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Speed up Application/Configurable instance startup
- #956
#956
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Carreau
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Speed up Application/Configurable instance startup
#956
Carreau
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ipython/traitlets:main
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claude/traitlets-startup-performance-aykeja
ipython/traitlets:claude/traitlets-startup-performance-aykeja
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Commits on Aug 4, 2026
Reuse the class-namespace walk across the two metaclasses
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Cache metadata-filtered class_traits()/traits() results per class
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Skip redundant re-validation of constructor kwargs
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Skip config loading for Configurables with no matching config
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