GitHub
09/17/2026, 12:37 AM--force-exclude for directories with an excluded ancestor (#28451)
• Preserve metaclass candidates after conflicts (#28461)
LSP server
• Give existing autofixes descriptive titles (#28456)
• Prevent LSP hangs during inlay hint bursts (#28390)
Diagnostic improvements
• Preserve redundant-condition diagnostics with unreachable operands (#28374)
Core type checking
• Check captured receivers when calling wrapped classmethods (#28467)
• Fix cached classmethods on generic classes (#28207)
• Fix disjointness of type guards and boolean literals (#28363)
• Infer tuple variance from the full tuple spec (#28446)
• Infer tuple variance more precisely (#28426)
• Preserve callable identity across specialized types (#28409)
• Preserve callback type context through ParamSpec forwarding (#28439)
• Preserve wrapped functions in precise functools.partial relations (#28460)
• Respect descriptor protocol for __set__ itself (#28408)
• Respect type-variable bounds in argument context (#28448)
• Unwrap union alternatives in overload implementations (#28468)
Performance
• Distribute len inference over unions (#28470)
• Fast-path concrete literal intersections (#28348)
Memory usage improvements
• Avoid excess capacity in multi-binding tables (#28412)
• Share equivalent place tables within a file (#28319)
• Share names in synthesized constructor parameters (#28398)
Contributors
• @sharkdp
• @charliermarsh
• @ibraheemdev
• @AlexWaygood
• @MichaReiser
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meltano/sdkGitHub
09/17/2026, 6:05 AM