# What changed in db0

> 12 changes in db0 0.4 from its official release notes, upgrade guides and advisories: 3 breaking, 7 new APIs and options. Each one cited. Sources checked 2026-10-24. HTML: https://unstale.sh/npm/db0/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## db0 0.4

### Breaking changes

- Connectors now require the library to be passed explicitly. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- The Drizzle integration upgrades to drizzle-orm v1, which may require developers to update their dependency. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Drizzle remaps object rows to TypeScript field names across all dialects. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)

### New APIs and options

- Adds database capabilities. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Connector names are exposed, allowing developers to access the name of a connector. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Adds a Kysely integration. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Adds Neon support for serverless PostgreSQL. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Adds a Prisma adapter. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- The Drizzle integration supports a schema parameter. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)
- Adds support for tracing channels. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)

### Behavior and default changes

- The Drizzle integration is updated to work with PostgreSQL and MySQL connectors. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)

### Fixes and other changes

- PostgreSQL rewrites question-mark placeholders only outside string literals and comments. (0.4.0) — [release notes](https://github.com/unjs/db0/releases/tag/v0.4.0)