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fix: prevent unparser stack overflow on deeply nested expressions - #23058

Merged

adriangb merged 3 commits into

apache:mainfrom

pydantic:fix-unparser-recursion

Jun 22, 2026

Merged

fix: prevent unparser stack overflow on deeply nested expressions#23058
adriangb merged 3 commits into
apache:mainfrom
pydantic:fix-unparser-recursion

Commits on Jun 22, 2026
- test: add failing regression test for unparser deep-nesting overflow
  
  adriangb
  and
  claude
  committed
  6e4dc39
- fix: install StackGuard and route unparser recursion through annotated core
  
  adriangb
  and
  claude
  committed
  89a6c8e
- test: also exercise pretty-print path in deep-nesting regression test
  
  adriangb
  and
  claude
  committed
  be87fa5