From the README on GitHub:

• Small in size and complexity (just a bit more than Lua though)
• Statically typed
• Unambiguous
• No nonsense coercion
• Fibers
• JIT compilation with MIR
• Tooling
  • Generate doc from docblocks (in progress)
  • VS Code extension
    • Syntax highlighting
    • LSP (in progress)
    • Debugger and DAP (planned)

The compiler is written in Zig.

v4.0 Release Notes