# Prisma v0.17.0 — Release & Upgrade Intelligence
- **Product:** Prisma (https://prisma.io)
- **Version:** v0.17.0
- **Released:** Aug 04, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/prisma/updates/v0.17.0/

## Executive Summary (TL;DR)
Prisma v0.17.0. Source highlight: This is the namespace release: Prisma Next now publishes as 17 packages under the `@prisma` scope, and an application depends on exactly one database facade. It also completes the structured error-code scheme across every plane, makes relation-loading lossless for big numbers and temporal values, an

## Breaking Changes & Deprecations
- Breaking changes - **One `@prisma` package per application** — the `@prisma-next/*` scope is retired; nothing publishes under it again. An application depends on exactly one database facade — `@prisma/orm-postgres`, `@prisma/orm-sqlite`, or `@prisma/orm-mongo` — plus any extension packs it uses (now named `@prisma/orm-extension-*`); everything else arrives as the facade's exact-pinned dependencies. Regenerating your contract rewrites generated imports to facade entrypoints with no `contractHash` change. See the [0.16-to-0.17 upgrade recipe](https://github.com/prisma/prisma/blob/v0.17.0/skills/

## New Features
- Expression, partial, and unique indexes are authorable in both PSL and the TypeScript builder. (#1048)
- `contract infer` reaches full fidelity — indexes, policy blocks, and `@@rls` are captured — and signs the database, so introspect-then-verify works end to end on an adopted database. It also infers 1:1 relations from unique indexes. (#29808, #1038)
- Every error code is documented on an in-repo reference page (221 codes), kept complete by a CI check, and error envelopes carry a `docsUrl` pointing at their per-code anchor. (#1027, #29806)

## Bug Fixes
- MongoDB write results decode through their type codecs instead of returning raw wire values. (#29879)
- The Postgres runtime driver serializes queries per pinned client, fixing interleaved-query failures on a shared connection. (#29839)
- Mixed-case native-enum casts are quoted, so PascalCase enum type names survive Postgres case-folding. (#1034)
- Driver cursor streaming runs inside an explicit transaction, fixing dropped-portal failures under load. (#1017)
- Published type declarations name only dependencies a consumer will actually have installed. (#29862)

## Upgrade Command
```bash
npm install --save-dev --save-exact prisma@0.17.0
```