Impact Score: 5/10
Prisma 5.1.1 — Release Notes & Engineering Impact
Source available — automated, not human-reviewed
Component: prisma · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Prisma 5.1.1. Source highlight: Today, we are issuing the `5.1.1` patch release.
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
🔧 Bug Fixes & Patches (3)
- Browser bundle: Unhandled Runtime Error when upgrading to 5.1.0 from 5.0.0
- Prisma Client: `disconnect: true` does not appear to delete the foreign key in the returned data
- Prisma Client errors with "TypeError: Cannot create proxy with a non-object as target or handler" when using result client extension with no `needs` and `count` method
📄 View Raw Release Notes (Original Developer Log)
Today, we are issuing the `5.1.1` patch release.
## Fixes in Prisma Client
- [Browser bundle: Unhandled Runtime Error when upgrading to 5.1.0 from 5.0.0 ](https://github.com/prisma/prisma/issues/20480)
- [Prisma Client: `disconnect: true` does not appear to delete the foreign key in the returned data](https://github.com/prisma/prisma/issues/20491)
- [Prisma Client errors with "TypeError: Cannot create proxy with a non-object as target or handler" when using result client extension with no `needs` and `count` method](https://github.com/prisma/prisma/issues/20499)