May 2026 monthly summary for openhab-addons focusing on stability and configuration improvements to the Shelly HTTP client. The main deliverable this month was a thread-safety enhancement in ShellyHttpClient and improved configuration management for binding/thing/api usage, complemented by clean commits and maintainers' sign-off.

2026-04 monthly summary for openhab/openhab-addons focusing on Shelly Gen2 battery device connection optimization in the Shelly binding. Implemented changes to prevent unnecessary WebSocket creation for Gen2 battery devices and skip RPC connection status checks for battery-operated devices using HTTP RPC. These changes reduce WebSocket churn, lower resource usage, and improve stability and reliability of battery device integration. Commit-level changes, including [shelly] Do not create WebSocket for Gen2 battery devices (#20463) and [shelly] Fix state check when Gen2 battery device is online on API request (#20562), were merged.

March 2026 monthly summary for openhab-addons focusing on Shelly-related stability, logging improvements, and thread-safety enhancements. The work delivered improved device uptime, clearer diagnostics, and more robust integration, translating into lower support overhead and a better experience for Shelly users.

January 2026: OpenHAB Add-ons – Shelly integration improvements focusing on performance, reliability, and maintainability. Key work includes removing a dedicated cleanup thread in ShellyManagerCache and fixing a NullPointerException in PM Mini Shelly2 API updates.

December 2025: Delivered a migration-focused feature for Shelly binding v5.1 in openhab-distro, updating alerts to reflect breaking changes (renamed thing types) and guiding users to delete and re-discover devices. This work reduces upgrade friction, preserves device discovery, and aligns with release governance (PR #1767).

Month: 2025-11 — Focused on reliability improvements in open source addons. Delivered a targeted bug fix to Shelly Manager OTA uploads for Gen1 non-relay devices, improving OTA reliability by ensuring correct device mode handling and firmware URL usage. The change was implemented as commit dc114bf8534c083c6ba55b43549a1e7ee049ec39 in response to issue #19643, with signed-off contribution by Markus Michels. This work enhances user experience during automated device provisioning and reduces post-release support.

Summary for 2025-09: Key features delivered: - Shelly BLU device integration extended to Wallswitch 4, RC Button 4, Remote, Tough ZB, H&T ZB, and BLU Distance in openHAB. - Updated binding constants and device definitions to enable the new Shelly BLU devices and ensure correct mapping of channels. - Documentation improvements: README updated with detailed channel mappings and usage notes for Shelly BLU devices. Major bugs fixed: - Resolved inconsistencies in binding constants and device definitions that previously impeded Shelly BLU integration, enabling reliable discovery and interaction with the new devices. End-to-end validation performed for the updated device set. Overall impact and accomplishments: - Expanded hardware compatibility in openHAB, enabling a broader Shelly BLU device footprint and faster onboarding for users. - Reduced support friction by aligning device models, constants, and docs; improved maintainability of the add-ons binding. - Demonstrated end-to-end integration work from code changes to documentation and validation, contributing to a more robust ecosystem. Technologies/skills demonstrated: - Java-based OpenHAB binding development, device model and constants management, and channel mapping. - Documentation best practices (README updates) and PR hygiene. - Change tracing through commit 3034465f6c8259673d105e1ea78d9dfec48718c1 (PR #19097).

Concise monthly summary for 2025-08 focused on Shelly bindings in openhab-addons. Delivered core refactor and device model expansion to boost maintainability, extensibility, and device coverage, while improving script upload reliability. Demonstrated technical leadership in architecture, test coverage, and documentation updates, translating into reduced maintenance risk and faster onboarding for new Shelly models.

July 2025: Added a Shelly binding migration alert in openhab-distro to address the ShellyPro2-Relay → ShellyPro2 breaking change. The feature introduces a user-facing update notification that informs users about the rename, instructs them to delete and re-discover the affected device, and guides migration steps to preserve configurations. This reduces upgrade friction and helps maintain device continuity during migrations.

June 2025 highlights for openhab-addons: delivered stability and API compatibility improvements for Shelly devices by addressing discovery reliability and Gen2 naming alignment. Implemented fixes for Shelly Plus 2PM discovery in Roller/Cover mode and ensured Shelly Plug US maps to Gen2 naming, enabling correct API usage and broader device support.

May 2025 monthly summary focused on expanding Shelly device support in the Shelly binding within the openhab-addons repo, along with a targeted bug fix to improve device configuration accuracy. Delivered changes strengthened hardware compatibility, reduced post-deployment support, and improved maintainability and traceability for future releases.

April 2025 monthly summary for openhab-addons: Delivered two new Shelly device support features for the Shelly binding, expanding hardware compatibility and reducing onboarding friction. Gen3 gateway support and Pro 1CB device support were implemented with updated bindings, docs, and internal mappings, enabling openHAB users to integrate Shelly BLU Gateway Gen3 and Shelly Pro 1CB devices. No major bugs fixed this month; maintenance focused on feature enablement and documentation. Impact includes broader device coverage and improved reliability of Shelly devices in openHAB.

Concise monthly summary for 2025-01 focused on features and bug fixes in openhab-openhab-addons. Delivered Shelly device support expansion to include Shelly Plus UNI and Shelly Plus 2PM, plus Shelly Pro EM-50 documentation and channel information improvements. These changes extend device compatibility, improve end-user experience, and strengthen maintainers' confidence in the binding. Notable commits include f486b87f5757f6672ba9093eb242922bfbef3106, 28b250911cce2733d3f3044ee4343c47af4a3e3e, and e36dd482f7608a07a2c11df74df32c5a7fa18087 (signed-off-by lines). Technologies and skills demonstrated include Java-based binding development, device-channel metadata modeling, and documentation tooling. Business value includes broader device coverage reducing support overhead and faster onboarding for Shelly users, along with clearer guidance for integrators in the docs.