Kinto

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**New features**

- Show warning when ``http_scheme`` is not set to ``https`` (706, thanks Prashant-Surya)

**Bug fixes**

- Fix sorting/filtering history entries by ``date`` field
- On subobject filtering, return a 400 error response only if first level field
is unknown (on resources with strict schema)

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**New features**

- Permissions endpoint (``GET /permissions``) can now be filtered, sorted and paginated.

**Bug fixes**

- Return 400 error response when history is filtered with unknown field
- Fix crash on permissions endpoint when history is enabled (774)
- Fix crash on history when interacting via the bucket plural endpoint (``/buckets``) (fixes 773)

**Internal changes**

- Fix documentation of errors codes (fixes 766)
- ``kinto.id_generator`` was removed from documentation since it does not
behave as expected (fixes 757, thanks doplumi)
folder and a ``kinto.core.testing`` module was introduced for tests helpers
(fixes 605)
- In documentation, link the notion of principals to the permissions page instead
of glossary
- Add details about ``PATCH`` behaviour (fixes 566)

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**Breaking changes**

- ``kinto --version`` was renamed ``kinto version``
- ``ResourceChanged`` and ``AfterResourceChanged`` events now return
``old`` and ``new`` records for the ``delete`` action. (751)
- Redis backends are not part of the core anymore. (712).
Use ``kinto_redis.cache`` instead of ``kinto.core.cache.redis``
Use ``kinto_redis.storage`` instead of ``kinto.core.storage.redis``
Use ``kinto_redis.permission`` instead of ``kinto.core.permission.redis``
- Redis listener is not part of the core anymore. (712)
Use ``kinto.event_listeners.redis.use = kinto_redis.listeners`` instead of
``kinto.event_listeners.redis.use = kinto.core.listeners.redis``
- Notion of unique fields was dropped from ``kinto.core`` resources.

**Protocol**

- Added a ``/__version__`` endpoint with the version that has been deployed. (747)
- Allow sub-object filtering on plural endpoints (e.g ``?person.name=Eliot``) (345)
- Allow sub-object sorting on plural endpoints (e.g ``?_sort=person.name``) (345)

Protocol is now at version **1.9**. See `API changelog`_.

**New features**

- Added a new built-in plugin ``kinto.plugins.history`` that keeps track of every action
that occured within a bucket and serves a stream of changes that can be synced.
See `API documentation <https://kinto.readthedocs.io/en/latest/api/1.x/history.html>`_.
- Added a new ``--dry-run`` option to command-line script ``migrate`` that will simulate
migration operation without executing on the backend (thanks lavish205! 685)
- Added ability to plug custom StatsD backend implementations via a new ``kinto.statsd_backend``
setting. Useful for Datadog™ integration for example (fixes 626).
- Added a ``delete-collection`` action to the ``kinto`` command. (727)
- Added verbosity options to the ``kinto`` command. (745)
- Added a built-in plugin that allows to define quotas per bucket or collection. (752)

**Bug fixes**

- Fix bug where the resource events of a request targetting two groups/collection
from different buckets would be grouped together.
- Fix crash when an invalid UTF-8 character is provided in URL
- Fix crash when provided ``last_modified`` field is not divisible (e.g. string)

**Internal changes**

- Huge rework of documentation after the merge of *Cliquet* into kinto.core (731)
- Improve the documentation about generating docs (fixes 615)
- Switch from cliquet-pusher to kinto-pusher in Dockerfile and tutorial.
- List posssible response status on every endpoint documentation (736)
- Remove duplicated and confusing docs about generic resources
- Replace the term ``protocol`` by ``API`` in documentation (fixes 664)
- Add load tests presets (exhaustive, read, write) in addition to the existing random. Switched integration test ``make loadtest-check-simulation`` to run the exhaustive one (fixes 258)
- Remove former Cliquet load tests (733)
- Add a flag to to run simulation load tests on ``default`` bucket. Uses ``blog``
bucket by default (733)
- Add command-line documentation (727)
- The ``--backend`` command-line option for ``kinto init`` is not accepted as first
parameter anymore
- Improved parts of the FAQ (744)
- Improve 404 and 403 error handling to make them customizable. (748)
- ``kinto.core`` resources are now schemaless by default (fixes 719)

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- Fix heartbeat transaction locks with PostgreSQL backends (fixes 804)

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**Bug fixes**

- Fix Redis get_accessible_object implementation (725)
- Fix bug where the resource events of a request targetting two groups/collection
from different buckets would be grouped together.

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**Protocol**

- Add the ``permissions_endpoint`` capability when the ``kinto.experimental_permissions_endpoint`` is set. (722)