Telemetry draft

Telemetry

For clients that have "send anonymous usage data" enabled, Firefox Reality sends a "core" ping and an "event" ping to Mozilla's telemetry service. Sending telemetry can be disabled in the app's settings. Builds of Firefox Reality have telemetry enabled by default ("opt-out").

Core ping

Firefox Reality creates and tries to send a "core" ping whenever the app goes to the background. This core ping uses the same format as Firefox for Android and is documented on firefox-source-docs.mozilla.org.

Event ping

In addition to the core ping an event ping for UI telemetry is generated and sent as soon as the app is sent to the background.

Multi-window

Description	Key	Value(*)
How many too-many-window dialogs happen	max_windows_dialog	String
Usage long press to open new window	context_menu	String
Usage of new window tray button	tray_new_window	String
How long is a window open for	window_lifetime	String
Frequency of window moves	windows_move_freq	String
Frequency of window resizes	windows_resize_freq	String
Most common window position	placements_active_time_pct	String
Curved windows setting use	curved_mode_active	String
Time spent in active window position	left_window_active_time_pct	String
	front_window_active_time_pct	String
	right_window_active_time_pct	String
Concurrent windows per session	one_windows_open_time_pct	String
	two_windows_open_time_pct	String
	three_windows_open_time_pct	String
Average windows per session	window_open_w_mean	String
Average private windows per session	window_open_private_w_mean	String

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