@ -52,6 +52,12 @@ The following metrics are added to the ping:
| about_page.support_tapped |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user tapped on "Support" item from About page |[1](https://github.com/mozilla-mobile/fenix/pull/8047), [2](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877)||2021-04-01 |2 |
| addons.open_addon_in_toolbar_menu |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user interacted with an installed add-on in the toolbar menu |[1](https://github.com/mozilla-mobile/fenix/pull/8318), [2](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877)|<ul><li>addon_id: The id of the add-on that was interacted with in the toolbar menu </li></ul>|2021-04-01 |2 |
| addons.open_addons_in_settings |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user accessed "Add-ons" from the Settings |[1](https://github.com/mozilla-mobile/fenix/pull/8318), [2](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877)||2021-04-01 |2 |
| android_keystore_experiment.experiment_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Records an instance of an unexpected failure during the experiment |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment, not caught by the other failure handlers. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.get_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Unexpected failure when trying to read from secure prefs. |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.get_result |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Success when trying to read from secure prefs. |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>result: Result code identifying whether the read operation returned the expected value or not. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.reset |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |An experiment failed, and was reset to run again in the future from a blank state. |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)||2021-09-01 |1 |
| android_keystore_experiment.write_failure |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Unexpected failure when trying to write to secure prefs. |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)|<ul><li>failure_exception: Exception class associated with an unexpected failure of this experiment. </li></ul>|2021-09-01 |1 |
| android_keystore_experiment.write_success |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Success in writing to secure prefs. |[1](https://github.com/mozilla-mobile/fenix/pull/18333#pullrequestreview-612447395)||2021-09-01 |1 |
| app_theme.dark_theme_selected |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user selected Dark Theme |[1](https://github.com/mozilla-mobile/fenix/pull/7968), [2](https://github.com/mozilla-mobile/fenix/pull/13958#issuecomment-676857877)|<ul><li>source: The source from where dark theme was selected. The source can be 'SETTINGS' or 'ONBOARDING' </li></ul>|2021-04-01 |2 |
| autoplay.setting_changed |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user changed their autoplay setting to either block_cellular, block_audio, or block_all. |[1](https://github.com/mozilla-mobile/fenix/pull/13041#issuecomment-665777411)|<ul><li>autoplay_setting: The new setting for autoplay: block_cellular, block_audio, or block_all. </li></ul>|2021-08-01 |2 |
| autoplay.visited_setting |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user visited the autoplay settings screen |[1](https://github.com/mozilla-mobile/fenix/pull/13041#issuecomment-665777411)||2021-08-01 |2 |
@ -315,8 +321,8 @@ The following metrics are added to the ping:
| perf.awesomebar.session_suggestions |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |Duration of a session awesomebar suggestion query. |[1](https://github.com/mozilla-mobile/fenix/pull/10276#pullrequestreview-411101979)||2020-11-15 |1, 2 |
| perf.awesomebar.shortcuts_suggestions |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |Duration of a shortcuts awesomebar suggestion query. |[1](https://github.com/mozilla-mobile/fenix/pull/10276#pullrequestreview-411101979)||2020-11-15 |1, 2 |
| perf.awesomebar.synced_tabs_suggestions |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |Duration of a synced tabs awesomebar suggestion query. |[1](https://github.com/mozilla-mobile/fenix/pull/10276#pullrequestreview-411101979)||2020-11-15 |1, 2 |
| perf.startup.application_on_create |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |The duration of `FenixApplication.onCreate` in the main process. |[1](todo)||2021-08-11 |1 |
| perf.startup.home_activity_on_create |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |The duration of `HomeActivity.onCreate`. |[1](todo)||2021-08-11 |1 |
| perf.startup.application_on_create |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |The duration of `FenixApplication.onCreate` in the main process. |[1](https://github.com/mozilla-mobile/fenix/pull/17973#issue-572183889)||2021-08-11 |1 |
| perf.startup.home_activity_on_create |[timing_distribution](https://mozilla.github.io/glean/book/user/metrics/timing_distribution.html) |The duration of `HomeActivity.onCreate`. |[1](https://github.com/mozilla-mobile/fenix/pull/17973#issue-572183889)||2021-08-11 |1 |
| preferences.accessibility_services |[string_list](https://mozilla.github.io/glean/book/user/metrics/string_list.html) |Whether or not the user has touch exploration or switch services enabled. These are built into the Android OS, not Fenix prefs. default: "" |[1](https://github.com/mozilla-mobile/fenix/pull/11211), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
| preferences.open_links_in_a_private_tab |[string_list](https://mozilla.github.io/glean/book/user/metrics/string_list.html) |Whether or not the user has enabled open links in a private tab. default: false |[1](https://github.com/mozilla-mobile/fenix/pull/11211), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
| preferences.open_links_in_app |[string_list](https://mozilla.github.io/glean/book/user/metrics/string_list.html) |Whether or not the user has the open links in apps feature enabled. default: false |[1](https://github.com/mozilla-mobile/fenix/pull/11446), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |