Concise monthly summary for May 2026 (koreader/koreader). Focused on delivering user-facing rendering improvements, device compatibility for reMarkable, and startup reliability. Highlights include the Saturation Control feature with faithful propagation of saturation to page state, expanded ReMarkable support with QTFB/framebuffer and Paper Pure device handling, and a startup keep-alive mechanism to prevent framebuffer removal by AppLoad. These changes improved rendering fidelity, cross-device compatibility, and overall application resilience, delivering clear business value through a more robust and feature-complete product.

2025-11 monthly summary for koreader/koreader: Delivered Display Refresh Optimization Across Devices, enabling full refresh by default for xovi-based setups and adding configurable refresh levels during Remarkable device initialization. This improved display performance, cross-device rendering consistency, and user customization. No major bugs fixed this period; the focus was on performance and reliability enhancements. Key commits involved: 54281ae27946f0c9721689ed2d67e8dfab4df735 (misc/remarkable: enable full refresh by default for xovi-based setup) and 2208f41ab739689c84da9a820d175761a587eddb (feat/remarkable: support refresh levels).

October 2025 — Koreader/koreader: Two targeted bug fixes for reMarkable devices improving input reliability and script maintainability. Key fixes: (1) Event map loading fix for reMarkable to ensure correct input mapping (commit 1af12133578ddfcad213d0f89941d1a52d693ba8); (2) Remove redundant RM2FB_SHIM check in koreader.sh for RM2 devices to simplify logic and reduce unnecessary error messages (commit 7c677bf2ae391bf7f8a43b32ed9fecccb89f978a). Overall impact: more reliable device input, fewer false error messages, and a cleaner, easier-to-maintain codebase. Technologies/skills demonstrated: bug-fix discipline, cross-platform input handling, shell scripting, and traceable commits.

September 2025 highlights: Delivered key features and stability improvements across koreader/koreaderhub.io.git and koreader/koreader. Business value centers on improved localization accuracy, expanded device compatibility, and streamlined build processes. Technical achievements include updated Korean translations for the KOReader user guide, initial ReMarkable Paper Pro Move support with RM2FB integration, and cleanup of build/manifest linking for the remarkable target. These efforts enhance user experience, reduce maintenance risk, and demonstrate strong cross-repo collaboration, translation workflows, device integration, and build management.

Delivered major enhancements to reMarkable support in koreader/koreader for 2025-08, focusing on device compatibility, installation workflow, and maintainability. Features include OTA handling, device detection, framebuffer initialization, streamlined environment variables and launcher setup, with targeted stability tweaks for qtfb-shim and RM2FB checks. Also applied a cosmetic Makefile fix to improve build consistency and readability, reducing deployment risk and facilitating future contributions.

Monthly summary for 2025-05: Focused feature delivery in koreader/koreader to optimize power management and wake behavior on reMarkable devices. Implemented hall-sensor-based sleep/wake automation across reMarkable and PaperPro to improve battery life and UX; improved suspend/resume and power management. Delivered a fix for operation without launcher and clean exit when KO_DONT_GRAB_INPUT is set (commit 4c5b0a292ca38bcfc895404379c5bd2b295e1ada). Impact: longer intervals between charges, smoother user experience, and broader hardware support on PaperPro. Major fixes: none reported this month.

April 2025 (2025-04) focused on hardware compatibility and deployment readiness for koreader/koreader. Delivered targeted enhancements for wider device support and established ARM packaging paths to support remarkable-aarch64, improving market reach and distribution readiness while preserving cross-model compatibility.