language server improvements
in addition to the pylance exclusive features, basedpyright also contains some additional improvements to the language server that aren't available in pyright or pylance.
autocomplete improvements
autocomplete suggestions for method overrides will automatically add the @override decorator:
improved diagnostic severity system
in pyright, certain diagnostics such as unreachable and unused code are always reported as a hint and cannot be disabled even when the associated diagnostic rule is disabled (and in the case of unreachable code, there is no diagnostic rule at all).
basedpyright introduces a new "hint" diagnostic category which can be applied to any diagnostic rule, and can be disabled just like all other diagnostic rules. diagnostics that are reported as a "hint" can have diagnostic tags (unused or deprecated) that change how they're displayed if supported by your IDE, if such a tag is relevant for that rule:
[tool.basedpyright]
reportUnreachable = 'hint'
reportUnusedParameter = 'hint'
reportUnusedCallResult = 'hint'
reportDeprecated = 'hint'
here's how they look in vscode:
