The ObsidianTweaks plugin introduces a variety of enhancements to the Obsidian experience, particularly in formatting and hotkey customization. It allows users to enable or disable specific features like better toggles for bold, italics, and other markdown elements, improving consistency in formatting. Users can also assign hotkeys for commands such as moving selections, toggling headings, and duplicating files. The plugin offers smoother, more predictable behavior for text formatting and provides a more efficient workflow by customizing default hotkeys and improving the toggling of text styles. With no features enabled by default, it gives users control over which enhancements to activate, making it a highly customizable tool.