Concise monthly summary for 2026-03 focusing on Uno Platform: Native AOT MVVM support in Uno.Extensions, enabling runtime property preservation and reliable MVVM navigation/data binding for new Uno apps with minimal developer changes.

February 2026 (2026-02) monthly summary focused on delivering platform modernization, stability, and diagnosability across the Uno Platform repositories, with clear business value through faster CI feedback, broader device support, and more robust UI/data binding experiences. Key changes were implemented in Uno.Gallery, Uno, Uno.Extensions, and related areas to prepare for .NET 10 targeting, improve runtime stability on Android/iOS, and enhance developer tooling for faster iteration and safer releases.

January 2026 (2026-01) – unoplatform/uno (Uno Chefs app on NativeAOT) focused on stabilizing input UX for login and establishing metadata groundwork to support cross-platform NativeAOT builds. Key features delivered: - Keyboard input fix on the login page under NativeAOT: corrected UIElement event registration to enable typing in Username/Password fields and proper interaction with Remember me and social sign-in buttons. Major bugs fixed: - Login page keyboard input failures: Username could be focused but not typed; Password not focusable; overall login UX restored on macOS NativeAOT. Overall impact and accomplishments: - Restored reliable login UX across NativeAOT builds, improving onboarding and reducing support tickets. The work also establishes metadata support for UIElement event subscriptions and outlines a path to a delegate-based approach for NativeAOT compatibility, reducing reflection dependencies. Technologies/skills demonstrated: - Uno Platform, NativeAOT, reflection metadata (DynamicDependency), UIElement/Control event handling, cross-platform debugging on macOS, and planning for performance/maintainability under native AOT constraints.

December 2025 performance highlights focused on expanding NativeAOT support, strengthening reflection metadata preservation for data binding, and stabilizing cross-platform builds across Uno extensions, Uno, toolkit, and the dotnet android repo. The work delivers tangible business value by enabling smaller, faster native deployments, reducing runtime reflection constraints, and improving error visibility in production flows.

November 2025: Delivered high-impact features and stability improvements across Uno.UI, Uno.Extensions, Uno.Check, and CI pipelines. Key features and fixes include: 1) Uno.UI Runtime Compatibility and Performance Improvements: consolidated AOT/trimming compatibility, runtime reflection improvements, JSON deserialization with trimming context, removal of DynamicallyAccessedMemberTypes.All, generic enum handling, and AOT-related optimizations. 2) Cross-Platform Stability and CI/Testing Enhancements: Windows-only code guards, module initializer safeguards, exit-after-launch for CI, and improved cross-platform error handling. 3) Uno.Extensions Reliability and DI/Trimming: AOT compatibility for generic types/methods; preserving generated ViewModel constructors and properties to prevent DI/trimming issues. 4) UNO.check OpenJDK Compatibility: OpenJDK 17.0.16 upgrade with dynamic manifest probing; provision for Microsoft OpenJDK 21 to maintain CI reliability. 5) CI/CD and Test Stability Fixes: .NET 9 compatibility updates in Azure Static Web Apps CI and mitigation of flaky ImageAssert-related tests. 6) Documentation and lint hygiene improvements (Markdown validation fixes) completed as part of quality drive. Overall, the changes reduce trimming/AOT-related build failures, improve runtime stability and cross-platform reliability, and enhance CI efficiency, enabling faster, safer delivery and better business outcomes.

This month delivered cross-repo improvements across Uno extensions and core Uno components, stabilizing CI, and advancing cross-version and NativeAOT readiness. The work enhances platform portability, build reliability, and alignment with newer runtimes, enabling faster, safer releases across the Uno Platform stack.

September 2025 highlights: Across unoplatform/uno and dotnet/android, delivered cross-repo platform readiness, licensing compliance, and API surface enhancements. Uno delivered a Platform Compatibility Upgrade to .NET 10 RC1 with deprecation warnings resolved and IL2122 errors addressed, while preserving compatibility with .NET 9/10 RC1. API qualification checks were updated to include Uno assembly names for type qualification. In addition, a Licensing and NativeAOT upgrade migrated tests and configurations from FluentAssertions to AwesomeAssertions to address licensing constraints and improve NativeAOT compatibility. On dotnet/android, Android API 36.1 support was added to Mono.Android bindings, including public API updates and enumification of new APIs, with build robustness improvements. Key commits include UNO: 9d98ac7216f8020621bbd245fc62032f4e3cf21e; AwesomeAssertions migration: 80c070561a3590672851bd85f3a2018ff5d18e97; Android bindings: 35d471e71c986c302dbf019e5c7838e57d3e0a3e, ce1717f7757535759f905e4993cff77a0c2ce7ce, d974c799bb11a77ae5689cf6542c1fcf58a2c1f9. Overall impact: improved platform readiness for modern runtimes, reduced licensing risk, and extended Android API support, enabling faster feature delivery and more reliable builds. Technologies/skills demonstrated: .NET 10 RC1 readiness, IL2122 remediation, API qualification, AwesomeAssertions migration, Mono.Android bindings, Android API-36.1 enumification, and build configuration optimization.

August 2025 top-line: delivered key features and stability across Uno Platform repos, completed significant documentation and tooling improvements, and advanced .NET migration readiness. Actions focused on business value through stable builds, clearer docs for onboarding, and modernization of the platform/tooling stack to accelerate future work.

July 2025 performance summary: Highlights include observability improvements and CI reliability across dotnet/android and unoplatform/uno. Key changes include improving abort logging to include function name during fatal errors using std::format-style formatting, enhancing post-mortem analysis. CI updates aligned Android-native tests with .NET 9 to diagnose Uno test failures and reduce framework-related build/test gaps. These changes improve diagnostics, reduce mean time to resolution for crashes, and strengthen cross-platform testing parity.

June 2025 monthly summary for the dotnet/android repository focusing on key features and impact. The main deliverable this month was comprehensive documentation of exception handling semantics for Xamarin.Android, clarifying cross-runtime behavior between Java and .NET runtimes, including debugger-attached vs. non-attached scenarios, stack walking, and first/last-chance notifications that affect interop reliability.

Summary for 2025-05: Delivered stability-focused Android NativeAOT runtime improvements through two targeted bug fixes, improving multi-thread Java interop reliability and crash resilience. These changes reduce user-facing crashes and enhance app stability across devices.

April 2025: Focused on delivering robust Android NativeAOT capabilities and improving Android app lifecycle reliability in the dotnet/android repository. Key outcomes include enhanced crash visibility via unhandled exception logging, enabling AppDomain.UnhandledException, and a race-condition fix in Java.Interop Replaceable handling to prevent duplicate app instances.

March 2025 monthly summary focusing on key accomplishments in the dotnet/android repository. Highlights include delivery of updated Java.Interop and Android tooling interoperability, stabilization of CoreCLR JNI value management for dotnet maui -sc, and overall improvements to Android interop reliability and build readiness.

February 2025 (Month: 2025-02) focused on strengthening .NET/Java interoperability, stabilizing Android builds, and enhancing diagnostics for faster debugging and triage. Key work included consolidating Java.Interop and interop tooling updates with dependency bumps and TryCreatePeer integration to improve cross-language call reliability and build robustness. Delivered an Android install fix to support higher target SDKs, removing explicit uses-sdk to prevent Play Protect blocking on HelloWorld. Introduced JNI logging diagnostics via DiagnosticSettings to manage JNI reference logging, adjust verbosity through system properties, and redirect logs to files for startup timing analysis. These efforts reduced interop friction, improved device compatibility, and accelerated debugging and release readiness.

January 2025 (dotnet/android): Focused on stabilizing macOS OpenJDK provisioning, enabling JDK 21 compatibility, and modernizing Java.Interop to lay groundwork for Native AOT. Delivered fixes and tooling upgrades that reduce build/run failures, improve reliability, and set the stage for faster release cycles.

Monthly summary for 2024-12 focusing on the dotnet/android repository. Deliveries centered on tooling improvements for dependency management, targeted interop refactors to reduce runtime trimming risk, and strengthening build-time validation capabilities.

November 2024 performance summary for dotnet/android: delivered key features and stability improvements across Mono.Android and Java.Interop to strengthen production diagnostics and runtime reliability. Highlights include enhanced GC bridge logging for Mono.Android (with stack traces, GC events, and production logging in Release builds), a fix for incorrect ordering of generated type mappings to prevent Android runtime crashes (typemap generation update and tests), and Java.Interop debugging enhancement to include JniIdentityHashCode in ObjectDisposedException for more precise disposal diagnostics. These changes improve production observability, reduce debugging time, and increase runtime stability for Android apps built on Mono and Java interop.

October 2024 monthly summary for dotnet/android: Delivered Mono.Android GC bridge modernization by removing legacy WeakReference support and migrating to JNI Weak Global References. This simplifies the garbage collection bridge, deprecates debug.mono.wref=java, and reduces maintenance risk while improving memory management for Android bindings. Linked to issue #9454; commit e98ae9c2878441101114b507dc49d87ac9494238.