- Introduces preview feature `strictUndefinedChecks` that throws runtime errors for explicit undefined values, with `Prisma.skip` to retain old behavior; recommended alongside TS `exactOptionalPropertyTypes`.
- Adds `Prisma.skip` symbol to opt‑out of strict checks while the preview feature is active.
- Fixes several typedSql‑related bugs: correct TypeScript generation for enums with hyphens, restores missing ts‑toolbelt dependency, resolves comment loss with `$extends`, and addresses engine size publishing workflow issues.
5.20.0
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Introduce a new @prisma package namespace where each app uses a single @prisma/orm facade (postgres, sqlite, or mongo), retiring @prisma/next and making all other packages publish under @prisma scope.
Patch updates a transitive dependency of Prisma CLI (via @prisma/dev) to resolve a security advisory (issue #29780).