
Over 15 months, Henry Wurzburg contributed to the ArduPilot/ardupilot repository by developing and refining flight control, automation, and hardware integration features for drones and robotics. He engineered new flight modes, enhanced gimbal and mount control, and expanded hardware support through detailed board definitions and bootloader integration. Using C++ and Python, Henry improved test automation, build system reliability, and parameter management, addressing both firmware and documentation needs. His work emphasized maintainability and safety, introducing robust failsafe behaviors and clear configuration metadata. The depth of his contributions is evident in the breadth of supported hardware and the reliability of autonomous flight operations.

February 2026: Delivered crucial documentation updates for the Morakot flight controller in ArduPilot to align with latest image formats and to improve readability of UART mapping and pinout details. This enhances developer onboarding, hardware integration, and maintenance of the Morakot subsystem.
February 2026: Delivered crucial documentation updates for the Morakot flight controller in ArduPilot to align with latest image formats and to improve readability of UART mapping and pinout details. This enhances developer onboarding, hardware integration, and maintenance of the Morakot subsystem.
January 2026 highlights for ArduPilot/ardupilot: Delivered key features enabling safer, more autonomous gimbal/mount control and improved testability; fixed a critical autotest bug affecting Copter mount mode; and strengthened build-time configurability. Key features delivered include the Point of Interest (POI) Lock feature with GPS-based locking, terrain-agnostic POI computation, home-altitude fallbacks, and SITL/hardware support; refined lock logic for gimbal control via auxiliary switch; and a Camera FOV status reporting toggle to balance telemetry with program size. Major bug fix addressed autotest routine for Copter mount mode to ensure accurate pitch testing. The work enhances flight safety, mission reliability, and testing coverage. Technologies demonstrated span embedded firmware development in C/C++, AP_Mount, AP_HAL_SITL, RC_Channel, Tools, and AP_Camera, with emphasis on conditional compilation, SITL integration, and automated testing.
January 2026 highlights for ArduPilot/ardupilot: Delivered key features enabling safer, more autonomous gimbal/mount control and improved testability; fixed a critical autotest bug affecting Copter mount mode; and strengthened build-time configurability. Key features delivered include the Point of Interest (POI) Lock feature with GPS-based locking, terrain-agnostic POI computation, home-altitude fallbacks, and SITL/hardware support; refined lock logic for gimbal control via auxiliary switch; and a Camera FOV status reporting toggle to balance telemetry with program size. Major bug fix addressed autotest routine for Copter mount mode to ensure accurate pitch testing. The work enhances flight safety, mission reliability, and testing coverage. Technologies demonstrated span embedded firmware development in C/C++, AP_Mount, AP_HAL_SITL, RC_Channel, Tools, and AP_Camera, with emphasis on conditional compilation, SITL integration, and automated testing.
December 2025 monthly summary for ArduPilot/ardupilot: Delivered notable enhancements to gimbal/mount control, broadened hardware compatibility, and stabilized build/test workflows. Key features include enhanced mount yaw/roll/pitch lock controls with earth-frame yaw lock, FPV lock behavior improvements, and support for both stabilized and non-stabilized gimbals with new switch metadata. Added Morakot board type support. Fixed Loewhieser parameter build/test issues to reduce wiki/build errors across tooling (AutoTestCopter renaming, AP_Generator pointer corrections). These efforts improve flight safety, ease of integration, and long-term maintainability, delivering measurable business value in terms of reliability and hardware interoperability.
December 2025 monthly summary for ArduPilot/ardupilot: Delivered notable enhancements to gimbal/mount control, broadened hardware compatibility, and stabilized build/test workflows. Key features include enhanced mount yaw/roll/pitch lock controls with earth-frame yaw lock, FPV lock behavior improvements, and support for both stabilized and non-stabilized gimbals with new switch metadata. Added Morakot board type support. Fixed Loewhieser parameter build/test issues to reduce wiki/build errors across tooling (AutoTestCopter renaming, AP_Generator pointer corrections). These efforts improve flight safety, ease of integration, and long-term maintainability, delivering measurable business value in terms of reliability and hardware interoperability.
Monthly summary for ArduPilot work in 2025-11 focused on reliability, stability, and system integration across GPS_POINT, CADDX gimbal control, and generator metadata.
Monthly summary for ArduPilot work in 2025-11 focused on reliability, stability, and system integration across GPS_POINT, CADDX gimbal control, and generator metadata.
Month: 2025-10 — Documentation standardization for battery current scaling across ArduPilot boards in the ArduPilot/ardupilot repository. Implemented a non-functional rename from BATT_CURR_SCALE to BATT_AMP_PERVLT across board READMEs to improve clarity and consistency. No code changes; all changes are documentation-focused and designed to reduce future maintenance effort and naming confusion.
Month: 2025-10 — Documentation standardization for battery current scaling across ArduPilot boards in the ArduPilot/ardupilot repository. Implemented a non-functional rename from BATT_CURR_SCALE to BATT_AMP_PERVLT across board READMEs to improve clarity and consistency. No code changes; all changes are documentation-focused and designed to reduce future maintenance effort and naming confusion.
Performance review-ready monthly summary for 2025-08 focused on stabilizing cross-board LED driver configuration and strengthening bootloader build reliability in ArduPilot. Implemented cross-board defaults to ensure built-in and external LED drivers enablement is consistent, and hardened the bootloader build workflow with pre-checks, improved board pattern handling, and safe skipping of boards without bootloader definitions. Outcomes include more reliable builds across multiple boards, reduced failures during bootloader generation, and faster onboarding of new hardware variants. Demonstrated skills in hardware-definition management, build tooling, and cross-repo collaboration; increased product quality and developer productivity.
Performance review-ready monthly summary for 2025-08 focused on stabilizing cross-board LED driver configuration and strengthening bootloader build reliability in ArduPilot. Implemented cross-board defaults to ensure built-in and external LED drivers enablement is consistent, and hardened the bootloader build workflow with pre-checks, improved board pattern handling, and safe skipping of boards without bootloader definitions. Outcomes include more reliable builds across multiple boards, reduced failures during bootloader generation, and faster onboarding of new hardware variants. Demonstrated skills in hardware-definition management, build tooling, and cross-repo collaboration; increased product quality and developer productivity.
July 2025 monthly work summary for ArduPilot/ardupilot focusing on parameter metadata and descriptions improvements across AP_Airspeed, FBWB_ELEV_REV, and AP_GPS, enabling clearer user guidance and safer configuration. Implemented AP_Airspeed I2C3 metadata, clarified FBWB_ELEV_REV description for FBWB/CRUISE modes, and specified Ublox-only 115K baudrate applicability for AP_GPS driver. No major bug fixes were identified this month; primary work centered on documentation, metadata accuracy, and maintainability to reduce configuration errors and support load.
July 2025 monthly work summary for ArduPilot/ardupilot focusing on parameter metadata and descriptions improvements across AP_Airspeed, FBWB_ELEV_REV, and AP_GPS, enabling clearer user guidance and safer configuration. Implemented AP_Airspeed I2C3 metadata, clarified FBWB_ELEV_REV description for FBWB/CRUISE modes, and specified Ublox-only 115K baudrate applicability for AP_GPS driver. No major bug fixes were identified this month; primary work centered on documentation, metadata accuracy, and maintainability to reduce configuration errors and support load.
June 2025 performance snapshot for ArduPilot/ardupilot focused on expanding hardware target coverage, integrating FPV enhancements, and tightening RC safety. Deliverables span new hardware definitions, bootloader and HAL support, FPV build improvements, and a refined RC failsafe behavior.
June 2025 performance snapshot for ArduPilot/ardupilot focused on expanding hardware target coverage, integrating FPV enhancements, and tightening RC safety. Deliverables span new hardware definitions, bootloader and HAL support, FPV build improvements, and a refined RC failsafe behavior.
May 2025 monthly summary for ArduPilot/ardupilot focused on delivering robust safety, test coverage, maintainability, and hardware support across Copter and ArduSub. Significant progress in failsafe testing, build cleanliness, pre-arm safety checks, RC mapping, and new hardware support, driving reliability, configurability, and faster iteration cycles.
May 2025 monthly summary for ArduPilot/ardupilot focused on delivering robust safety, test coverage, maintainability, and hardware support across Copter and ArduSub. Significant progress in failsafe testing, build cleanliness, pre-arm safety checks, RC mapping, and new hardware support, driving reliability, configurability, and faster iteration cycles.
April 2025 monthly summary for ArduPilot/ardupilot highlights delivery of cross-hardware support, safety improvements, and RC/mode enhancements across flight controllers. Key feature deliveries include PixSurveyA2-IND flight controller support with new hardware definition files and board variant integration plus bootloader support, BrahmaF4 hardware support with bootloader binaries and OSD_TYPE2 defaults, and DisplayPort OSD enablement with corrected default OSD types. RC control and failsafe enhancements have been implemented across Sub/ArduSub/ArduPlane to introduce new RC parameters, remove frame restrictions, and improve throttle failsafe handling. Mode handling improvements optimize evaluation order and correct surface mode enumeration. Supporting fixes include landing gear message deduplication and safety fixes for INAV font rendering. These changes broaden hardware compatibility, enhance safety and reliability, and improve user experience.
April 2025 monthly summary for ArduPilot/ardupilot highlights delivery of cross-hardware support, safety improvements, and RC/mode enhancements across flight controllers. Key feature deliveries include PixSurveyA2-IND flight controller support with new hardware definition files and board variant integration plus bootloader support, BrahmaF4 hardware support with bootloader binaries and OSD_TYPE2 defaults, and DisplayPort OSD enablement with corrected default OSD types. RC control and failsafe enhancements have been implemented across Sub/ArduSub/ArduPlane to introduce new RC parameters, remove frame restrictions, and improve throttle failsafe handling. Mode handling improvements optimize evaluation order and correct surface mode enumeration. Supporting fixes include landing gear message deduplication and safety fixes for INAV font rendering. These changes broaden hardware compatibility, enhance safety and reliability, and improve user experience.
March 2025: Delivered key Autoland and build-system enhancements in ArduPilot/ardupilot, focusing on safety, reliability, and deployment flexibility. Autoland improvements included test coverage for fence breach detection and exposing the landing state in ModeAutoLand, along with an added is_landing flag for AUTOLAND (ArduPlane). Build-system enhancements introduced options to enable barometric thrust correction and DisplayPort INAV font translation for MSP, improving configurability and display capabilities across deployments. These efforts increase safety verification, flight readiness, and maintainability while enabling tailored deployments.
March 2025: Delivered key Autoland and build-system enhancements in ArduPilot/ardupilot, focusing on safety, reliability, and deployment flexibility. Autoland improvements included test coverage for fence breach detection and exposing the landing state in ModeAutoLand, along with an added is_landing flag for AUTOLAND (ArduPlane). Build-system enhancements introduced options to enable barometric thrust correction and DisplayPort INAV font translation for MSP, improving configurability and display capabilities across deployments. These efforts increase safety verification, flight readiness, and maintainability while enabling tailored deployments.
February 2025 monthly summary for ArduPilot/ardupilot focusing on features delivered, bugs fixed, and impact. Key outcomes center on safety-critical automation, flight stability, and maintainability improvements: - AUTOLAND integration: added AUTOLAND flight mode and associated safety/failsafe actions (including AUTOLAND as FENCE_ACTION and AUX Functions), RC-channel integration, and related tests for ArduPlane. - Autotrim enhancements for Copter: expanded autotrim to Loiter and PosHold, refined trim calculations, and strengthened tests to improve reliability in stable hover and transition states. - Code cleanup and hardware/config updates: removed unused RTL verification code, reserved a new BrahamF4 board ID, and corrected LAND_ARSPD metadata to reduce maintenance toil. - Testing and validation: enhanced AUTOLAND autotest and tweaked autotrim test baselines to improve confidence in automated flight modes. - Business impact: increased automated landing safety, improved stability in key modes, and reduced long-term maintenance costs through cleaner configuration and metadata management.
February 2025 monthly summary for ArduPilot/ardupilot focusing on features delivered, bugs fixed, and impact. Key outcomes center on safety-critical automation, flight stability, and maintainability improvements: - AUTOLAND integration: added AUTOLAND flight mode and associated safety/failsafe actions (including AUTOLAND as FENCE_ACTION and AUX Functions), RC-channel integration, and related tests for ArduPlane. - Autotrim enhancements for Copter: expanded autotrim to Loiter and PosHold, refined trim calculations, and strengthened tests to improve reliability in stable hover and transition states. - Code cleanup and hardware/config updates: removed unused RTL verification code, reserved a new BrahamF4 board ID, and corrected LAND_ARSPD metadata to reduce maintenance toil. - Testing and validation: enhanced AUTOLAND autotest and tweaked autotrim test baselines to improve confidence in automated flight modes. - Business impact: increased automated landing safety, improved stability in key modes, and reduced long-term maintenance costs through cleaner configuration and metadata management.
January 2025 performance summary focusing on core features delivered and system improvements across two core repositories. Delivered new flight modes in ArduPlane plugin, enhanced AUTOLAND and takeoff/landing stability, refined heading lock behavior tied to GPS ground speed, expanded hardware support for NarinH7, and improved pitch logging accuracy for more accurate telemetry. These changes advance flight safety, reliability, and developer productivity, while broadening hardware and firmware compatibility.
January 2025 performance summary focusing on core features delivered and system improvements across two core repositories. Delivered new flight modes in ArduPlane plugin, enhanced AUTOLAND and takeoff/landing stability, refined heading lock behavior tied to GPS ground speed, expanded hardware support for NarinH7, and improved pitch logging accuracy for more accurate telemetry. These changes advance flight safety, reliability, and developer productivity, while broadening hardware and firmware compatibility.
December 2024 monthly summary focused on delivering automated fixed-wing capabilities, improving safety-related failsafes, and expanding tuning/configuration tooling across ArduPilot. This period saw concrete progress in Autoland for fixed-wing and enhanced RTL/Failsafe behaviors, alongside metadata and QuickTune enhancements for Plane tuning. The work strengthens autonomous operation, reduces pilot workload, and broadens deployment scenarios for fixed-wing platforms.
December 2024 monthly summary focused on delivering automated fixed-wing capabilities, improving safety-related failsafes, and expanding tuning/configuration tooling across ArduPilot. This period saw concrete progress in Autoland for fixed-wing and enhanced RTL/Failsafe behaviors, alongside metadata and QuickTune enhancements for Plane tuning. The work strengthens autonomous operation, reduces pilot workload, and broadens deployment scenarios for fixed-wing platforms.
In 2024-11, ArduPilot/ardupilot delivered targeted improvements focused on documentation accuracy and flight-mode telemetry. A metadata correction for AirSpeed parameters aligns references to AIRSPEED_MIN, reducing calibration confusion, and a new AutoLand fixed-wing mode reason code enhances granularity in flight-mode tracking within the AP_Vehicle library. These changes strengthen safety guidance, observability, and maintainability, with clear, traceable commits across the repository.
In 2024-11, ArduPilot/ardupilot delivered targeted improvements focused on documentation accuracy and flight-mode telemetry. A metadata correction for AirSpeed parameters aligns references to AIRSPEED_MIN, reducing calibration confusion, and a new AutoLand fixed-wing mode reason code enhances granularity in flight-mode tracking within the AP_Vehicle library. These changes strengthen safety guidance, observability, and maintainability, with clear, traceable commits across the repository.
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