# bug: Unable to infer `Prisma.JsonValue` properly, TypeScript says Type instantiation is excessively deep and possibly infinite
feat: Bind return type of a procedure to the input type of the `output` schema
✅ accepted-PRs-welcome
`inferProcedureInput` broken in published package
🐛 bug🧙🏻 typescript wizardry
docs: include an inference helper in documentation
📚 documentation / examples
bug: TRPC's inferred mutation input type is incorrect when used with zod4's preprocess
👻 invalid🐛 bug: unconfirmed⏳ close if no activity
Respond with 400 if sending input to NoInput procedures
👉 good first issue@trpc/server