
Erdem contributed to the Breez SDK Liquid and Greenlight repositories, focusing on cross-platform mobile SDK development and build automation. Over nine months, Erdem delivered features such as enhanced SDK initialization diagnostics, LNURL payment UX improvements, and automated CI workflows for precompiling binaries across Ubuntu, macOS, and Windows. Using Rust, Dart, and Kotlin, Erdem modernized FFI bindings with Cargokit, synchronized dependencies, and upgraded build systems for compatibility with evolving Flutter and Android requirements. The work emphasized stability, maintainability, and release readiness, reducing build failures and onboarding friction while enabling faster, more reliable feature delivery for SDK consumers and partners.

Month: 2025-10. Focused on delivering Breez SDK Liquid improvements with Release 0.11.5 — Android 16 KB page sizes support for 64-bit architectures on Android 15+, version bump to 0.11.5, and CI validation enhancements. No major bugs reported in Breez SDK Liquid this month; CI workflow now validates the flutter_breez_liquid Rust package after Dart/Flutter bindings generation, reducing integration risk. Overall, strengthened Android compatibility and build reliability, enabling faster release cycles.
Month: 2025-10. Focused on delivering Breez SDK Liquid improvements with Release 0.11.5 — Android 16 KB page sizes support for 64-bit architectures on Android 15+, version bump to 0.11.5, and CI validation enhancements. No major bugs reported in Breez SDK Liquid this month; CI workflow now validates the flutter_breez_liquid Rust package after Dart/Flutter bindings generation, reducing integration risk. Overall, strengthened Android compatibility and build reliability, enabling faster release cycles.
September 2025 performance summary: Delivered critical SDK and tooling improvements across breez-sdk-liquid-docs and breez-sdk-liquid, focusing on migration accuracy, release readiness, and maintainability. Key outcomes include documentation alignment with Cargokit migrations, Rust-Dart FFI bindings modernization, and hardened production release workflows. These efforts reduce onboarding time, boost runtime performance, and accelerate safe deployments.
September 2025 performance summary: Delivered critical SDK and tooling improvements across breez-sdk-liquid-docs and breez-sdk-liquid, focusing on migration accuracy, release readiness, and maintainability. Key outcomes include documentation alignment with Cargokit migrations, Rust-Dart FFI bindings modernization, and hardened production release workflows. These efforts reduce onboarding time, boost runtime performance, and accelerate safe deployments.
In August 2025, focused on delivering a robust, cross-platform CI/automation capability for breez-sdk-liquid. Key feature delivered: an Automated Precompile Binaries CI Workflow with a Manual Trigger that precompiles binaries across Ubuntu, macOS, and Windows, including environment setup (Dart, GTK on Ubuntu) and a manifest-driven build tooling. The workflow passes tokens/keys securely as environment variables and supports manual triggering via workflow_dispatch for targeted precompilations on specific commits, tags, or branches. No major bugs fixed this month; maintenance centered on building reliability and security of the CI flow.
In August 2025, focused on delivering a robust, cross-platform CI/automation capability for breez-sdk-liquid. Key feature delivered: an Automated Precompile Binaries CI Workflow with a Manual Trigger that precompiles binaries across Ubuntu, macOS, and Windows, including environment setup (Dart, GTK on Ubuntu) and a manifest-driven build tooling. The workflow passes tokens/keys securely as environment variables and supports manual triggering via workflow_dispatch for targeted precompilations on specific commits, tags, or branches. No major bugs fixed this month; maintenance centered on building reliability and security of the CI flow.
June 2025 monthly summary for breez/breez-sdk-greenlight. Delivered Flutter SDK compatibility and CI/CD tooling upgrade to align with Flutter 3.32.x, enabling stable builds, Dart SDK compatibility, and smoother release workflows. Upgraded flutter_rust_bridge to v2 to support the new bindings; updated GitHub Actions to use Flutter stable and aligned dependencies for Flutter 3.32.x. These changes improved build reliability, reduced release friction, and establish a foundation for faster feature delivery across the Breez SDK greenlight repository.
June 2025 monthly summary for breez/breez-sdk-greenlight. Delivered Flutter SDK compatibility and CI/CD tooling upgrade to align with Flutter 3.32.x, enabling stable builds, Dart SDK compatibility, and smoother release workflows. Upgraded flutter_rust_bridge to v2 to support the new bindings; updated GitHub Actions to use Flutter stable and aligned dependencies for Flutter 3.32.x. These changes improved build reliability, reduced release friction, and establish a foundation for faster feature delivery across the Breez SDK greenlight repository.
April 2025 Monthly Summary — breez-sdk-greenlight Key features delivered: - iOS Deployment Target Consistency: Unify the minimum iOS deployment target to 12.0 across CI workflows and podspecs to ensure consistent build environments for iOS SDK components. Includes setting environment variables and updating podspec deployment targets. Commit: c3f3e70fd285ad554ab3227dda9a847f2bbbad3d (#1207). - Android Gradle Compatibility with Flutter Plugins: Enhance Android Gradle configuration to improve compatibility with Flutter plugins by adding Kotlin serialization dependency, updating compileSdk to 35, and setting Java version to 11. Also addresses JNA class duplication and adopts new minimum SDK syntax. Commit: 9f0ce58b9cfc6236bff6cc4eda69b174a0d5b363 (#1206). Major bugs fixed: - Resolved JNA class duplication issue in Android builds and stabilized Flutter plugin integration, reducing build failures related to plugin compatibility. Overall impact and accomplishments: - Delivered cross-platform build standardization that reduces CI churn and accelerates production readiness. The iOS and Android build pipelines are now aligned with current Flutter plugin requirements, enabling smoother feature rollouts and onboarding for SDK consumers. Technologies/skills demonstrated: - iOS CI/CD, CocoaPods, podspec management, environment variable configuration - Android Gradle, Kotlin serialization, Java 11, Android SDK targeting (compileSdk 35), Gradle configuration - Flutter plugin integration, cross-platform build optimizations, build reproducibility
April 2025 Monthly Summary — breez-sdk-greenlight Key features delivered: - iOS Deployment Target Consistency: Unify the minimum iOS deployment target to 12.0 across CI workflows and podspecs to ensure consistent build environments for iOS SDK components. Includes setting environment variables and updating podspec deployment targets. Commit: c3f3e70fd285ad554ab3227dda9a847f2bbbad3d (#1207). - Android Gradle Compatibility with Flutter Plugins: Enhance Android Gradle configuration to improve compatibility with Flutter plugins by adding Kotlin serialization dependency, updating compileSdk to 35, and setting Java version to 11. Also addresses JNA class duplication and adopts new minimum SDK syntax. Commit: 9f0ce58b9cfc6236bff6cc4eda69b174a0d5b363 (#1206). Major bugs fixed: - Resolved JNA class duplication issue in Android builds and stabilized Flutter plugin integration, reducing build failures related to plugin compatibility. Overall impact and accomplishments: - Delivered cross-platform build standardization that reduces CI churn and accelerates production readiness. The iOS and Android build pipelines are now aligned with current Flutter plugin requirements, enabling smoother feature rollouts and onboarding for SDK consumers. Technologies/skills demonstrated: - iOS CI/CD, CocoaPods, podspec management, environment variable configuration - Android Gradle, Kotlin serialization, Java 11, Android SDK targeting (compileSdk 35), Gradle configuration - Flutter plugin integration, cross-platform build optimizations, build reproducibility
March 2025 (2025-03) summary for breez/breez-sdk-liquid: Focused on stability, build reliability, and cross-package consistency across Flutter and Dart plugins. Delivered two high-impact changes that reduce surface area for build failures and align dependency versions, enabling smoother releases and faster iteration.
March 2025 (2025-03) summary for breez/breez-sdk-liquid: Focused on stability, build reliability, and cross-package consistency across Flutter and Dart plugins. Delivered two high-impact changes that reduce surface area for build failures and align dependency versions, enabling smoother releases and faster iteration.
February 2025: Improved LNURL payment UX by extracting and persisting the payment description from metadata, preferring invoice descriptions when available, and modernized the toolchain with Flutter dependency and CI upgrades to 3.29.0 to maintain stability and accelerate delivery.
February 2025: Improved LNURL payment UX by extracting and persisting the payment description from metadata, preferring invoice descriptions when available, and modernized the toolchain with Flutter dependency and CI upgrades to 3.29.0 to maintain stability and accelerate delivery.
January 2025 monthly summary for breez-sdk-liquid: Focused on stabilizing Flutter integration by upgrading the Flutter/Rust bridge to version 2.7.0 and aligning dependent tooling to ensure compatibility across the codebase. This work reduces build and runtime risk and paves the way for forthcoming features that rely on the bridge upgrade.
January 2025 monthly summary for breez-sdk-liquid: Focused on stabilizing Flutter integration by upgrading the Flutter/Rust bridge to version 2.7.0 and aligning dependent tooling to ensure compatibility across the codebase. This work reduces build and runtime risk and paves the way for forthcoming features that rely on the bridge upgrade.
Month: 2024-11 | Breez SDK (breez/breez-sdk-liquid) - SDK Initialization and Diagnostics Enhancement. Summary: Implemented advanced observability for SDK startup and signer connection to improve diagnosability and reliability for client integrations. Added detailed error messages and diagnostic logs for critical startup paths and background tasks (send swap updates and background task initiation). This enables faster triage, reduces mean time to repair, and improves overall system confidence for developers and partners.
Month: 2024-11 | Breez SDK (breez/breez-sdk-liquid) - SDK Initialization and Diagnostics Enhancement. Summary: Implemented advanced observability for SDK startup and signer connection to improve diagnosability and reliability for client integrations. Added detailed error messages and diagnostic logs for critical startup paths and background tasks (send swap updates and background task initiation). This enables faster triage, reduces mean time to repair, and improves overall system confidence for developers and partners.
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