June 2026 delivered release readiness and automation improvements across Thunderbird Android and Fx releng configurations. Key milestones include a major release iteration for Thunderbird Android by bumping versionName to 22.0, aligning K-9 Mail and Android Thunderbird with a new release cadence. The CI workflow was stabilized by fixing and enabling contributor attribution through GITHUB_TOKEN, reducing manual steps and improving release traceability. Additionally, desktop-focused Thunderbird branch naming was clarified in the fxci-config repository by updating lando repo identifiers to explicitly include 'desktop', improving build clarity for desktop-focused workflows. These changes enhance release accuracy, developer productivity, and cross-team synchronization, supporting faster go-to-market and better governance across the project.

May 2026 performance summary: Delivered end-to-end release notes automation for thunderbird/thunderbird-android by adding an Automated Release Contributor List Generator and enhancing readability of existing render notes scripts. The work reduces manual steps, increases accuracy of contributor attribution, and sets the stage for faster release cycles.

Month: 2026-03 — Key accomplishments in fxci-config focused on strengthening release automation and permission scoping for Flatpak deployments. Delivered the Flatpak App Id scopes configuration for Firefox and Thunderbird within mozilla-releng/fxci-config, enabling correct grants handling in the release promotion workflow and reducing manual steps.

February 2026 performance summary for mozilla-releng/fxci-config: Delivered grant-based release promotion configuration for ESR scope in Flathub to enable Thunderbird release promotions under the defined trust domain and project level. This work tightens automation, governance, and security controls for ESR scope promotions and supports future expansion.

Concise monthly summary for 2025-11 focusing on delivering ESR release promotion enhancements for Thunderbird on the Microsoft Store within the fxci-config repository. Implemented an ESR-scope grant to support Thunderbird pushes via the MSIX workflow, enabling smoother, governance-aligned Microsoft Store promotions for ESR releases. The change directly reduces manual steps and improves release velocity for ESR Thunderbird updates.

October 2025 performance summary for thunderbird/thunderbird-android: Focused on improving CI reliability by expanding versioning capacity to support future releases; delivered a targeted configuration change that prevents build failures caused by Android versionCode limits and sets the stage for smoother beta/release cycles through 2025 and beyond.