Concise monthly summary for May 2026 focusing on documentation improvements for export formats in JetBrains/lets-plot. No major feature code delivered this month beyond doc updates, but the changes clarify usage and reduce onboarding friction. This aligns with customer-centric goals by ensuring API docs reflect current export behavior and eliminating outdated references to PNG/PDF exports.

April 2026 monthly summary for JetBrains/lets-plot focused on improving performance visibility and CI feedback for the Statistics module. Delivered a dedicated Performance Testing Suite for statistics functions and integrated it into the build process to enable faster, clearer performance assessment and regression detection. The work lays groundwork for ongoing performance monitoring across data sizes and contributes to more reliable release readiness.

March 2026: Bracket geometry enhancements across Python and Kotlin, with comprehensive documentation improvements and preparation for Lets-Plot 4.13.0. Delivered new bracket-based visualization capabilities, restored critical stat parameter behavior, and significantly improved developer and user documentation. Implementations span two repositories (lets-plot and lets-plot-kotlin), with focused bug fixes (SyntaxWarnings, broken links) and release notes alignment, driving better data storytelling, faster onboarding, and a more maintainable codebase.

February 2026 monthly summary: Delivered feature enhancements and documentation improvements across Lets-Plot projects, strengthening visualization accuracy and developer onboarding. Focus was on enabling flexible text placement in plots and updating project documentation to reflect current structure and build guidance.

January 2026 monthly summary highlighting key accomplishments across the Lets-Plot Kotlin and Lets-Plot repositories. Delivered targeted feature improvements and critical bug fixes with a focus on date accuracy, text rendering fidelity, and overall plotting stability.