2.27.0-beta.0

Maintenance

Refactoring the plugin. Removed unused functions, improved code structure and readability. Removed the obsolete Draw.io/Diagram plugin integration (since the other plugin no longer works and is not maintained) and retired the Create DrawIO file script from the script library.
Migrated the embedded Excalidraw runtime from the retired UMD build path to a dedicated ESM-source-based Obsidian package while preserving offline operation, popout windows, and runtime Mermaid loading through Excalidraw Extras. The Assistant UI font is now bundled instead of fetched from the internet, and the plugin-private React runtime is generated from the official npm package entrypoints instead of legacy UMD files.
Updated the plugin-private React and ReactDOM runtime to React 19.

The Excalidraw color palette now uses its natural height when space is available instead of being unnecessarily limited to a short, vertically scrolling panel. Its native color control also remains aligned with the hex input.
The text-to-diagram chat history menu is visible again, allowing saved chats to be restored and deleted.

fix: guard null match when .excalidraw.md has no Text Elements heading by @verryp in #2872
Refactoring: Remove duplicate functions by @zsviczian in #2873
Refactor: move supporting logic out of main.ts into dedicated managers by @zsviczian in #2874
Refactor: ExcalidrawView by @zsviczian in #2875
Refactoring: main.js size reduction by @zsviczian in #2876
Migrate to esm build by @zsviczian in #2877

Full Changelog: 2.26.4...2.27.0-beta.0