February 2026: Delivered a focused analytics enhancement in mozilla/metric-hub for Firefox Year in Review by introducing custom segments for user activity and profile age. This enables finer segmentation, supports targeted insights for product and marketing teams, and drives more personalized user experiences. Change implemented through commit e3ab21f99510210663fda07bfcc7088028bc1893 as part of issue #1335.

Month 2026-01 – Key accomplishments include delivering the Add-ons Notifications Analytics and Experiment Configuration feature in mozilla/metric-hub. This work establishes analytics scaffolding for add-ons notifications, introduces an experiment configuration file, and enhances segments and metrics to evaluate how recommended add-ons notifications affect user behavior. Commits illustrating the changes include: f1ce523b0120de4a950647894208364ef96a3adc ("Custom config for recommended-add-ons-os-notification-experiment (#1305)"), ba091746628b8f627f5e53c38019e621ce74c201 ("Add new segments to analysis (#1311)"), e821e484fd71522d9dbc295f0d0c533f64fe087c ("Improve metric calculations for recommended-add-ons-os-notification-e… (#1310)").

December 2025 monthly summary for mozilla/metric-hub focused on enhancing data collection accuracy and configurability for analytics metrics and user segmentation, accompanied by a critical bug fix to ensure reliable dashboard reporting.

November 2025 (Month: 2025-11) – mozilla/bigquery-etl Focused on delivering cross-platform MAU visibility and aligning metrics with internal dashboards. No major bugs reported this month.

May 2025: Delivered instrumentation for the Sent From Firefox - Android Experiment in mozilla/metric-hub, introducing new metric configurations to track Android user interactions related to tab sharing and feature toggling. This enables measurement of experiment adoption and user behavior, supports data-driven iteration of Android features, and reduces ambiguity in rollout decisions.

Month: 2025-04 | mozilla/metric-hub performance highlights: focus on iOS Firefox tab sharing metrics instrumentation and disciplined change control to ensure data quality. Key achievements: - Implemented iOS tab sharing metrics tracking: added configuration and metrics for total tab shares, shares to WhatsApp, and any WhatsApp share, plus custom metrics from the iOS event stream. (Commits: c294038f1cf59a23a822143efa1c1b7714ab1ee9; 122c86736f416ab0a7aa075a1f14fcf23786ecf9) - Created and integrated a TOML-based configuration for the metrics pipeline to support the iOS sharing telemetry. (Commit: "add toml file" (#831)) - Maintained data integrity through a rollback: reverted ios-sent-from-firefox.toml configuration to avoid misreported WhatsApp sharing metrics. (Commit: a478c3f654ba3117972a5e50f7fdb00179296df3) - Demonstrated disciplined instrumentation and version-control hygiene, ensuring changes are observable, reviewable, and reversible if needed. Impact and value: - Provides actionable visibility into iOS tab sharing behavior and WhatsApp engagement, enabling data-driven product decisions and UX improvements for Firefox on iOS. - Keeps telemetry accurate and stable by promptly reverting configuration changes that could skew metrics, reducing data quality risk.

November 2024 monthly summary for mozilla/metric-hub focusing on Jetstream Tab Pinning Metrics Instrumentation. Delivered new configuration files to track tab pinning metrics in Firefox Desktop Jetstream, enabling measurement of rate of pinned tabs, multiple pinned tabs, pin event counts, concurrent pinned tabs, and tab reloads for both early-day and existing users. This work was implemented under commit 16d1b567c2b5346b1640eda57d07a796f80051d6 with message 'add jetstream configs (#687)'.