NASJI CAD: browser-based 2D drafting on a Mac — looking for file-compatibility feedback

Disclosure: I’m part of the NASJI CAD team. We’re working on a 2D CAD tool that runs in the browser, including on macOS, and I’d appreciate practical feedback from people who work with drawings. The manual drafting tools are free. Optional AI features use paid credits. This is not a claim of complete feature parity with AutoCAD. For a small test, we opened a sample DWG, toggled its hole layer, and checked a 200 × 120 drawing with dimensions. The harder question is how it behaves with othe