enabled", false); +#endif // The user agent of the viewport. pref("devtools.responsive.userAgent", ""); // Whether or not the RDM UI is embedded in the browser.