June 2026 delivered reliability, scalability, and performance improvements across the Ronin Puppet and FxCI-config workloads, spanning Windows and ARM64 build pipelines, Azure environments, and fuzzing infrastructure. Key outcomes include stabilized GPU provisioning plus audio path improvements, revamped Azure cache management, and ARM64 install pruning to shorten build times. In fuzzing, capacity, automation, and image updates were advanced, alongside updated documentation. These changes reduce risk, accelerate delivery, and improve platform stability for large-scale Mozilla CI operations.

May 2026 delivered notable progress across Windows image stability, Azure deployment strategy, cross-cloud cost transparency, and SP3 experimentation. Key features delivered include Windows cloud worker upgrades, Azure per-region deployment improvements, Wayland pool enhancements, GCP image updates, and SP3 capacity/workload tuning; together with cost attribution/historical data for FXCI. Key features delivered: - Windows Cloud Worker Upgrade: Windows configuration updated to 99.2.0 to boost capabilities and performance (commit 71b0588e18f4e3ece23c0311805b9fac690e47f2). - Azure deployment redeploys and per-region resource grouping: re-deployed Win11 25H2 and 24H2 images and introduced per-region resource group opt-in to improve deployment concurrency and quota resilience (commits 2405ea6e7d202c1c36ca0851cf70e1aabfcc6b1f, 61ced78cb83a58f5a7429f329add5849e50fda2b, 09d92f19de1e55d32ce52ee56b51a0c1d0a63ae8). - Wayland pools and mozilla-t pool additions; snap permissions: added -alpha Wayland pools for validation, mozilla-t Wayland pool, and snap_sudo grants for os-integration consumers (commits d3eaab655e14c0200db1e7a74f3de011f88ec886, c24cd245de7e26d201fe49601e27a43363449148, ab7f318921ba948043064589207c7c2c4d0addec). - GCP Ubuntu 24.04 image updates: updated to 2026-05-04 builds for ubuntu-2404 variants to address vulnerabilities (commit 966145715b7b66b5636d4d2d7617b485bb676ed7). - SP3 experiments: dedicated host template and capacity improvements; F8s_v2 eviction-based weight tuning: including changes to weight distributions across regions and pools to optimize cost and performance (commits e93933ced9fe580aeea409b9e591043e2f8d7f14, 07ae796d74a610d69241357bf9a272d70cc1e0c1). Major bugs fixed: - Windows Image Stability: rollback of generic-worker to maintain Windows 11 25H2 compatibility (commit 7c150a4fb83bda0ca4f02836a33d5a434a50dc20). - NVidia A10 GRID driver update and installer validation: update to 573.96 and added installer size verification via PowerShell to catch placeholders (commit 757b34d34d03da51d68cef6f9eb888f061dbfeb1). - Taskcluster: mirror build-vocab fetches fix for translations (commit 881b6ac595890aed10bc94d84016194924f81faf). - Remove Windows 24H2 AArch64 worker pools and redeploy related changes (commits e8a3e6cce8f6f581ea333f2b59d41b2417f92161, 9ff5148dec93753790bb638fa3dd8f879780614d). Overall impact and accomplishments: - Increased stability and reliability of Windows images and drivers, reduced deployment contention through per-region RGs, and improved cross-cloud cost visibility with looker-ready data models. Expanded SP3 test coverage and capacity while maintaining cost discipline across Azure regions. Delivered enterprise pool provisioning improvements to support scaled operations across the org. Technologies/skills demonstrated: - Windows image management, Taskcluster/Worker-Management automation, Azure ARM deployment strategies, per-region resource grouping, PowerShell-based validation, cross-cloud cost attribution, and SP3 experiment orchestration.

Monthly summary for 2026-04: Delivered Windows 11 25H2 platform display name mappings in Treeherder to support Firefox CI migration from 24H2 to 25H2 and improve test platform identification. The work was tracked under Bug 2022544 and committed as 9aa0e58c6b3f4e5834b31fd802e42c751f9923ae. No major bugs fixed this month; the feature enhances CI clarity and platform tagging, reducing test failures due to misidentification. Impact: smoother migration path, more reliable test routing, and improved reporting of test results. Technologies demonstrated: Treeherder data model, Windows platform mapping, Git-based change tracking, cross-team collaboration for CI migrations.

Concise monthly summary for 2026-03 highlighting key features delivered, major bugs fixed, and overall impact. Highlights include headless CI pools and worker pool configuration improvements for gecko-1/gecko-3, by-suffix pool selector, and support for keyed-by expressions; Windows image deployment alignment to 1.3.0 across Azure worker images; Windows UI test stability improvements on Windows 11 by suppressing focus-stealing notifications via registry, policy changes, and ForegroundLockTimeout/ForegroundFlashCount adjustments; and a configuration rollback to Windows.yaml 96.2.3 to restore stability. Business value: improved CI efficiency and reliability, consistent deployments, robust automated UI tests, and reduced configuration risk. Technologies/skills demonstrated: Azure pipelines, headless generic-worker, keyed-by evaluation, Puppet registry/policy changes, Windows registry edits, and Windows policy tuning.

February 2026 monthly summary highlighting key features delivered, major bugs fixed, and the overall impact across FXCI config and Ronin Puppet. Focused on Windows-first pipeline optimizations, broader Windows platform coverage, and GPU/resource efficiency, with testing and automation improvements to accelerate delivery and reliability.

January 2026 monthly summary for mozilla-releng/fxci-config: Key features delivered, stability actions, and tech contributions across Azure and GCP. Highlights include Azure ARM template v6 SKU deployment, Windows 11 24H2 worker pool & image lifecycle updates, and Ubuntu 24.04 image update for GCP. These changes expand resource provisioning, improve Windows/Linux image lifecycles, and align taskcluster/podman integrations to keep pace with platform requirements. Stability improvements included controlled image versioning and revert strategies to mitigate risk during rollout.