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This list makes you aware of (breaking) changes. For patch notes, please check the releases tab.

0.9.0

This version adds performance metrics to /health and sends anonymous usage statistics to our servers, click here for more details on this feature and how to disable it.

0.8.0

This PR improves some performance bottlenecks, offers more control over Hydra, moves to Go 1.8, and moves the REST documentation to swagger.

Before applying this update, please make a back up of your database. Do not upgrade directly from versions below 0.7.0.

To upgrade the database schemas, please run the following commands in exactly this order

$ hydra help migrate sql
$ hydra help migrate ladon
$ hydra migrate sql mysql://...
$ hydra migrate ladon 0.6.0 mysql://...

Breaking changes

Ladon updated to 0.6.0

Ladon was greatly improved with version 0.6.0, resolving various performance bottlenecks. Please read more on this release here.

Redis and RethinkDB deprecated

Redis and RethinkDB are removed from the repository now and no longer supported, see this issue.

Moved to ory namespace

To reflect the GitHub organization rename, Hydra was moved from https://github.com/ory-am/hydra to https://github.com/ory/hydra.

SDK

The method FindPoliciesForSubject of the policy SDK was removed. Instead, List was added. The HTTP endpoint GET /policies no longer allows to query by subject.

JWK

To generate JWKs previously the payload at POST /keys was { "alg": "...", "id": "some-id" }. id was changed to kid so this is now { "alg": "...", "kid": "some-id" }.

Migrations are no longer automatically applied

SQL Migrations are no longer automatically applied. Instead you need to run hydra migrate sql after upgrading to a Hydra version that includes a breaking schema change.

Changes

Log format: json

Set the log format to json using export LOG_FORMAT=json

SQL Connection Control

You can configure SQL connection limits by appending parameters max_conns, max_idle_conns, or max_conn_lifetime to the DSN: postgres://foo:bar@host:port/database?max_conns=12.

REST API Docs are now generated from source code

... and are swagger 2.0 spec.

Documentation on scopes

Documentation on scopes (e.g. offline) was added.

New response writer library

Hydra now uses github.com/ory/herodot for writing REST responses. This increases compatibility with other libraries and resolves a few other issues.

Graceful http handling

Hydra is now capable of gracefully handling SIGINT.

Best practice HTTP server config

Hydra now implements best practices for running HTTP servers that are exposed to the public internet.