Hi @Jxlle , thanks for these questions!
Yes, this is the recommended extension for Python. We built this by forking BasedPyright and changing a few of the settings to more closely algin with the Pylance defaults. Under the hood, it uses the same Pyright type checker and open-source Python debugger.
As some users have reported issues with the older Pylance extension, we are offering this one instead as an officially supported alternative. Since all of the internals are the same, we intend that it can be a drop in replacement.
While we do run our own extension marketplace, it is accessible only within Cursor (there is no website for it). We do not publish our extensions on Open-VSX or the Microsoft VSCode Marketplace.
Best,
Ravi