Support Matrix
Runtime
Runtime
Versions
Status
Bun
1.3.x
Supported (CI-tested)
Bun
1.4.x
Planned
Node.js
22.x
Lambda only (via createLambdaHandler)
Database
Database
Versions
Status
PostgreSQL
14+
Supported (primary)
SQLite
3.x
Supported (via Bun native)
MySQL
8.x
Supported (via createMySqlDatabase)
Aurora Serverless v2 (Data API)
PostgreSQL 14+
Supported (via createAwsDataApiDatabase)
Libraries
Library
Versions
Status
Zod
4.x (zod 4 API)
Supported. Schemas written with the zod v3 API (zod@3 or the zod/v3 subpath) are refused with a warning by codegen, OpenAPI generation, and guren context — see Validation
Optional Services
Service
Versions
Required
Purpose
Redis
7.x
No
Queue, cache, session, broadcasting, rate limiting
Rendering Modes
Mode
Status
SSR
Supported (default for blog example)
SPA
Supported
CI Coverage
Every PR: Bun 1.3.x, no external DB (mocked), Redis service
Nightly: same as PR, plus full runtime smoke tests against a real database, security audits, and an end-to-end scaffold-to-build check
Release: Full validation before publish
