Skylight (FxMS tool)

Skylight

Desktop Messages Released on Firefox

Message ID	Surface	Metrics Hide messages with fewer than 1000 impressions
MR_WELCOME_DEFAULT	Default About:Welcome Message (1st screen)	Dashboard
FAKESPOT_CALLOUT_OPTED_OUT_SURVEY Microsurvey	Feature Callout (1st screen)	Dashboard
ADDONS_STAFF_PICK_PT_2	Feature Callout (1st screen)	Dashboard
FIREFOX_VIEW_TAB_PICKUP_REMINDER	Feature Callout (1st screen)	Dashboard
PDFJS_FEATURE_TOUR_A	Feature Callout (1st screen)
PDFJS_FEATURE_TOUR_B	Feature Callout (1st screen)
FAKESPOT_CALLOUT_CLOSED_OPTED_IN_DEFAULT	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_CLOSED_NOT_OPTED_IN_DEFAULT	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_PDP_OPTED_IN_DEFAULT	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_CLOSED_NOT_OPTED_IN_AUTO_OPEN	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_PDP_NOT_OPTED_IN_REMINDER	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_DISABLED_AUTO_OPEN	Feature Callout (1st screen)	Dashboard
FAKESPOT_CALLOUT_OPTED_OUT_AUTO_OPEN	Feature Callout (1st screen)	Dashboard
CFR_COOKIEBANNER	Feature Callout (1st screen)	Dashboard
FIREFOX_VIEW_FEATURE_TOUR	Feature Callout (1st screen)	Dashboard
INFOBAR_LAUNCH_ON_LOGIN	InfoBar	Dashboard
INFOBAR_LAUNCH_ON_LOGIN_FINAL	InfoBar	Dashboard
MILESTONE_MESSAGE_87	Milestone Messages
PB_NEWTAB_FOCUS_PROMO	Private Browsing New Tab
PB_NEWTAB_KLAR_PROMO	Private Browsing New Tab
PB_NEWTAB_KLAR_PROMO_DE	Private Browsing New Tab
PB_NEWTAB_PIN_PROMO	Private Browsing New Tab
PB_NEWTAB_COOKIE_BANNERS_PROMO	Private Browsing New Tab
FX_MR_106_UPGRADE	Spotlight Modal Dialog	Dashboard
FX_100_UPGRADE	Spotlight Modal Dialog	Dashboard
FOX_DOODLE_SET_DEFAULT	Spotlight Modal Dialog	Dashboard
TAIL_FOX_SET_DEFAULT	Spotlight Modal Dialog	Dashboard
FIREFOX_VIEW_SPOTLIGHT	Spotlight Modal Dialog
SET_DEFAULT_BROWSER_GUIDANCE_NOTIFICATION_WIN10	Toast Notification
SET_DEFAULT_BROWSER_GUIDANCE_NOTIFICATION_WIN11	Toast Notification
FXA_ACCOUNTS_BADGE	Toolbar Badge
FXA_ACCOUNTS_BADGE_REVISED	Toolbar Badge

Current Desktop Message Rollouts

Total: 25

Experiment

Rollout

Firefox

Dates		Surface	Metrics	Visuals
2025/11/25 - 2026/1/14	Windows 10 EoS Sync and Reminder Messaging Rollout windows-10-eos-sync-and-reminder-messaging-rollout
	Series of sync and reminder messages treatment-a	1st of Multiple Messages	Dashboard
2025/11/18 - 2025/12/16	Temp: New Tab Mobile QR Code Campaign: ROW temp-new-tab-mobile-qr-code-campaign-row
	Generic Instructions treatment-a	newtab_message		Screenshots
2025/11/18 - 2025/12/16	Temp: New Tab Mobile QR Code Campaign: Weather Conflict temp-new-tab-mobile-qr-code-campaign-weather-conflict
	Generic Instructions treatment-a	newtab_message		Screenshots
2025/11/12 - 2026/5/11	Multiple Profile Switching Rollout V2 multiple-profile-switching-rollout-v2
	Multi-profile feature enabled and callouts treatment-a-multi-profiles	1st of Multiple Messages	Dashboard
2025/11/12 - 2026/11/12	Old sidebar deprecation - Nightly message old-sidebar-deprecation-nightly-message
	Callout notifying users about the upcoming sidebar deprecation rollout-treatment	Feature Callout (1st screen)	Dashboard
2025/10/29 - 2026/10/29	Sidebar - 144.0.2 rollout sidebar-14402-rollout
	Sidebar button is added to the toolbar, sidebar is NOT visible, the callout is displayed after opening one tab rollout-treatment	Feature Callout (1st screen)	Dashboard
2025/10/17 - 2025/11/21	Taskbar Tabs Discovery Global Rollout taskbar-tabs-discovery-global-rollout
	delivery delivery	1st of Multiple Messages	Dashboard
2025/10/16 - 2025/12/15	Onboarding Rollout - October 2025 onboarding-rollout-october-2025
	Bookmarks toolbar always on, fullscreen about welcome with account login screen, checklist present treatment-branch	About:Welcome Page (1st screen)	Dashboard
2025/10/15 - 2025/11/12	Link Previews - All Channel Rollout With Onboarding link-previews-all-channel-rollout-with-onboarding
	Link Previews shown to users when they long press on links. long-press-preview	Feature Callout (1st screen)	Dashboard
2025/10/7 - 2025/11/4	AI Chatbot Page Summarization MVP - treatment-a-callout-badge Rollout v2 ai-chatbot-page-summarization-mvp-treatment-a-callout-badge-rollout-v2
	Callout page summarization with badging treatment-a-callout-badge	1st of Multiple Messages	Dashboard
2025/10/3 - 2025/10/4	Roll out Expanded sign-in PXI toolbar button w/callout (Signed out) roll-out-expanded-sign-in-pxi-toolbar-button-wcallout-signed-out
	Adding "Sign in" text to the FxA avatar button with Login message callout sign-in-with-call-out	Feature Callout (1st screen)	Dashboard
2025/10/1 - 2025/10/29	Account adoption callout - credit cards - treatment-c rollout account-adoption-callout-credit-cards-treatment-c-rollout
	Credit card & backup treatment-c	Feature Callout (1st screen)	Dashboard
2025/9/30 - 2025/10/1	Acct adoption callout - addresses rollout with no PXI exclusion acct-adoption-callout-addresses-rollout-with-pxi-required
	Address & Backup treatment-a	Feature Callout (1st screen)	Dashboard
2025/9/19 - 2026/9/19	Pin Frequently Used Websites - 143 - Promo Rollout, All Locales pin-frequently-used-websites-143-promo-rollout-all-locales
	Pin sites you visit the most - NO image (Treatment B) rollout-branch	Feature Callout (1st screen)	Dashboard
2025/9/16 - 2026/9/16	Pin Frequently Used Websites - EN-* Promo Rollout, no min version pin-frequently-used-websites-en-promo-rollout-no-min-version
	Pin sites you visit the most - NO image rollout-branch	Feature Callout (1st screen)	Dashboard
2025/9/15 - 2025/10/13	Account Adoption PXI Menu - Fx141-Fx142 account-adoption-pxi-menu-fx141-fx142
	Sync focused value proposition treatment-a	menu_message		Screenshots
2025/9/15 - 2025/10/13	Account Adoption PXI Menu - Rollout Fx143+ account-adoption-pxi-menu-rollout-v2
	Sync focused value proposition treatment-a	menu_message		Screenshots
2025/7/25 - 2026/7/25	Account spotlight modal - Global rollout - V3 account-spotlight-modal-global-rollout-v3
	Show the "sync" treatment from spotlight-modal-to-drive-accounts-via-backup-value-prop rollout	Spotlight Modal Dialog	Dashboard
2025/7/22 - 2025/8/19	Account Adoption Callout Passwords - Global Rollout account-adoption-callout-passwords-global-rollout
	Treatment E - Password + Backup treatment-e	Feature Callout (1st screen)	Dashboard
2025/6/26 - 2025/7/24	1-Callout Contextual Chatbot Suggestion Treatment A: Tab Switching Copy Rollout 1-callout-contextual-chatbot-suggestion-treatment-a-tab-switching-copy-rollout
	Use an AI chatbot without switching tabs treatment-a-tab-switching-copy	Feature Callout (1st screen)	Dashboard
2025/6/18 - 2026/6/18	Vertical tabs feature callout experiment v2.0 - Treatment A Rollout vertical-tabs-feature-callout-experiment-v20-treatment-a-rollout
	Overwhelmed by too many tabs value prop treatment-a	Feature Callout (1st screen)	Dashboard
2025/2/20 - 2026/2/20	Mozilla VPN in Private Browsing - Treatment D Rollout (EN only) mozilla-vpn-in-private-browsing-treatment-d-rollout-en-only
	treatment focusing on explaining what makes Mozilla VPN different treatment-d	Private Browsing New Tab		Screenshots
2025/2/4 - 2025/3/4	PDF Annotations - Highlight - Treatment B Rollout pdf-annotations-highlight-treatment-b-rollout
	Both variants - already default and not default treatment-b	1st of Multiple Messages	Dashboard
2025/1/28 - 2025/3/4	Fox Doodle Multi-Action CTA 2025 - Rollout fox-doodle-multi-action-cta-2025-rollout
	Checkbox Multi CTA variant & Fox Doodle/Tail Fox treatment-a	1st of Multiple Messages	Dashboard
2024/11/25 - 2025/11/25	Expand sidebar callout (existing profiles) sidebar-button-feature-callout-vertical-tabs-users-existing-profiles
	Feature callout for vertical tabs users who have not clicked the sidebar button control	Feature Callout (1st screen)	Dashboard

Current Desktop Message Experiments

Total: 12

Experiment

Rollout

Firefox

Dates		Surface	Metrics	Visuals
2025/11/24 - 2025/12/29	TOU Experience 0 v3 tou-experience-0-v3
	No messages control	1st of Multiple Messages
	White infobar for 2 wks, blue infobar for 2 wks, modal for up to 5 days / 5 times without interaction treatment-a	1st of Multiple Messages
2025/11/18 - 2025/12/16	New Tab Automated Personalization Local Ranking 2 new-tab-automated-personalization-local-ranking-2
	No content personalization control	none
	local personalization enabled local-and-server	newtab_message
2025/11/12 - 2025/12/10	Onboarding Brand Refresh onboarding-brand-refresh
	Default Experience control	none
	Updated Images treatment-a	About:Welcome Page (1st screen)	Dashboard
	Updated copy and images treatment-b	About:Welcome Page (1st screen)	Dashboard
2025/11/10 - 2025/12/8	Account Adoption Callout for Browser Milestones account-adoption-callout-for-browser-milestones
	No message control control	1st of Multiple Messages
	Three message series treatment-a	1st of Multiple Messages	Dashboard
2025/11/7 - 2025/12/12	TOU Experience 0 v2 tou-experience-0-v2
	No messages control	1st of Multiple Messages
	White infobar for 2 wks, blue infobar for 2 wks, modal for up to 5 days / 5 times without interaction treatment-a	1st of Multiple Messages
2025/10/28 - 2025/11/25	New Tab Automated Personalization - Local Ranking new-tab-automated-personalization-local-ranking
	No content personalization control	none
	local and server personalization enabled local-and-server	newtab_message
	local personalization enabled local-only	newtab_message
2025/10/27 - 2025/11/24	What's New Toast Notification - Taskbar Tabs Release V2 whats-new-toast-notification-taskbar-tabs-release-v2
	no-message control control	none
	treatment a - what's new page illustration, taskbar value prop treatment-a	Toast Notification
	treatment b - Taskbar Tab Fox illustration, taskbar value prop treatment-b	Toast Notification
	treatment c - what's new page illustration, app value prop treatment-c	Toast Notification
	treatment d - Taskbar Tab Fox illustration, app value prop treatment-d	Toast Notification		Screenshots
2025/10/16 - 2025/11/20	TOU Experience 0 tou-experience-0
	No messages control	1st of Multiple Messages
	White infobar for 2 wks, blue infobar for 2 wks, modal for up to 5 days / 5 times without interaction treatment-a	1st of Multiple Messages
2025/10/3 - 2026/4/4	Firefox VPN for Windows 10 Users - Alpha firefox-vpn-for-windows-10-users
	Firefox VPN (Alpha variant) is available. alpha	1st of Multiple Messages	Dashboard
	Firefox VPN is not available. control	none
2025/9/25 - 2025/10/23	Address-Bar-Tips-V2 address-bar-tips-v2
	Users don’t see any new messaging after navigating to google.com control	none
	When users navigate to google.com, we’ll display a “Try a faster way” message newtab-tip-save-step	Feature Callout (1st screen)	Dashboard
	When users navigate to google.com, we’ll display a “Want to search your history.” message newtab-try-new-way	Feature Callout (1st screen)	Dashboard
2025/9/22 - 2025/11/3	ToU Existing Users Modal 1 EN tou-existing-users-modal-1-en
	No modal control	Spotlight Modal Dialog	Dashboard
	Modal treatment-a	Spotlight Modal Dialog	Dashboard
2025/4/7 - 2026/2/2	Multiple profile switching feature multiple-profile-switching-feature
	No Multi-profile feature control	1st of Multiple Messages
	Multi-profile feature enabled and callouts treatment-a-multi-profiles	1st of Multiple Messages	Dashboard