🔥 Major Changes​

• Major optimization of the Electromechanical Stability Simulation Engine, achieving up to 25× faster execution;
• Refactored memory management and object ownership, improving application stability and maintainability;
• Introduced a centralized Paths utility for robust resource discovery across Windows, Linux, AppImage and portable installations;
• Added comprehensive support for Linux packaging and distribution, including Debian packages and AppImage generation;
• Complete redesign of the PSP-UFU website and documentation portal.

✔️ New Features and Improvements​

• Added lightweight simulation structures to significantly accelerate dynamic studies;
• Improved reactive power distribution among synchronous machines;
• Migrated element management to std::shared_ptr for safer memory handling;
• Improved dialog management, focus handling and text rendering throughout the interface;
• Added GDI resource monitoring tools to assist debugging and leak detection;
• Enhanced cross-platform compatibility and installation workflows;
• Added downloadable sample files and expanded project documentation;
• Added dark mode support, new branding assets and a redesigned project homepage.

⚡ Performance Improvements​

• Reduced electromechanical simulation execution time by approximately 96%;
• Improved per-unit conversion routines and reduced unnecessary data copying;
• Optimized power-flow auxiliary calculations;
• Reduced overhead in EMT-related processing.

🐛 Bug Fixes​

• Fixed reactive power allocation issues in generators operating under reactive limits;
• Fixed Newton-Raphson power calculation inconsistencies;
• Fixed memory ownership and resource management issues;
• Fixed Linux packaging and runtime library discovery problems;
• Fixed UI focus, dialog handling and text rendering issues;
• Various stability, portability and documentation fixes.

🔥 Major Changes​

• Removed legacy dependencies and improved internal architecture;
• Added Label Manager for diagram label management;
• Added snapshot tools for system analysis;
• Major improvements in Data Report, including precision control, font size, CSV export and a fancy clipboard copy;
• Initial implementation of EMT (Electromagnetic Transient) elements;

✔️ New Features and Improvements​

• Added Ctrl+S shortcut to save the workspace;
• Added sample control files and data assets;
• Improved power flow robustness;
• Improved control solver initialization and stability;
• Migrated editor memory management from raw pointers to shared_ptr;
• Improved Control Editor interface and usability;
• Prevented creation of duplicate labels and multiple slack buses;
• Improved cross-platform build system using CMake;
• Added CI workflows for Linux and Windows builds;
• Added ccache support to accelerate builds;
• Updated documentation with complete English translation;
• Updated project website and documentation deployed on the gh-pages branch (Docusaurus updates);

🐛 Bug Fixes​

• Fixed a major bug in Jacobian matrix construction;
• Fixed several issues in dynamic control systems;
• Fixed ChartDirector linking issues on Linux builds;
• Fixed program crash when adding elements via menu;
• Fixed reactive power wrong distribution in limited generators;
• Various minor UI and stability fixes.

• 🔥 Added the support for Chart Director;
• ✔️ Fixed the necessity to run PSP-UFU in admin mode to change language;
• 🐛 Minor bugfixes.

• 🔥 Removed the OpenGL dependency and related errors;
• 🔥 Added undo and redo feature (finally!);
• ✔️ Voltage map upgraded due to OpenGL dependency removal;
• ✔️ New feature to add a new text element via context menu;
• ✔️ Selection and move elements improved;
• ✔️ Code documentation updated (check here);
• 🐛 Fixed a massive memory leak when using Synchronous Generator controls;
• 🐛 Fixed simulation problems related to disconnected buses;
• 🐛 Minor bugfixes.

• 🔥 Added harmonic voltages and currents calculation;
• ✔️ Added harmonic results in data form;
• 🐛 Fix program close suddenly on delete bus;
• 🐛 Fix problems related to disconnected buses;
• 🐛 Minor bugfixes.

• 🔥 PSP-UFU online user guide finally written (only in Brazilian Portuguese, if you want to help me translate this guide, contact-me on GitHub or Twitter);
• ✔️ New fancy PSP-UFU website and changelog using docusaurus;
• ✔️ Text element performance improved for OpenGL render;
• 🐛 Several major and minor bug fixes.

• 🔥 Voltage heatmap implemented (OpenGL enabled);
• 🐛 Several major and minor bugfixes.

• ✔️ Device context render implemented (to avoid use OpenGL - some machines can't use it properly);
• ✔️ Added Visual Studio solution to the GitHub project;
• 🐛 Several major and minor bugfixes.

• ✔️ Minor changes to 32bit MSW version for compatibility;
• ✔️ Travis CI (Continuous Integration) implemented (Linux).

• 🔥 Harmonic study implemented;
• 🔥 Autolayout from importation implemented;
• 🔥 Importation of Matpower files;
• 🐛 Several minor bugfixes.