Improvements

• The 'Open with' context menu now distinguishes between Solver and Solver Enterprise, and also supports Writer;
• Added tooltips to the Bold, Italic, and Underline toolbar buttons;
• Added the ability to install a plugin from a file using the appropriate button in the Plugins view of the Extensions Manager;
• Added the following math functions: ceil() and floor(). Corrections
• Restored functionality of the Bold, Italic and Underline toolbar buttons;
• Restored the click functionality for the 'Company Name' item in the main menu;
• Restored tooltips on the status bar;
• Fixed the unresolved 'ProductName' property in the MSI package;
• Fixed data copying from MathRegion to preserve the current input state (fixes index input in Cloud version of SMath Studio);
• Fixed an issue where creating a region from the Custom Region plugin returned null: a missing region is now created instead of throwing an unhandled exception;
• Updated the tag list for the SMathStudio.Core.Refs and SMathStudio.Plugins.Refs NuGet packages;
• Fixed an exception that occurred during Picture Region serialization due to an incorrect image format;
• Fixed bitmap image loading by detaching the image from the input memory stream. Miscellaneous
• The main SMath Studio executables are now equipped with standard File Description and Product Name properties;
• The 'Page Setup' menu item is now disabled when no worksheets are open;
• Removed the unused link button from the Extensions Manager;
• Reworked the plugin installation code to avoid deleting files and folders during plugin installation;
• Added a new optional command-line parameter -l (-launch) supporting the PluginLoad=Sequential option (allows loading plugins sequentially) and SkipThirdParty (allows loading only standard plugins);
• License dismissal is now synchronous to ensure it executes correctly during application shutdown;
• Removed the Translator URL from the Extensions Manager;
• Corrected the Russian translation;
• Corrected the tag list for the SMathStudio.Drawing NuGet package.