# OpenFGA v1.19.0

> Security · 2026-08-25

A maintenance release with dependency updates, correctness fixes, logging changes, and an internal streaming optimization. Previously persisted malformed models now fail with `ErrInvalidModel` on a cache miss instead of running degraded.

## Check if affected
- **[breaking]** Malformed `RelationReference` models rejected on cache miss
  - Applicability is not stated in the release notes.
  - Previously persisted malformed `RelationReference` models fail to resolve on a cache miss with `ErrInvalidModel` instead of silently running degraded. This breaking behavior ships in the release.

## Other recorded changes
- 18 (value_changed 10, defect_corrected 6, added 1, removed 1)

[Full analysis](https://ratatosk.io/en/releases/openfga/v1.19.0)

[Original release notes](https://github.com/openfga/openfga/releases/tag/v1.19.0)